EP4116647A1 - Appareil de réfrigération - Google Patents

Appareil de réfrigération Download PDF

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Publication number
EP4116647A1
EP4116647A1 EP21184698.5A EP21184698A EP4116647A1 EP 4116647 A1 EP4116647 A1 EP 4116647A1 EP 21184698 A EP21184698 A EP 21184698A EP 4116647 A1 EP4116647 A1 EP 4116647A1
Authority
EP
European Patent Office
Prior art keywords
holding device
appliance
apt
chamber wall
component
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.)
Pending
Application number
EP21184698.5A
Other languages
German (de)
English (en)
Inventor
Sergio Grotto
Santosh IRAPPA MANOLI
Marco DI FONZO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to EP21184698.5A priority Critical patent/EP4116647A1/fr
Publication of EP4116647A1 publication Critical patent/EP4116647A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the present invention relates to a refrigeration appliance, in particular to a refrigeration appliance provided with a working chamber receiving components for the functioning of the appliance.
  • refrigeration appliances are extensively used, in particular refrigeration appliances for domestic use.
  • domestic refrigeration appliances comprising one or more compartments, for example fresh food compartments and/or freezer compartments, for the storage of food and/or beverages.
  • a refrigeration appliance typically comprises a parallelepiped-shaped outer cabinet apt to place the refrigerator in a standing working position and an inner liner, disposed within the outer cabinet, which defines said one or more compartments.
  • the refrigeration is then equipped with a refrigeration system apt to cool the compartments and comprises a closed refrigerating circuit filled with a refrigerant.
  • the refrigeration system preferably comprises an electric motor-driven compressor, a condenser heat exchanger, a capillary tube, an evaporator and a fan for creating a cooling air stream for the compartment/s.
  • Part of the components of the refrigeration system are preferably arranged in a proper chamber of the refrigerator, or working chamber.
  • the working chamber and components contained therein, for example the compressor and the capillary tube, are preferably arranged on the bottom of the cabinet at its back side.
  • the working chamber also preferably receives one or more electrical cables for the functioning of the appliance, such as power supply electrical cables for the compressor and/or data communication electrical cables, for example cables for data detected from sensors.
  • electrical cables for the functioning of the appliance such as power supply electrical cables for the compressor and/or data communication electrical cables, for example cables for data detected from sensors.
  • the working chamber is typically defined by lateral sides that laterally delimit the working chamber itself and is preferably open towards the outside so that it can be conveniently accessible in case of maintenance.
  • the realization of the appliance implies several manufacturing steps for assembling the components in the correct reciprocal position. A particular attention has to be paid to precisely assembling the components in the correct reciprocal position inside the working chamber.
  • One object of the present invention is therefore to overcome the limits posed by the known techniques.
  • a refrigeration appliance having an outer cabinet, a refrigeration system comprising a closed refrigerating circuit filled with a refrigerant and a working chamber apt to receive at least one component of the refrigerating circuit and/or at least one electrical cable for the functioning of said appliance and by providing a holding device apt to be removably connected to at least one chamber wall of the working chamber and apt to at least temporarily hold the component of the refrigerating circuit and/or the electrical cable, it is possible to optimize assembling operations of the appliance.
  • a refrigeration appliance comprising:
  • the holding device is slidingly associated to the chamber wall.
  • the holding device is easily moved for insertion into, or removal from, the working chamber either in assembling of the refrigerator or in case of maintenance operations.
  • the chamber wall comprises at least one slit surface and the holding device comprises at least one respective protruding rib apt to slidingly engage with said one slit surface or the holding device comprises at least one slit surface and the wall chamber comprises at least one respective protruding rib apt to slidingly engage with said one slit surface.
  • the appliance comprises a snap-in device apt to maintain the holding device in a stable position with respect to said at least one chamber wall.
  • a quick disconnection of the holding device is also enhanced.
  • the snap-in device comprises at least one tooth element associated to the chamber wall and at least one respective retaining surface associated to the holding device or at least one tooth element associated to the holding device and at least one respective retaining surface associated to the chamber wall.
