EP3795933B1 - A cooling device comprising a vacuum device - Google Patents
A cooling device comprising a vacuum device Download PDFInfo
- Publication number
- EP3795933B1 EP3795933B1 EP20196240.4A EP20196240A EP3795933B1 EP 3795933 B1 EP3795933 B1 EP 3795933B1 EP 20196240 A EP20196240 A EP 20196240A EP 3795933 B1 EP3795933 B1 EP 3795933B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compartment
- vacuum
- lid
- cooling device
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims description 67
- 238000000034 method Methods 0.000 claims description 48
- 238000009413 insulation Methods 0.000 claims description 32
- 235000013305 food Nutrition 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000003570 air Substances 0.000 description 33
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000009461 vacuum packaging Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
Definitions
- the present invention relates to cooling devices comprising a vacuum device for vacuuming containers closed with a lid, such as bottles or jars.
- One of the applications enabling foods to be stored for a long time without spoiling is to store a food placed in a container, which has a lid closed or opened preferably by turning, in a vacuum environment by evacuating air in the container.
- a container which has a lid closed or opened preferably by turning, in a vacuum environment by evacuating air in the container.
- this application one can easily access food when needed, and the food can be stored in a healthy way for a long time as contact of food with air is prevented. For that reason, this application storing the food in a vacuum environment is commonly preferred by users.
- US2009229222A1 an appliance system including a module removably mounted to an appliance, one or more removable gas canisters operably connected to the module, and a food retaining enclosed space operably connected to the module is disclosed.
- the gas canisters supply a modified atmosphere in the food retaining enclosed space to produce a modified atmosphere that enhances preservation of the food contained in the food retaining enclosed space.
- this system which corresponds to the preamble of claim 1, is difficult to use and does not provide vacuuming of an ordinary container.
- Another example of a vacuuming device is disclosed in GB2061891A .
- a container to be vacuum sealed is provided with one or more small air passages through which air may be withdrawn from the container, a flexible sealing material being provided adjacent each such passage to permit air to be withdrawn from the container when it is placed in an evacuated chamber but which seals these passages when the air pressure in the evacuated chamber is rapidly returned to the ambient air pressure.
- this device is not configured to be used within a cooling device.
- a refrigerator including a vacuum packing device is disclosed.
- the refrigerator includes a body and a vacuum packing device provided in the body and configured to suction air in a vinyl pack having a check valve, wherein the vacuum packing device includes a vacuum pump provided to suction the air, a switch module provided to control an operation of the vacuum pump, a suction head including a first path directly connected to the check valve and configured to suction the air, and a chamber including a first opening connected to the first path and provided to collect a foreign substance suctioned through the suction head.
- a preservation housing for perishable products with a vacuum installation which is subordinate to the cooling circuit, with a differential vacuum regulator and with a device for introduction of the vacuum into containers situated outside the housing.
- a cooling device comprises at least one storage compartment in which products to be stored at a certain temperature are placed; at least one door controlling access into said storage compartment; and at least one vacuum device for vacuuming containers with a first lid, which comprises:
- the cooling device according to the invention has further features which are defined in claim 1.
- containers such as bottles or jars, which are either customized for vacuuming or standard, can be vacuumed easily, practically and effectively without need for a device that occupies extra space.
- An object of the present invention is to provide a cooling device having a vacuum device for vacuuming containers such as bottles or jars.
- Another object of the present invention is to provide a cooling device having a vacuum device for vacuuming containers having a lid closed or opened by turning.
- a further object of the present invention is to provide a cooling device having a vacuum device in which vacuuming process is performed without requiring a specific container and/or lid.
- Yet another object of the present invention is to provide a reliable cooling device, which is easy to use and practical especially for vacuuming.
- Various applications are provided for long-term storage of food products without spoiling, wherein one of these applications is to place a food in a container, vacuum the container and store the food in a vacuum environment.
- air inside the container in which food is placed should be evacuated with a vacuum device.
- Various vacuum devices are provided in the known art for such a process. However, these devices occupy extra space since they are external devices, as well as creating extra costs for users. In order to avoid this, household appliances with vacuum devices have been proposed.
- such applications covered by the known art requires usage of containers with a specific lid for vacuuming, which prevents user from performing vacuuming process easily whenever she/he needs it and also creates an extra cost for the user.
- a cooling device comprising a vacuum device is provided according to the present invention for solving said problems.
- the cooling device e.g. a refrigerator
- the cooling device comprises at least one storage compartment (e.g. a cooling compartment and/or freezing compartment) in which products to be stored at a certain temperature are placed; at least one door (D) controlling access into said storage compartment; and at least one vacuum device (V) for vacuuming containers with a first lid (K2) closed or opened preferably by turning, such as bottles or jars (K).
- the vacuum device (V) comprises at least one main body (1) in which vacuuming process is performed, which is preferably in the form of a box open on opposite sides (one of these open sides forming the first opening), and comprises:
- the container e.g. an ordinary jar (K)
- the first lid (K2) is aligned with first opening of the vacuum device (V) provided in the cooling device (the vacuum device (V) may be provided at any part of the cooling device), as illustrated in Figure 8 .
- the container is then moved towards the first compartment (1a) such that the first lid (K2) passes through the first opening and enters into the first compartment (1a), as shown in Figure 9 .
- the insulation element (4) fits into the first lid (K2) or at least a part of the body (K1) so as to surround them (i.e.
- the insulation element (4) can fit into the body (K1), and if a surface area of the first lid (K2) is close to or equal to a surface area of the cross-section of the body (K1), the insulation element (4) can fit into the first lid (K2)). Therefore, the first opening is closed by body of the container, thus preventing air intake into the first compartment (1a) from outer environment.
- vacuum pump (5) is activated by trigger mechanism (3) and air inside the first compartment (1a) is evacuated, as illustrated in Figure 10 . While air inside the first compartment (1a) is evacuated, it is also ensured that air inside the container is evacuated through gaps between the body (K1) and the first lid (K2), which is not tightly sealed to the body (K1). When pressure value reaches a predetermined value, operation of vacuum pump (5) is stopped, and the closed valve (7) is opened to fill the first compartment (1a) with air instantly.
- cooling device need for using an external device that occupies extra space for vacuuming process can be minimized, and food can be stored under vacuum, for example in a standard jar (K), without requiring containers with specific lids to store the food under vacuum.
- the trigger mechanism (3) may be at least one sensor (e.g. a proximity sensor, a light sensor, a laser distance sensor, an ultrasonic sensor etc.) detecting placement of first lid (K2) into the first compartment (1a) (i.e. detecting connection of container to the first compartment (1a)) and enabling the vacuum pump (5) to be activated based on this detection. Therefore, the vacuuming process can be initiated automatically when the container is placed in the vacuum device (V)).
- a proximity sensor e.g. a proximity sensor, a light sensor, a laser distance sensor, an ultrasonic sensor etc.
- the trigger mechanism (3) comprises at least one trigger switch (8) (e.g. a paddle switch) in connection with the vacuum pump (5); and at least one trigger member (3b) having a first position in which the trigger member (3b) contacts the trigger switch (8) to activate it and a second position in which the trigger member (3b) does not contact the trigger switch (8).
- the trigger member (3b) is preferably connected with the main body (1) such that at least a part thereof can be moved towards or away from the trigger switch (8) by the user (this movement is preferably a rotational movement around an axis) and that the trigger member (3b) is brought into the first position or the second position by means of this movement.
- the trigger mechanism (3) also preferably comprises at least one carrying member (3a), preferably having a "U" form, which is connected to the main body (1) (preferably provided at an upper part of the main body (1)), comprises at least a first movement opening, wherein the trigger switch (8) is located on the carrying member (3a) preferably between the main body (1) and the carrying member (3a), and the trigger member (3b) is connected to the carrying member (3a) to move in the first movement opening and close the first movement opening.