  • said one tooth element and/or the retaining surface are arranged inside the working chamber in a position so as to be reachable with a disengaging tool for disengaging said one tooth element from the retaining surface.
  • the tooth element is easily reachable from an open side of the working chamber. Assembling or disassembling of the holding device thus advantageously requires only an external handling by an operator.
  • said at least one component of the refrigerating circuit comprises a tubular-shaped component, preferably a circulating tube for the refrigerant or a valve or a capillary tube or a fluxmeter or a filter.
  • the holding device comprises at least one protruding element apt to at least temporarily hold said at least one component of the refrigerating circuit and/or said at least one electrical cable.
  • said at least one protruding element comprises a movable bracket apt to be positioned in a rest position and in an operating position, wherein in the operating position the movable bracket holds said at least one component or said at least one electrical cable.
  • the movable bracket in the rest position does not hold said at least one component or said at least one electrical cable.
  • the movable bracket may be positioned in rest position so that it is not cumbersome.
  • the movable bracket is a rotatable bracket apt to be rotated between the operating position and the rest position.
  • the movable bracket in its operating position precisely holds said at least one component or said at least one electrical cable inside the working chamber.
  • said at least one component or said at least one electrical cable is kept in position inside the working chamber thus avoiding the contact with other components.
  • the rotatable bracket in the rest position is arranged parallel to the chamber wall and in the operating position the rotatable bracket is inclined with respect to the chamber wall, preferably is perpendicular with respect to the chamber wall.
  • the movable bracket comprises a gripping portion apt to surround said at least one component or said at least one electrical cable, preferably the gripping portion comprises a clip, more preferably a snap-in open clip.
  • said at least one protruding element comprises a plurality of tongues, more preferably elastic tongues, apt to define at least one seat to hold, or temporarily hold, said at least one component or said at least one electrical cable.
  • the appliance further comprises a retaining device apt to keep the holding device in position inside the working chamber.
  • the retaining device comprises one or more recesses provided at the chamber wall and one or more corresponding retaining surfaces provided at the holding device, preferably said or more recesses being defined at reinforcing ribs of the chamber wall.
  • the retaining device comprises a screw insertable in a hole of the holding device and engageable in a hole of the chamber wall.
  • the refrigeration appliance according to the present invention has proved to be particularly advantageous when refers to a refrigeration appliance for domestic use. It should in any case be underlined that the present invention is not limited to this particular embodiment. On the contrary, the present invention conveniently refers to any refrigeration appliance being provided with a working chamber wherein components for the functioning of the refrigeration appliance are arranged.
  • a refrigeration appliance, or refrigerator, in the form of a domestic stand-alone refrigerator is shown, indicated generally as 1.
  • the refrigeration appliance can be embodied by refrigeration appliances other than a domestic refrigerator.
  • the embodiments described in detail below refers to a refrigerator comprising one fresh food compartment.
  • the refrigerator according to the invention can have any desired configuration, for example a refrigerator comprising only one freezer compartment or a bottom mount refrigerator, i.e. of the type including a freezer compartment disposed vertically below a fresh food compartment, or a top mount refrigerator wherein a freezer compartment is disposed vertically above a fresh food compartment.
  • the refrigerator 1 preferably comprises a fresh food compartment, not shown in the figures.
  • the refrigerator 1 preferably comprises an outer cabinet 2 and an inner liner (not shown), internally received in the outer cabinet 2, that preferably defines said fresh food compartment.
  • a door 15 is preferably pivotally mounted to the outer cabinet 2 and is movable between an open position and a closed position to cover the fresh food compartment.
  • a refrigeration system 100 is preferably provided to cool the fresh food compartment, more preferably the refrigeration system 100 is apt to cool down air which is circulated inside the fresh food compartment.
  • the refrigeration system 100 preferably comprises components configured to generate said cooling air flow.
  • the refrigeration system 100 preferably comprises a closed refrigerating circuit 102 filled with a suitable refrigerant, for example R12 or R134a.
  • the refrigeration system 100 preferably comprises an electric motor-driven compressor 104, a condenser heat exchanger 106, a pressure device such as a capillary tube or a thermostatic valve and an evaporator.
  • a fan is also preferably used to circulate the cooled air inside the fresh food compartment.
  • the refrigerating circuit 102 is preferably embodied as a plurality tubular-shaped circulating tube portions 102a, 102b, 102c properly connected to form a closed circuit.
  • a filter 114 is also preferably arranged along the closed refrigerating circuit 102 to filter impurities that may be present in the refrigerant.
  • the filter 114 is preferably arranged between a condenser heat exchanger 106 and the pressure device.
  • the filter 114 is preferably embodied as a tubular-shaped component.
  • the outer cabinet 2 is preferably parallelepiped-shaped and preferably comprises side walls 2A, 2B, 2C, 2D, preferably two lateral side walls 2A, 2B, a rear side wall 2C and a top side wall 2D.
  • lateral side walls 2A, 2B and the rear side wall 2C are preferably aligned to a vertical direction.
  • Some of the above-described components of the refrigeration system 100 are preferably arranged in a working chamber 20 of the refrigerator 1.
  • the working chamber 20 is preferably arranged at the back side of the refrigerator 1 and preferably at a bottom part of the rear side wall 2C.
  • the working chamber 20 is preferably open towards the outside so that dissipation of heat produced by components inside the working chamber 20 is enhanced, in particular heat produced by the compressor 104 and/or the electric motor 104a. Furthermore, working chamber 20 can be conveniently accessible in case of maintenance.
  • the working chamber 20 is preferably defined by one or more chamber walls 30A, 30B, 22.
  • Two lateral chamber walls 30A, 30B preferably laterally delimit the working chamber 20 and a rear chamber wall 22 preferably delimits the working chamber 20 in the back-to-front direction.
  • the rear chamber wall 22 is preferably embodied as a shaped panel 22 used to also thermally insulating the working chamber 20 with respect to the fresh food compartment.
  • the lateral chamber walls 30A, 30B of the working chamber 20 are preferably constituted by respective separated lower parts of the lateral side walls 2A, 2B of the outer cabinet 2.
  • the lateral chamber walls 30A, 30B are therefore preferably constituted by separated base supports 30A, 30B facing each other.
  • the two base supports 30A, 30B are preferably fixedly connected to respective lower portions of the lateral side walls 2A, 2B.
  • the base supports 30A, 30B are constituted of plastic bodies.
  • the base supports 30A, 30B advantageously support the refrigerator 1 when the latest is positioned in its standing working position.
  • the lateral chamber walls of the working chamber may correspond to the lower part of the lateral side walls of the outer cabinet or, in other words, the lateral chamber walls of the working chamber are not separated parts from the lateral side walls of the outer cabinet.
  • the base supports 30A, 30B are opportunely configured to receive a supporting element 24 which is preferably arranged in the lower part of the working chamber 20, preferably to support components inside the working chamber 20. More preferably the supporting element 24 supports the compressor 104 which is preferably fixed with screws 26 to the supporting element 24.
  • a holding device 50A, 50B is apt to be removably connected to the base support 30A, 30B to hold, or temporarily hold, at least one component 102a, 114 of the refrigerating circuit 102 and/or an electrical cable 116, as better described later.
  • holding devices 50A, 50B removably connected to the respective base supports 30A, 30B, namely a right holding device 50A removably connected to the right supports 30A and a left holding device 50B removably connected to the left support 30B.
  • the two holding devices 50A, 50B have substantially the same shape and functionality, as better described later.
  • the right holding device 50A preferably comprises an approximately parallelepiped-shaped body, preferably made of plastic.
  • the right holding device 50A is removably connected to the right support 30A and more preferably the right holding device 50A is removably connected in a sliding way to the right support 30A.