- an opening is provided at one side of the second compartment (1b) (preferably at a side thereof opposite to the adjacent side with the first compartment (1a)), wherein the carrying member (3a) and the trigger member (3b) together function as a cover that covers said opening.
- Trigger mechanism (3) also preferably comprises at least one luminaire (3d) located on the carrying member (3a) to cover open portion of the channel.
- the trigger mechanism (3) also preferably comprises at least a second lid (3c) preferably having a "U" form, located to surround the carrying member (3a) and the luminaire (3d), comprising at least a second movement opening, wherein the trigger member (3b) is connected to the carrying member (3a) to move in the second movement opening and cover the second movement opening.
- lighting element (3f) and luminaire (3d) are protected from external factors, while elements such as screws that provide the assembly can be prevented from being visible from outside, and visual integrity with the main body (1) can be provided.
- the trigger mechanism (3) also preferably comprises at least two mounting holes (3e) corresponding to each other, wherein at least one of them is located in the carrying member (3a) and at least one in the trigger member (3b) for connecting the trigger member (3b) movably to the carrying member (3a); and at least one shaft (10) for connecting the trigger member (3b) to the carrying member (3a) by passing through the mounting holes (3e). Therefore, trigger member (3b) can rotate in the axis of the shaft (10) and can be brought into the first position or second position.
- the vacuum device (V) further comprises at least one holding member (1g) located to at least partially surround the first opening, having the form of a protrusion extending from the main body (1), supporting the insulation element (4) from its outer side so that the insulation element (4) is located between the holding member (1g) and the main body (1), and thus, supporting the insulation element (4) which can flex while the container is connected to the first compartment (1a).
- the vacuum device (V) also comprises at least one placement body (2) in connection with a side of the main body (1) where the first opening is provided, supporting the container for connecting the container to the first compartment (1a) properly, and having at least one placement aperture (2a) through which the first lid (K2) passes to align with the first opening and at least a second opening (2c) matching with the first opening and preferably having a circular form.
- Said placement body (2) comprises at least two guiding members (2b) opposite to each other, which extend preferably along the placement aperture (2a) away from the second opening (2c) on two opposite sides of the placement aperture (2a).
- the first lid (K2) when the container is to be attached to the vacuum device (V) for vacuuming process, the first lid (K2) is placed in the placement aperture (2a) and the first lid (K2) is guided by the guiding members (2b) so that container is moved towards the second opening (2c).
- the first lid (K2) matches with second opening (2c)
- the container is moved towards the first compartment (1a) for vacuuming process, and the first lid (K2) is located in the first compartment (1a) by passing through the second opening (2c) and the first opening.
- placement body (2) also comprises at least one connection surface (2e) extending from the placement body (2) towards the cooling device (or the door (D)) for connection of the vacuum device (V) to the cooling device (preferably to the door (D) of the cooling device).
- the vacuum device (V) further comprises at least one connection apparatus (11) which is fitted on the connection surface (2e) and connected from one side to the cooling device (preferably to an inner surface (D1) of the door (D) facing the storage compartment of the cooling device when in the closed position) and from another side to the main body (1). Therefore, the vacuum device (V) can be attached to the cooling device in a removable manner.
- the vacuum device (V) further comprises at least one holding member (1g) located in the main body (1) to at least partially surround the first opening and to extend towards the placement body (2), placed in the second opening (2c) for connection of the placement body (2) to the main body (1), supporting the insulation element (4) from its outer side so that the insulation element (4) is settled between the holding member (1g) and the placement surface (2d).
- the vacuum device (V) preferably comprises a plurality of placement bodies (2) each having a second opening (2c) of different widths for enabling usage of containers with different sizes; and a plurality of insulation elements (4) each having a width that matches with a width of the second opening (2c).
- the placement body (2) preferably comprises at least one fixed part (2f) which is fixed to the main body (1); and at least one movable part (2h) which is movable with respect to the main body (1) so as to move towards or away from the fixed part (2f), forms the placement body (2) when it is engaged with the fixed part (2f), and on which the placement aperture (2a) is provided.
- the insulation element (4) is preferably located on the placement body (2) and consists of at least two parts, one part on the fixed part (2f) and the other part on the movable part (2h).
- the placement body (2) preferably comprises at least one supporting member (2k) which is in the form of a protrusion extending from the movable part (2h) towards the main body (1) and is located at the movable part (2h), wherein at least one part of the supporting member (2k) supports the insulation element (4) from its outer side, and at least another side thereof is fitted in at least one slot provided at the main body (1).
- movable part (2h) is preferably moved by the user so as to move away from the fixed part (2f), and the container to be vacuumed is moved through the gap between the fixed part (2f) and the movable part (2h) towards the main body (1) for vacuuming process such that the first lid (K2) and preferably at least one part of its the body (K1) (especially the part close to the first lid (K2)) is placed in the first compartment (1a).
- the movable part (2h) is moved towards the container, which is connected with the first compartment (1a) (and therefore towards the fixed part (2f)), preferably by the user, and the fixed part (2f) and the movable part (2h) are enabled to be positioned such that they hermetically surround the first lid (K2) and/or at least one part of the body (K1) of the container.
- the vacuum device (V) further comprises at least one rail on which the movable part (2h) moves and which is located in the main body (1) for said movement of the movable part (2h).
- the vacuum device (V) preferably comprises at least one spring mechanism which applies a force towards the movable part (2h) and the fixed part (2f) when in a released state in which no force is applied on the spring assembly, and which is connected from one side to the movable part (2h), and from another side to the main body (1) or the fixed part (2f).
- the vacuum device (V) may comprise at least one electromagnet and/or at least one motor and/or at least one piston for the movement of the movable part (2h).
- the container can be securely compressed between the fixed part (2f) and the movable part (2h).
- the vacuum device (V) comprises at least two connection holes (1d) located on the partition wall (1c); and at least two connection members (1h) in the form of a pipe, wherein at least one of the connection members (1h) is connected to at least one connection hole (1d) from one side thereof and to the vacuum pump (5) from another side thereof, and at least another one of the connection members (1h) is connected to at least another connection hole (1d) from one side thereof and to the valve (7) from another side thereof. Therefore, connection of vacuum pump (5) and valve (7) to the first compartment (1a) can be provided in a leak-proof manner.
- the vacuum device (V) preferably comprises at least one vacuum apparatus (9) which is located at the partition wall (1c) (preferably in a slot provided at the partition wall (1c)) such that it is on the side of the first compartment (1a) (preferably located at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a) [e.g. the area where the connection holes (1d) are provided]), and enables vacuuming of the containers (e.g. bottles) with a specific first lid (K2) for the vacuuming process, as well.
- the vacuum apparatus (9) is placed at the first lid (K2) which is specific to the vacuuming process (for example, containing a vacuuming valve), and provides the vacuuming process to be carried out in this way.
- the cooling device preferably comprises at least one connection apparatus (11) which is mounted from one side thereof to a surface of the cooling device, preferably to an inner surface (D1) of the door (D) facing the storage compartment in its closed position, and enables the vacuum device (V) to be positioned at the cooling device when the vacuum device (V) is mounted to the connection apparatus (11).
- the connection apparatus (11) preferably comprises at least a first protrusion (11a), wherein at least a first recess (11b) is formed at an area adjacent to the first protrusion (11a).
- the vacuum device (V) in turn, comprises at least a second protrusion (1e) which is located at the main body (1) and inserted into the first recess (11b); and at least a second recess (1f) formed at an area adjacent to the second protrusion (1e), wherein the first protrusion (11a) is inserted into the second recess (1f).
- the vacuum device (V) can be fixed securely to the cooling device by enabling that the vacuum device (V) fits into the connection apparatus (11).
- the vacuum device (V) preferably comprises at least one pressure switch (6) located at the second compartment (1b), in connection with the first compartment (1a), detecting that a predetermined vacuum value is reached during vacuuming process, and thus, enabling the vacuum pump (5) to be stopped and the valve (7) to be opened.
- the vacuum device (V) preferably comprises at least one connection hole (1d) located at the separation wall (1c) for connection of the pressure switch (6) to the first compartment (1a); and at least one connection member (1h) in the form of a pipe, which is connected from one side to the connection hole (1d), and from another side to the pressure switch (6).
- stopping the vacuum pump (5) and opening the valve (7) can be performed by sending a signal to the vacuum pump (5) and the valve (7) by the pressure switch (6) when it reads the predetermined vacuum value, or it can be performed by means of at least one control unit.
- Said control unit may be integrated with the pressure switch or it may be an external unit (e.g. a control unit of the cooling device) in connection with the pressure switch (6).
- the vacuum device (V) preferably comprises at least one sensor detecting an amount of tension/stress occurred in the insulation element (4) in order to detect that the predetermined vacuum value is reached during vacuuming process.
- Said sensor is in connection with at least one control unit, and a value measured by the sensor is compared to a tension/stress value stored in the control unit and corresponding to the predetermined vacuum value; and when the value stored in the control unit is reached, stopping the vacuum pump (5) and opening the valve can preferably be performed by the control unit.
- comparison may be performed by the sensor, and the sensor can send a signal to the vacuum pump (5) and the valve (7) in order for the vacuum pump (5) to stop and the valve (7) to open when it is detected that the vacuum value reaches the predetermined value.
- the vacuum device (V) is preferably located on an inner surface (D1) of the door (D) facing the storage compartment when the door (D) is in the closed position such that the vacuum device (V) is preferably placed inside a bottle shelf (D2).
- the vacuum device (V) is mounted to the inner surface (D1), then the bottle shelf (D2), which has an opening at an area corresponding to the vacuum device (V), is attached to the inner surface (D1) and the vacuum device (V) is placed in said opening in the bottle shelf (D2).
- the vacuum device (V) can be mounted inclined to said inner surface (D1).
- the part of the vacuum device (V) where the insulation element (4) is located can be inclined.
- the vacuum device (V) preferably comprises at least one closing mechanism which enables the first lid (K2) to be compressed by an external force after completion of the vacuuming process.
- Said closing mechanism rotates by grasping the first lid (K2), and thus, enables the first lid (K2) to be tightly connected to the body (K1) by rotating.
- Rotational movement of the closing mechanism may be controlled by the user manually or it may also be performed automatically when it is detected that the predetermined vacuum value is reached by means of at least one movement element, which can be a motor.
- the vacuum device (V) may also preferably comprise at least one alerting element which alerts the user audibly and/or visually when the vacuuming process is completed.
- the insulation element (4) is preferably a gasket inflatable by at least one fluid (e.g. air).
- a fluid e.g., a gas or air
- the vacuum device (V) can also be used for containers or lids of different shapes.
- Source of the fluid supplied into the gasket can be an external feeding unit or it can also be the air discharged from the vacuum pump (5) during vacuuming process.
- the vacuum device (V) comprises at least one movement mechanism for moving the container whose first lid (K2) matches with the first opening towards the first compartment (1a) and/or for moving the container in connection with the first compartment (1a) away from the first compartment (1a) after completion of the vacuuming process.
- the movement mechanism preferably comprises at least one conveyor system which is located at the main body (1), lifts the container towards the first compartment (1a) and/or lowers the container away from the first compartment (1a).
- the movement mechanism comprises at least one electromagnet which is located in the main body (1) and which, when energised, applies a force on the first lid (1a) made of metal so that the container is pulled towards the first compartment (1a), and preferably applies said pulling force on the container during vacuuming process such that the first lid (K2) or the body (K1) crush the insulation element (4) and thus a reliable vacuum environment is created between the first compartment (1a) and the container, wherein the electromagnet stops applying a force on the first lid (K2) when it is de-energised.
- the cooling device preferably comprises at least one tube preferably located at the cooling device or the vacuum device (V) and containing at least one gas which prevents food from spoiling and comprises at least one substance that does not react or prevents bacterial-fungal growth; and at least one low-flow valve located at the vacuum device (V) and enabling said gas to be transferred into the container from said tube.
- the low-flow valve is opened and the gas in the tube is filled into the first compartment (1a) before opening the valve (7) and sending air into the first compartment (1a) instantly.
- the gas filled into the first compartment (1a) does not create a pressing force on the first lid (K2), and therefore gaps between the first lid (K2) and the body (K1) are not closed.
- the gas filled in the first compartment (1a) can pass into the container through these gaps.
- the low-flow valve is closed and the gas flow from the tube to the first compartment (1a) is cut off. Then, vacuuming process continues normally by opening the valve (7).
- the low-flow valve is opened to fill the container with the gas coming from the tube, and this filling process continues until a pressure of the gas filled into the container is equal to the external environment pressure. Then, the first lid (K2) is compressed by at least one closing mechanism, so that the first lid (K2) can firmly grasp the body (K1).
- the vacuum device (V) may preferably comprise at least one sensor (e.g. a pressure sensor) for detecting an amount of gas filled into the container.
- the tube may be located, for example, in any area of the cooling device, and gas in the tube can be transferred to the container, for example through the first compartment (1a), via various transmission lines such as pipes. Said tube may be a tube externally attached by the user to the cooling device (e.g. door (D) of the cooling device) or vacuum device (V).
- the vacuum device (V) preferably comprises at least one vacuum slot in the form of a recess from the first compartment (1a) towards the second compartment (1b), which is located at the partition wall (1c) at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a). Thanks to the vacuum slot, parts of narrow necked containers, such as bottles, where the first lids (K2) thereof are provided can be placed in the vacuum slot, and the insulation element (4) can also be fitted to the container body (K1), enabling the narrow necked containers to be effectively vacuumed.
- containers such as bottles or jars (K), which are either customized for vacuuming or standard, can be vacuumed easily, practically and effectively without need for a device that occupies extra space.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
- The present invention relates to cooling devices comprising a vacuum device for vacuuming containers closed with a lid, such as bottles or jars.
- Various applications are provided in the known art for long-term storage of food products without spoiling. For example, foods can be stored directly in a cooling device, stored as a canned food or stored by freezing in a freezing compartment. However, each storage application may have various handicaps that do not meet user's expectations. For example, if the food is not desired to be stored for a very long time, storage by freezing will not be effective in this case.
- One of the applications enabling foods to be stored for a long time without spoiling is to store a food placed in a container, which has a lid closed or opened preferably by turning, in a vacuum environment by evacuating air in the container. In this application, one can easily access food when needed, and the food can be stored in a healthy way for a long time as contact of food with air is prevented. For that reason, this application storing the food in a vacuum environment is commonly preferred by users.