  • the right holding device 50A is thus preferably displaceable in at least an extracted position, as illustrated for example in Figure 4 , and an inserted or working position, as illustrated for example in Figures 2 , 5 and 6 .
  • the extracted position preferably represents either a possible pre-assembled position of the holding device 50A during assembling of the refrigerator 1 or a position useful in case of maintenance operations.
  • the right support 30A preferably comprises two slit surfaces 32A, 34A facing one the other and preferably vertically arranged one above the other.
  • the holding device 50A comprises two respective protruding ribs 52A, 54A apt to slidingly engage with respective slit surfaces 32A, 34A of the right support 30A.
  • the right holding device 50A is therefore easily moved for insertion into, or removal from, the working chamber 20 and ribs 52A, 54A advantageously slide along slit surfaces 32A, 34A during said movements.
  • One or more retaining devices 40A, 46A are further preferably provided to keep the holding device 50A in the working position.
  • a first retaining device 40A preferably comprises one or more recesses 41A, 42A provided at the right support 30A which engage with retaining surfaces 55A, 56A of the right holding device 50A when the holding device 50A in placed in the working position.
  • the recesses 41A, 42A are preferably defined at reinforcing ribs 43A, 44A of the right support 30A.
  • the reinforcing ribs 43A, 44A are preferably realized on the right support 30A at an innermost position inside the working chamber 20.
  • the retaining surfaces 55A, 56A of the right holding device 50A are preferably realized on a head portion of the holding device 50A.
  • a second retaining/fixing device 46A preferably comprises a screw (not shown) insertable in a hole 48A of the right holding device 50A and engageable in a hole 49A of the right support 30A.
  • the hole 48A of the right holding device 50A is preferably realized on the right support 30A at an outermost position of the working chamber 20.
  • the screw can be therefore easily screwed and unscrewed, during assembling steps and/or maintenance operations.
  • a snap-in device 60A if further preferably provided to maintain the holding device 50A in a stable position with respect to the right support 30A and to allow a quick disconnection of the holding device 50A from the right support 30A, as better described below.
  • the snap-in device 60A preferably comprises a tooth element 62A associated to the right support 30A and a respective retaining surface 64A associated to the holding device 50A.
  • the tooth element 62A engages the retaining surface 64A when the holding device 50 is in the working position.
  • the retaining surface 64A is preferably defined in a bridge portion 66A of the holding device 50A.
  • the bridge portion 66A preferably has a slot 68A which preferably opens towards the open side of the working chamber 20.
  • disengagement of the tooth element 62A from the retaining surface 64A may be carried out by inserting a disengaging tool T thorough the slot 68A, as illustrated in Figure 8A , which partially deforms the bridge portion 66A so that the retaining surface 64A is sufficiently separated from the tooth element 62A allowing its disengagement.
  • the tooth element 62A is easily reachable from the open side of the working chamber 20. Assembling or disassembling of the holding device 50 thus advantageously requires only an external handling by an operator.
  • the snap-in device may comprise a tooth element associated to the holding device and a respective retaining surface associated to right support.
  • the two retaining devices 40A, 46A and the snap-in device 60A enhance the holding device 50A to be safely maintained in the working position and/or to be easily removed from the working chamber 20.
  • the holding device 50 preferably comprises at least one protruding element 70A, 90A apt to hold, or temporarily hold, at least one component 102a, 114 of the refrigerating circuit 102 and/or an electrical cable 116.
  • the protruding element 70A comprises a movable bracket 70A apt to be positioned between a rest position, as shown for example in Figures 4 , 5 and 6 , and an operating position, as shown for example in Figures 2 and 7 .
  • the movable bracket 70A preferably holds at least one component of the refrigerating circuit 102 and/or an electrical cable.
  • the movable bracket 70A preferably holds a tube portion 102a of the refrigerating circuit 102.
  • the movable bracket 70A In the rest position, the movable bracket 70A does not hold any components or electrical cables.
  • the movable bracket 70A is embodied as a rotatable bracket.