- In order to store food in a container in which air is vacuumed, air inside the container should be evacuated after placement of food therein, and inner side of the container should be isolated from outer environment. Various vacuum devices are provided in the known art for such a process. However, these devices occupy extra volume since they are external devices, as well as creating extra costs for users. Vacuum devices can be integrated into various household appliances for solving said problem. An example of such an application is disclosed in the published patent document
US5271240A . The application disclosed in said document provides a refrigerator containing a vacuum device. However, in such applications, vacuum device imposes some usage limitations for the user as it allows the container with a specific lid to be vacuumed. In another published document no.US2009229222A1 an appliance system including a module removably mounted to an appliance, one or more removable gas canisters operably connected to the module, and a food retaining enclosed space operably connected to the module is disclosed. The gas canisters supply a modified atmosphere in the food retaining enclosed space to produce a modified atmosphere that enhances preservation of the food contained in the food retaining enclosed space. However this system, which corresponds to the preamble ofclaim 1, is difficult to use and does not provide vacuuming of an ordinary container. Another example of a vacuuming device is disclosed inGB2061891A US2018164028A1 a refrigerator including a vacuum packing device is disclosed. The refrigerator includes a body and a vacuum packing device provided in the body and configured to suction air in a vinyl pack having a check valve, wherein the vacuum packing device includes a vacuum pump provided to suction the air, a switch module provided to control an operation of the vacuum pump, a suction head including a first path directly connected to the check valve and configured to suction the air, and a chamber including a first opening connected to the first path and provided to collect a foreign substance suctioned through the suction head. Furthermore in document no.EP0474326A2 a preservation housing for perishable products with a vacuum installation which is subordinate to the cooling circuit, with a differential vacuum regulator and with a device for introduction of the vacuum into containers situated outside the housing. Although a cooling device with vacuuming function is disclosed in these documents, none of these documents ensure vacuuming of ordinary containers such as a jar. - A cooling device according to the present invention defined by appended
claim 1 comprises at least one storage compartment in which products to be stored at a certain temperature are placed; at least one door controlling access into said storage compartment; and at least one vacuum device for vacuuming containers with a first lid, which comprises: - at least one main body in which vacuuming process is performed and which comprises:
- at least a first compartment suitable for receiving the first lid of the container to be vacuumed for vacuuming process;
- at least a first opening for connecting the container to the first compartment;
- at least a second compartment adjacent to the first compartment;
- at least one partition wall that hermetically separates the first compartment and the second compartment;
- at least one vacuum pump in connection with the first compartment and located in the second compartment, wherein the vacuum pump enables air inside the first compartment to be vacuumed, a vacuum environment to be created between the container and the first compartment when the container is connected to the first compartment, and in the meantime, air inside the container to be evacuated through gaps between the first lid and the body;
- at least one valve which is closed during vacuuming process so as to prevent air passage into the first compartment, and is opened after completion of the vacuuming process such that the first compartment is filled with air instantly and a pressure difference is created between the first compartment and the inside of the container, a force is applied on the first lid due to such a pressure difference, and the first lid fits tightly into the body by means of said force so that the gap between the first lid and the body is closed, and thus, the vacuumed container can be tightly sealed to prevent any air intake therein, wherein the valve is in connection with the first compartment;
- at least one insulation element which is positioned to surround the first opening and to flex when the container is connected to the first compartment so as to surround the first lid and/or at least a part of the body such that the insulation element fits into the first lid or the body, and thus, enabling the first compartment to be insulated from outer environment for vacuuming process; and
- at least one trigger mechanism in connection with the vacuum pump and enabling the vacuum pump to operate and the valve to be closed when triggered.
- The cooling device according to the invention has further features which are defined in
claim 1. - Thanks to the cooling device according to the present invention, containers such as bottles or jars, which are either customized for vacuuming or standard, can be vacuumed easily, practically and effectively without need for a device that occupies extra space.
- An object of the present invention is to provide a cooling device having a vacuum device for vacuuming containers such as bottles or jars.
- Another object of the present invention is to provide a cooling device having a vacuum device for vacuuming containers having a lid closed or opened by turning.
- A further object of the present invention is to provide a cooling device having a vacuum device in which vacuuming process is performed without requiring a specific container and/or lid.
- Yet another object of the present invention is to provide a reliable cooling device, which is easy to use and practical especially for vacuuming.
- Exemplary embodiments of the cooling device according to the invention are illustrated in the attached drawings, in which:
-
Figure 1 is a perspective view of a door of the cooling device. -
Figure 2 is another perspective view of a door of the cooling device. -
Figure 3 is a perspective view of a vacuum device of the cooling device according to the invention. -
Figure 4 is an exploded view of the vacuum device of the cooling device according to the invention. -
Figure 5 is a side-sectional view of the vacuum device of the cooling device according to the invention. -
Figure 6 is a top view of the vacuum device of the cooling device according to the invention, in a semi-assembled state. -
Figure 7 is a bottom view of the vacuum device of the cooling device according to the invention. -
Figures 8-12 are side-sectional views of an exemplary use of said vacuum device with a jar. -
Figure 13 is a side-sectional view of another exemplary embodiment of said vacuum device. - All the parts illustrated in figures are individually assigned a reference numeral and the corresponding terms of these numbers are listed as follows:
Door (D) Inner surface (D1) Bottle shelf (D2) Jar (K) Body (K1) First lid (K2) Vacuum device (V) Main body (1) First compartment (1a) Second compartment (1b) Partition wall (1c) Connection hole (1d) Second protrusion (1e) Second recess (1f) Holding member (1g) Connection member (1h) Placement body (2) Placement aperture (2a) Guiding member (2b) Second opening (2c) Placement surface (2d) Connection surface (2e) Fixed part (2f) Movable part (2h) Supporting member (2k) Trigger mechanism (3) Carrying member (3a) Trigger member (3b) Second lid (3c) Luminaire (3d) Mounting hole (3e) Lighting element (3f) Insulation element (4) Vacuum pump (5) Pressure switch (6) Valve (7) Trigger switch (8) Vacuum apparatus (9) Shaft (10) Connection apparatus (11) First protrusion (11a) First recess (11b) - Various applications are provided for long-term storage of food products without spoiling, wherein one of these applications is to place a food in a container, vacuum the container and store the food in a vacuum environment. For such storage applications with vacuuming, air inside the container in which food is placed should be evacuated with a vacuum device. Various vacuum devices are provided in the known art for such a process. However, these devices occupy extra space since they are external devices, as well as creating extra costs for users. In order to avoid this, household appliances with vacuum devices have been proposed. However, such applications covered by the known art requires usage of containers with a specific lid for vacuuming, which prevents user from performing vacuuming process easily whenever she/he needs it and also creates an extra cost for the user. Within this context, a cooling device comprising a vacuum device is provided according to the present invention for solving said problems.
- The cooling device (e.g. a refrigerator) according to the present invention, as illustrated in
figures 1-13 , comprises at least one storage compartment (e.g. a cooling compartment and/or freezing compartment) in which products to be stored at a certain temperature are placed; at least one door (D) controlling access into said storage compartment; and at least one vacuum device (V) for vacuuming containers with a first lid (K2) closed or opened preferably by turning, such as bottles or jars (K). The vacuum device (V), as illustrated infigures 3-7 , comprises at least one main body (1) in which vacuuming process is performed, which is preferably in the form of a box open on opposite sides (one of these open sides forming the first opening), and comprises: - at least a first compartment (1a) suitable for receiving, for vacuuming process, the first lid (K2) of the container to be vacuumed and preferably at least a part (especially the part close to the first lid K2)) of the body (K1) thereof;
- at least a first opening preferably having a circular form for placing the first lid (K2) and preferably at least a part of the body (K1) into the first compartment (1a) (i.e. for connecting the container to the first compartment (1a));
- at least a second compartment (1b) adjacent to the first compartment (1a) (the second compartment (1b) preferably being located at an upper part of the first compartment (1a), and the first opening being located at a lower part of the first compartment (1a));
- at least one partition wall (1c) that hermetically separates the first compartment (1a) and the second compartment (1b);
- In an exemplary embodiment of the invention, if the user needs a vacuuming process, she/he places the container, e.g. an ordinary jar (K), such that the first lid (K2) is aligned with first opening of the vacuum device (V) provided in the cooling device (the vacuum device (V) may be provided at any part of the cooling device), as illustrated in
Figure 8 . The container is then moved towards the first compartment (1a) such that the first lid (K2) passes through the first opening and enters into the first compartment (1a), as shown inFigure 9 . As a result of such a movement, the insulation element (4) fits into the first lid (K2) or at least a part of the body (K1) so as to surround them (i.e. such that the first lid (K2) or the body (K1) crush the insulation element (4)), depending on dimensions of the container (e.g. if a surface area of the first lid (K2) is less than a surface area of the cross-section of the body (K1), the insulation element (4) can fit into the body (K1), and if a surface area of the first lid (K2) is close to or equal to a surface area of the cross-section of the body (K1), the insulation element (4) can fit into the first lid (K2)). Therefore, the first opening is closed by body of the container, thus preventing air intake into the first compartment (1a) from outer environment. After the first compartment (1a) is disconnected from outer environment, vacuum pump (5) is activated by trigger mechanism (3) and air inside the first compartment (1a) is evacuated, as illustrated inFigure 10 . While air inside the first compartment (1a) is evacuated, it is also ensured that air inside the container is evacuated through gaps between the body (K1) and the first lid (K2), which is not tightly sealed to the body (K1). When pressure value reaches a predetermined value, operation of vacuum pump (5) is stopped, and the closed valve (7) is opened to fill the first compartment (1a) with air instantly. Since air is filled into the first compartment (1a) in a quite short time, a pressure difference occurs between the first compartment (1a) and the inside of the container, and this pressure difference causes a force to be applied on the first lid such that gaps between the first lid (K2) and the body (K1) are closed as illustrated inFigure 11 . Said gap is closed by the effect of said force, both by flexion of first lid (K2) towards the body (K1) and by the force creating a compression movement by rotating the first lid (K2) on the body (K1). Evacuated container is isolated from outer environment when the first lid (K2) is tightly sealed to the body (K1), and vacuum process is completed when the container leaves the first compartment (1a) as illustrated inFigure 12 . Thanks to the cooling device according to the present invention, need for using an external device that occupies extra space for vacuuming process can be minimized, and food can be stored under vacuum, for example in a standard jar (K), without requiring containers with specific lids to store the food under vacuum. - In a preferred embodiment of the invention, the trigger mechanism (3) may be at least one sensor (e.g. a proximity sensor, a light sensor, a laser distance sensor, an ultrasonic sensor etc.) detecting placement of first lid (K2) into the first compartment (1a) (i.e. detecting connection of container to the first compartment (1a)) and enabling the vacuum pump (5) to be activated based on this detection. Therefore, the vacuuming process can be initiated automatically when the container is placed in the vacuum device (V)).
- In another embodiment illustrated in drawings, the trigger mechanism (3) comprises at least one trigger switch (8) (e.g. a paddle switch) in connection with the vacuum pump (5); and at least one trigger member (3b) having a first position in which the trigger member (3b) contacts the trigger switch (8) to activate it and a second position in which the trigger member (3b) does not contact the trigger switch (8). The trigger member (3b) is preferably connected with the main body (1) such that at least a part thereof can be moved towards or away from the trigger switch (8) by the user (this movement is preferably a rotational movement around an axis) and that the trigger member (3b) is brought into the first position or the second position by means of this movement. Thus, initiation of the vacuuming process can be carried out under control of the user and a faulty vacuuming process can be prevented. In this embodiment, the trigger mechanism (3) also preferably comprises at least one carrying member (3a), preferably having a "U" form, which is connected to the main body (1) (preferably provided at an upper part of the main body (1)), comprises at least a first movement opening, wherein the trigger switch (8) is located on the carrying member (3a) preferably between the main body (1) and the carrying member (3a), and the trigger member (3b) is connected to the carrying member (3a) to move in the first movement opening and close the first movement opening. In this embodiment, preferably, an opening is provided at one side of the second compartment (1b) (preferably at a side thereof opposite to the adjacent side with the first compartment (1a)), wherein the carrying member (3a) and the trigger member (3b) together function as a cover that covers said opening. In this embodiment, there is also preferably at least one channel inside the carrying member (3a), which preferably extends along the carrying member (3a), wherein at least one lighting element (3f) is provided in said channel. Stages of the vacuuming process can be notified to the user in various colours via the lighting element (3f). Trigger mechanism (3) also preferably comprises at least one luminaire (3d) located on the carrying member (3a) to cover open portion of the channel. Thus, light emitted by the lighting element (3f) can be emitted more homogeneously and softly to the environment. In this embodiment, the trigger mechanism (3) also preferably comprises at least a second lid (3c) preferably having a "U" form, located to surround the carrying member (3a) and the luminaire (3d), comprising at least a second movement opening, wherein the trigger member (3b) is connected to the carrying member (3a) to move in the second movement opening and cover the second movement opening. In this way, lighting element (3f) and luminaire (3d) are protected from external factors, while elements such as screws that provide the assembly can be prevented from being visible from outside, and visual integrity with the main body (1) can be provided. The trigger mechanism (3) also preferably comprises at least two mounting holes (3e) corresponding to each other, wherein at least one of them is located in the carrying member (3a) and at least one in the trigger member (3b) for connecting the trigger member (3b) movably to the carrying member (3a); and at least one shaft (10) for connecting the trigger member (3b) to the carrying member (3a) by passing through the mounting holes (3e). Therefore, trigger member (3b) can rotate in the axis of the shaft (10) and can be brought into the first position or second position.
- The vacuum device (V) according to the invention further comprises at least one holding member (1g) located to at least partially surround the first opening, having the form of a protrusion extending from the main body (1), supporting the insulation element (4) from its outer side so that the insulation element (4) is located between the holding member (1g) and the main body (1), and thus, supporting the insulation element (4) which can flex while the container is connected to the first compartment (1a).
- The vacuum device (V) also comprises at least one placement body (2) in connection with a side of the main body (1) where the first opening is provided, supporting the container for connecting the container to the first compartment (1a) properly, and having at least one placement aperture (2a) through which the first lid (K2) passes to align with the first opening and at least a second opening (2c) matching with the first opening and preferably having a circular form. Said placement body (2) comprises at least two guiding members (2b) opposite to each other, which extend preferably along the placement aperture (2a) away from the second opening (2c) on two opposite sides of the placement aperture (2a). In this embodiment, when the container is to be attached to the vacuum device (V) for vacuuming process, the first lid (K2) is placed in the placement aperture (2a) and the first lid (K2) is guided by the guiding members (2b) so that container is moved towards the second opening (2c). When the first lid (K2) matches with second opening (2c), the container is moved towards the first compartment (1a) for vacuuming process, and the first lid (K2) is located in the first compartment (1a) by passing through the second opening (2c) and the first opening. Thus, container is moved by being supported and the ease of use is provided, and the vacuuming process can be performed properly by ensuring the correct alignment of the container. According to the invention, there is also at least one placement surface (2d) located in the second opening (2c), extending from the placement body (2) towards centre of the second opening (2c), wherein at least one part of the insulation element (4) is placed on the placement surface (2d) such that it is between the placement body (2) (or itself) and the main body (1), and preferably width of the part of the placement surface (2d) that extends from the placement body (2) towards the centre of the second opening (2c) can be changed for changing width of the second opening (2c). According to the invention, placement body (2) also comprises at least one connection surface (2e) extending from the placement body (2) towards the cooling device (or the door (D)) for connection of the vacuum device (V) to the cooling device (preferably to the door (D) of the cooling device). According to the invention, the vacuum device (V) further comprises at least one connection apparatus (11) which is fitted on the connection surface (2e) and connected from one side to the cooling device (preferably to an inner surface (D1) of the door (D) facing the storage compartment of the cooling device when in the closed position) and from another side to the main body (1). Therefore, the vacuum device (V) can be attached to the cooling device in a removable manner. According to the invention, the vacuum device (V) further comprises at least one holding member (1g) located in the main body (1) to at least partially surround the first opening and to extend towards the placement body (2), placed in the second opening (2c) for connection of the placement body (2) to the main body (1), supporting the insulation element (4) from its outer side so that the insulation element (4) is settled between the holding member (1g) and the placement surface (2d). In this embodiment, the vacuum device (V) preferably comprises a plurality of placement bodies (2) each having a second opening (2c) of different widths for enabling usage of containers with different sizes; and a plurality of insulation elements (4) each having a width that matches with a width of the second opening (2c). Therefore, containers of different sizes can also be subjected to the vacuuming process by ensuring that the insulation element (4) and the placement body (2) having a second opening (2c) that has a suitable width for the width of the container to be vacuumed are attached to the main body (1). In this embodiment, alternatively, as illustrated in
Figure 13 , the placement body (2) preferably comprises at least one fixed part (2f) which is fixed to the main body (1); and at least one movable part (2h) which is movable with respect to the main body (1) so as to move towards or away from the fixed part (2f), forms the placement body (2) when it is engaged with the fixed part (2f), and on which the placement aperture (2a) is provided. In this embodiment, the insulation element (4) is preferably located on the placement body (2) and consists of at least two parts, one part on the fixed part (2f) and the other part on the movable part (2h). Moreover, in this embodiment, the placement body (2) preferably comprises at least one supporting member (2k) which is in the form of a protrusion extending from the movable part (2h) towards the main body (1) and is located at the movable part (2h), wherein at least one part of the supporting member (2k) supports the insulation element (4) from its outer side, and at least another side thereof is fitted in at least one slot provided at the main body (1). In this embodiment, movable part (2h) is preferably moved by the user so as to move away from the fixed part (2f), and the container to be vacuumed is moved through the gap between the fixed part (2f) and the movable part (2h) towards the main body (1) for vacuuming process such that the first lid (K2) and preferably at least one part of its the body (K1) (especially the part close to the first lid (K2)) is placed in the first compartment (1a). After that, the movable part (2h) is moved towards the container, which is connected with the first compartment (1a) (and therefore towards the fixed part (2f)), preferably by the user, and the fixed part (2f) and the movable part (2h) are enabled to be positioned such that they hermetically surround the first lid (K2) and/or at least one part of the body (K1) of the container. Thus, it can be ensured that containers of different sizes and different body shapes can be effectively vacuumed. In this embodiment, the vacuum device (V) further comprises at least one rail on which the movable part (2h) moves and which is located in the main body (1) for said movement of the movable part (2h). Yet in another embodiment, the vacuum device (V) preferably comprises at least one spring mechanism which applies a force towards the movable part (2h) and the fixed part (2f) when in a released state in which no force is applied on the spring assembly, and which is connected from one side to the movable part (2h), and from another side to the main body (1) or the fixed part (2f). In a further embodiment, the vacuum device (V) may comprise at least one electromagnet and/or at least one motor and/or at least one piston for the movement of the movable part (2h). Thus, the container can be securely compressed between the fixed part (2f) and the movable part (2h). - In another preferred embodiment, the vacuum device (V) comprises at least two connection holes (1d) located on the partition wall (1c); and at least two connection members (1h) in the form of a pipe, wherein at least one of the connection members (1h) is connected to at least one connection hole (1d) from one side thereof and to the vacuum pump (5) from another side thereof, and at least another one of the connection members (1h) is connected to at least another connection hole (1d) from one side thereof and to the valve (7) from another side thereof. Therefore, connection of vacuum pump (5) and valve (7) to the first compartment (1a) can be provided in a leak-proof manner.
- In another alternative embodiment, the vacuum device (V) preferably comprises at least one vacuum apparatus (9) which is located at the partition wall (1c) (preferably in a slot provided at the partition wall (1c)) such that it is on the side of the first compartment (1a) (preferably located at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a) [e.g. the area where the connection holes (1d) are provided]), and enables vacuuming of the containers (e.g. bottles) with a specific first lid (K2) for the vacuuming process, as well. The vacuum apparatus (9) is placed at the first lid (K2) which is specific to the vacuuming process (for example, containing a vacuuming valve), and provides the vacuuming process to be carried out in this way.
- According to the invention, the cooling device preferably comprises at least one connection apparatus (11) which is mounted from one side thereof to a surface of the cooling device, preferably to an inner surface (D1) of the door (D) facing the storage compartment in its closed position, and enables the vacuum device (V) to be positioned at the cooling device when the vacuum device (V) is mounted to the connection apparatus (11). The connection apparatus (11) preferably comprises at least a first protrusion (11a), wherein at least a first recess (11b) is formed at an area adjacent to the first protrusion (11a). The vacuum device (V), in turn, comprises at least a second protrusion (1e) which is located at the main body (1) and inserted into the first recess (11b); and at least a second recess (1f) formed at an area adjacent to the second protrusion (1e), wherein the first protrusion (11a) is inserted into the second recess (1f). Thus, the vacuum device (V) can be fixed securely to the cooling device by enabling that the vacuum device (V) fits into the connection apparatus (11).
- In another exemplary embodiment of the cooling device according to the invention, the vacuum device (V) preferably comprises at least one pressure switch (6) located at the second compartment (1b), in connection with the first compartment (1a), detecting that a predetermined vacuum value is reached during vacuuming process, and thus, enabling the vacuum pump (5) to be stopped and the valve (7) to be opened. In this embodiment, the vacuum device (V) preferably comprises at least one connection hole (1d) located at the separation wall (1c) for connection of the pressure switch (6) to the first compartment (1a); and at least one connection member (1h) in the form of a pipe, which is connected from one side to the connection hole (1d), and from another side to the pressure switch (6). In this embodiment, stopping the vacuum pump (5) and opening the valve (7) can be performed by sending a signal to the vacuum pump (5) and the valve (7) by the pressure switch (6) when it reads the predetermined vacuum value, or it can be performed by means of at least one control unit. Said control unit may be integrated with the pressure switch or it may be an external unit (e.g. a control unit of the cooling device) in connection with the pressure switch (6).
- In another exemplary embodiment of the cooling device according to the invention, the vacuum device (V) preferably comprises at least one sensor detecting an amount of tension/stress occurred in the insulation element (4) in order to detect that the predetermined vacuum value is reached during vacuuming process. Said sensor is in connection with at least one control unit, and a value measured by the sensor is compared to a tension/stress value stored in the control unit and corresponding to the predetermined vacuum value; and when the value stored in the control unit is reached, stopping the vacuum pump (5) and opening the valve can preferably be performed by the control unit. In a further embodiment, comparison may be performed by the sensor, and the sensor can send a signal to the vacuum pump (5) and the valve (7) in order for the vacuum pump (5) to stop and the valve (7) to open when it is detected that the vacuum value reaches the predetermined value.
- In an embodiment, the vacuum device (V) is preferably located on an inner surface (D1) of the door (D) facing the storage compartment when the door (D) is in the closed position such that the vacuum device (V) is preferably placed inside a bottle shelf (D2). In this embodiment, firstly the vacuum device (V) is mounted to the inner surface (D1), then the bottle shelf (D2), which has an opening at an area corresponding to the vacuum device (V), is attached to the inner surface (D1) and the vacuum device (V) is placed in said opening in the bottle shelf (D2). In this embodiment, the vacuum device (V) can be mounted inclined to said inner surface (D1). Thus, the user can be enabled to place the container on the vacuum device (V) ergonomically. In another alternative embodiment, the part of the vacuum device (V) where the insulation element (4) is located can be inclined.
- In another embodiment of the cooling device according to the invention, the vacuum device (V) preferably comprises at least one closing mechanism which enables the first lid (K2) to be compressed by an external force after completion of the vacuuming process. Said closing mechanism rotates by grasping the first lid (K2), and thus, enables the first lid (K2) to be tightly connected to the body (K1) by rotating. Rotational movement of the closing mechanism may be controlled by the user manually or it may also be performed automatically when it is detected that the predetermined vacuum value is reached by means of at least one movement element, which can be a motor. In this embodiment, in order to perform lid closing process, the vacuum device (V) may also preferably comprise at least one alerting element which alerts the user audibly and/or visually when the vacuuming process is completed.
- In another alternative embodiment, the insulation element (4) is preferably a gasket inflatable by at least one fluid (e.g. air). In this embodiment, a fluid (e.g., a gas or air) received from a source is delivered into the gasket when the container is connected to the first compartment (1a), and the gasket is inflated to take the shape of the body (K1) or the first lid (K2) of the container. Thus, it can be enabled that the vacuum device (V) can also be used for containers or lids of different shapes. Source of the fluid supplied into the gasket can be an external feeding unit or it can also be the air discharged from the vacuum pump (5) during vacuuming process.
- In another preferred embodiment, the vacuum device (V) comprises at least one movement mechanism for moving the container whose first lid (K2) matches with the first opening towards the first compartment (1a) and/or for moving the container in connection with the first compartment (1a) away from the first compartment (1a) after completion of the vacuuming process. In an embodiment, the movement mechanism preferably comprises at least one conveyor system which is located at the main body (1), lifts the container towards the first compartment (1a) and/or lowers the container away from the first compartment (1a). Yet in another embodiment, the movement mechanism comprises at least one electromagnet which is located in the main body (1) and which, when energised, applies a force on the first lid (1a) made of metal so that the container is pulled towards the first compartment (1a), and preferably applies said pulling force on the container during vacuuming process such that the first lid (K2) or the body (K1) crush the insulation element (4) and thus a reliable vacuum environment is created between the first compartment (1a) and the container, wherein the electromagnet stops applying a force on the first lid (K2) when it is de-energised.
- Yet in another embodiment, the cooling device preferably comprises at least one tube preferably located at the cooling device or the vacuum device (V) and containing at least one gas which prevents food from spoiling and comprises at least one substance that does not react or prevents bacterial-fungal growth; and at least one low-flow valve located at the vacuum device (V) and enabling said gas to be transferred into the container from said tube. In this embodiment, when vacuuming of the container is completed (i.e. when the predetermined pressure value is reached), the low-flow valve is opened and the gas in the tube is filled into the first compartment (1a) before opening the valve (7) and sending air into the first compartment (1a) instantly. As the gas flow supplied from the tube into the first compartment (1a) is slow, the gas filled into the first compartment (1a) does not create a pressing force on the first lid (K2), and therefore gaps between the first lid (K2) and the body (K1) are not closed. Thus, the gas filled in the first compartment (1a) can pass into the container through these gaps. After the predetermined amount of gas is filled into the container, the low-flow valve is closed and the gas flow from the tube to the first compartment (1a) is cut off. Then, vacuuming process continues normally by opening the valve (7). In another embodiment, after all the air in the container is vacuumed, the low-flow valve is opened to fill the container with the gas coming from the tube, and this filling process continues until a pressure of the gas filled into the container is equal to the external environment pressure. Then, the first lid (K2) is compressed by at least one closing mechanism, so that the first lid (K2) can firmly grasp the body (K1). In this embodiment, the vacuum device (V) may preferably comprise at least one sensor (e.g. a pressure sensor) for detecting an amount of gas filled into the container. The tube may be located, for example, in any area of the cooling device, and gas in the tube can be transferred to the container, for example through the first compartment (1a), via various transmission lines such as pipes. Said tube may be a tube externally attached by the user to the cooling device (e.g. door (D) of the cooling device) or vacuum device (V).
- In another embodiment, the vacuum device (V) preferably comprises at least one vacuum slot in the form of a recess from the first compartment (1a) towards the second compartment (1b), which is located at the partition wall (1c) at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a). Thanks to the vacuum slot, parts of narrow necked containers, such as bottles, where the first lids (K2) thereof are provided can be placed in the vacuum slot, and the insulation element (4) can also be fitted to the container body (K1), enabling the narrow necked containers to be effectively vacuumed.
- Thanks to the cooling device according to the present invention, containers such as bottles or jars (K), which are either customized for vacuuming or standard, can be vacuumed easily, practically and effectively without need for a device that occupies extra space.
Claims (14)
- A cooling device comprising at least one storage compartment in which products to be stored at a certain temperature are placed; at least one door (D) controlling access into said storage compartment; and at least one vacuum device (V) for vacuuming containers with a first lid (K2) comprising:- at least one main body (1) in which vacuuming process is performed and which comprises:• at least a first compartment (1a) suitable for receiving, for vacuuming process, the first lid (K2) of the container to be vacuumed or at least a part of the body (K1) thereof together with the first lid (K2);• at least a first opening for connecting the container to the first compartment (1a);• at least a second compartment (1b) adjacent to the first compartment (1a);• at least one partition wall (1c) that hermetically separates the first compartment (1a) and the second compartment (1b);- at least one vacuum pump (5) in connection with the first compartment (1a) and located in the second compartment (1b), wherein the vacuum pump (5) enables air inside the first compartment (1a) to be vacuumed, a vacuum environment to be created between the container and the first compartment (1a) when the container is connected to the first compartment (1a);- at least one trigger mechanism (3) in connection with the vacuum pump (5) and configured to enable the vacuum pump (5) to operate when triggered;characterized in that the vacuum device (V) is configured to evacuate air inside the container by the vacuum pump (5) through gaps between the first lid (K2) and the body (K1) and in that the vacuum device (V) further comprises:- at least one valve (7) which is closed during vacuuming process so as to prevent air passage into the first compartment (1a), and is opened after completion of the vacuuming process such that the first compartment (1a) is filled with air instantly and a pressure difference is created between the first compartment (1a) and the inside of the container, a force is applied on the first lid (K2) due to such a pressure difference, and the first lid (K2) fits tightly into the body (K1) by means of said force so that the gap between the first lid (K2) and the body (K1) is closed, and thus, the vacuumed container can be tightly sealed to prevent any air intake therein, wherein the valve (7) is in connection with the first compartment (1a);- at least one insulation element (4) which is positioned to surround the first opening and to flex when the container is connected to the first compartment (1a) so as to surround the first lid (K2)
and/or at least a part of the body (K1) such that the insulation element (4) fits into the first lid (K2) or the body (K1), and thus, enabling the first compartment (1a) to be insulated from outer environment for vacuuming process; and- the at least one trigger mechanism (3) is configured to enable the valve (7) to be closed when triggered;- at least one holding member (1g) located to at least partially surround the first opening, having the form of a protrusion extending from the main body (1), supporting the insulation element (4) from its outer side so that the insulation element (4) is located between the holding member (1g) and the main body (1);- at least one placement body (2) in connection with a side of the main body (1) where the first opening is provided, supporting the container for connecting the container to the first compartment (1a) properly, and having at least one placement aperture (2a) through which the first lid (K2) passes to align with the first opening and at least a second opening (2c) matching with the first opening;- at least two guiding members (2b) opposite to each other, which are located at the placement body (2) and extend away from the second opening (2c) on two opposite sides of the placement aperture (2a);- at least one placement surface (2d) located at the second opening (2c), extending from the placement body (2) towards centre of the second opening (2c), wherein at least one part of the insulation element (4) is placed on the placement surface (2d) such that it is between the placement body (2) and the main body (1);- at least one connection surface (2e) located at the placement body (2) and extending from the placement body (2) towards the cooling device for connection of the vacuum device (V) to the cooling device; and
at least one connection apparatus (11) which is fitted on the connection surface (2e) and connected from one side to the cooling device and from another side to the main body (1). - A cooling device according to claim 1, characterized in that the trigger mechanism (3) is at least one sensor detecting placement of first lid (K2) into the first compartment (1a) and enabling the vacuum pump (5) to be activated based on this detection.
- A cooling device according to claim 1, characterized in that the trigger mechanism (3) comprises at least one trigger switch (8) in connection with the vacuum pump (5); at least one trigger member (3b) having a first position in which the trigger member (3b) contacts the trigger switch (8) to activate it and a second position in which the trigger member (3b) does not contact the trigger switch (8), wherein the trigger member (3b) is connected with the main body (1) such that at least a part thereof can be moved towards or away from the trigger switch (8) by the user and that the trigger member (3b) is brought into the first position or the second position by means of this movement; and at least one carrying member (3a) which is connected to the main body (1) and comprises at least a first movement opening, wherein the trigger switch (8) is located on the carrying member (3a), and the trigger member (3b) is connected to the carrying member (3a) to move in the first movement opening and cover the first movement opening.
- A cooling device according to claim 3, characterized by comprising:- at least one channel provided in the carrying member (3a);- at least one lighting element (3f) located in said channel;- at least one luminaire (3d) provided at the trigger mechanism (3) and located on the carrying member (3a) to cover open portion of the channel;- at least a second lid (3c) provided at the trigger mechanism (3), located to surround the carrying member (3a) and the luminaire (3d), and comprising at least a second movement opening, wherein the trigger member (3b) is connected to the carrying member (3a) to move in the second movement opening and cover the second movement opening; and- at least two mounting holes (3e) corresponding to each other and provided at the trigger mechanism (3), wherein at least one of them is located in the carrying member (3a) and at least one in the trigger member (3b) for connecting the trigger member (3b) movably to the carrying member (3a); and at least one shaft (10) for connecting the trigger member (3b) to the carrying member (3a) by passing through the mounting holes (3e).
- A cooling device according to claim 1, characterized in that the placement body (2) comprises at least one fixed part (2f) which is fixed to the main body (1); at least one movable part (2h) which is movable with respect to the main body (1) so as to move towards or away from the fixed part (2f), forms the placement body (2) when it is engaged with the fixed part (2f), and on which the placement aperture (2a) is provided; at least one supporting member (2k) which is in the form of a protrusion extending from the movable part (2h) towards the main body (1) and is located at the movable part (2h), wherein at least one part of the supporting member (2k) supports the insulation element (4) from its outer side, and at least another side thereof is fitted in at least one slot provided at the main body (1); and at least one rail on which the movable part (2h) moves and which is located in the main body (1) for said movement of the movable part (2h).
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) comprises at least two connection holes (1d) located on the partition wall (1c); and at least two connection members (1h) in the form of a pipe, wherein at least one of the connection members (1h) is connected to at least one connection hole (1d) from one side thereof and to the vacuum pump (5) from another side thereof, and at least another one of the connection members (1h) is connected to at least another connection hole (1d) from one side thereof and to the valve (7) from another side thereof.
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) comprises at least one vacuum apparatus (9) which is located at the partition wall (1c) such that it is on the side of the first compartment (1a), enables vacuuming of the containers with a specific first lid (K2) for the vacuuming process, as well, and located at the partition wall (1c) at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a).
- A cooling device according to any of the preceding claims, characterized in that the cooling device comprises at least one connection apparatus (11) mounted from one side to a surface of the cooling device, enabling the vacuum device (V) to be positioned at the cooling device when the vacuum device (V) is mounted to the connection apparatus (11), and comprising at least a first protrusion (11a) and at least a first recess (11b) formed at an area adjacent to the first protrusion (11a); and that the vacuum device (V) comprises at least a second protrusion (1e) which is located at the main body (1) and inserted into the first recess (11b); and at least a second recess (1f) formed at an area adjacent to the second protrusion (1e), wherein the first protrusion (11a) is inserted into the second recess (1f).
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) comprises at least one pressure switch (6) located at the second compartment (1b), in connection with the first compartment (1a), detecting that a predetermined vacuum value is reached during vacuuming process, and thus, enabling the vacuum pump (5) to be stopped and the valve (7) to be opened; at least one connection hole (1d) located at the separation wall (1c) for connection of the pressure switch (6) to the first compartment (1a); and at least one connection member (1h) in the form of a pipe, which is connected from one side to the connection hole (1d), and from another side to the pressure switch (6).
- A cooling device according to any of the claims 1 to 8, characterized in that the vacuum device (V) comprises at least one sensor detecting an amount of tension/stress occurred in the insulation element (4) in order to detect that the predetermined vacuum value is reached during vacuuming process.
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) is located on an inner surface (D1) of the door (D) facing the storage compartment when the door (D) is in closed position such that the vacuum device (V) is placed inside a bottle shelf (D2).
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) comprises at least one closing mechanism which is configured to enable the first lid (K2) to be compressed by an external force after completion of the vacuuming process, and is able to rotate by grasping the first lid (K2); and at least one movement mechanism which is configured to move the container whose first lid (K2) matches with the first opening towards the first compartment (1a) and/or to move the container in connection with the first compartment (1a) away from the first compartment (1a) after completion of the vacuuming process.
- A cooling device according to any of the preceding claims, characterized by comprising at least one tube containing at least one gas which prevents food from spoiling and comprises at least one substance that does not react or prevents bacterial-fungal growth; and at least one low-flow valve located at the vacuum device (V) and enabling said gas to be transferred into the container from said tube.
- A cooling device according to any of the preceding claims, characterized in that the vacuum device (V) comprises at least one vacuum slot in the form of a recess from the first compartment (1a) towards the second compartment (1b), which is located at the partition wall (1c) at an area where the vacuum pump (5) and the valve (7) are connected to the first compartment (1a).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TR2019/14388A TR201914388A2 (en) | 2019-09-23 | 2019-09-23 | Cooling device incorporating a vacuuming device. |
Publications (2)
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EP3795933A1 EP3795933A1 (en) | 2021-03-24 |
EP3795933B1 true EP3795933B1 (en) | 2023-10-04 |
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EP20196240.4A Active EP3795933B1 (en) | 2019-09-23 | 2020-09-15 | A cooling device comprising a vacuum device |
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EP (1) | EP3795933B1 (en) |
TR (1) | TR201914388A2 (en) |
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CN115468367B (en) * | 2021-06-11 | 2023-11-07 | 重庆海尔制冷电器有限公司 | Vacuum storage device, air extraction control method and refrigerator |
CN113865212A (en) * | 2021-10-13 | 2021-12-31 | 珠海格力电器股份有限公司 | Vacuum fresh-keeping device and refrigerator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CA1166195A (en) * | 1979-10-04 | 1984-04-24 | Anton Pirc | Method and apparatus for vacuum sealing containers |
EP0474326A3 (en) * | 1990-09-07 | 1992-04-08 | S.A.V.A. Societa Per Le Applicazioni Del Vuoto Atmosferico | Preservation housing for perishable products |
US5271240A (en) | 1992-07-06 | 1993-12-21 | Arex, Inc. | Household refrigerator-freezer cooling apparatus with vacuum as the preserving means |
US8240158B2 (en) * | 2008-03-12 | 2012-08-14 | Whirlpool Corporation | Modified atmosphere for food preservation |
KR20180068072A (en) * | 2016-12-13 | 2018-06-21 | 삼성전자주식회사 | Refrigerator |
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2019
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