  • the rotatable bracket 70A is preferably hinged to the holding device 50 at an end thereof.
  • the rotatable bracket 70A is therefore advantageously rotatable to be at least positioned in said rest and operating positions.
  • the rotatable bracket 70A is arranged parallel to the right support 30A, i.e. substantially in vertical position.
  • the rotatable bracket 70A is inclined with respect to the right support 30A, preferably is perpendicular with respect to the right support 30A, i.e. substantially arranged in horizontal position.
  • inclination of the movable bracket 70A in the operating position depends on the final inclination of component held by the movable bracket 70A.
  • the movable bracket 70A preferably comprises a gripping portion 72A apt to surround the tube portion 102a.
  • the gripping portion 72A is preferably configured to match the outer shape of the component to be held. More preferably, the gripping portion 72A is configured to match the tubular shape of the component.
  • the gripping portion 72A preferably comprises a clip, more preferably a snap-in open clip.
  • the clip preferably has a substantially circular shape with an aperture 74A ( Figure 7 ) through which the tube portion 102a is received when the movable bracket 70A is moved from the resting position to the operating position.
  • the clip 72A is also preferably at least partially flexible so that the tube portion 102a is firmly held therein.
  • the at least one protruding element 90A comprises a plurality of tongues, more preferably elastic tongues, apt to define at least one seat 92A to hold, or temporarily hold, at least one component of the refrigerating circuit 102 and/or an electrical cable 116.
  • the seats 92A receive the electrical power supply cable 116 of the electric motor 104a of the compressor 104, more preferably the seats 92A temporarily receive said electrical power supply cable 116, as better described later.
  • the seats 92A are opportunely arranged so that the final portion of the electrical power supply cable 116 may be wound as a spiral on the holding device 50A, as illustrated in Figures 4 to 6 .
  • the two fixing points 94A preferably comprise a retaining tab with an aperture through which the electrical power supply cable 116 may be inserted to be the firmly held therein.
  • the holding device 50A is firstly advantageously used during assembling steps in manufacturing of the refrigerator 1.
  • Figure 4 shows a pre-assembled position of the holding device 50A during manufacturing of the refrigerator 1 wherein components of the refrigeration system 100 are not yet completely assembled/connected therebetween.
  • the tube portions 102a, 102b of the refrigerating circuit 102 are not connected one to the other and also the power supply cable 116 is not electrically connected to the motor 104a of the compressor 104.
  • the power supply cable 116 is firstly preferably wound as a spiral on the holding device 50A, as shown in Figure 4 . More preferably, the power supply cable 116 is inserted in respective seats 92A and fixing points 94A of the holding device 50A.
  • the rotatable bracket 70A is displaced in the rest position, i.e. preferably in vertical position.
  • the holding device 50A is then inserted, through sliding, into the working chamber 20 up to its final working position, as shown in Figures 5 and 6 .
  • the snap-in device 60A acts to maintain the holding device 50A in stable working position with the tooth element 62A of the right support 30A that abuts the retaining surface 64A of the holding device 50A.
  • recesses 41A, 42A of the right support 30A preferably engage with retaining surfaces 55A, 56A of the right holding device 50A.
  • the following steps of the assembling further preferably comprises:
  • the tube portions 102a, 102b of the refrigerating circuit 102 can be connected therebetween, preferably through welding.
  • the rotatable bracket 70A advantageously, in its operating position precisely holds the tube portion 102c inside the working chamber 20.
  • the tube portion 102c is kept in position inside the working chamber 20 thus avoiding the contact with other components.
  • the right holding device 50A of the invention optimizes assembling operations and simplifies the manufacturing process of the refrigerator 1.
  • the rotatable bracket 70A may be positioned in rest vertical position so that it is not cumbersome.
  • the left holding device 50B will be described, being in mind that it has substantially the same shape and functionality of the right holding device 50A.
  • the left holding device 50B preferably comprises an approximately parallelepiped-shaped body, preferably made of plastic.
  • the left holding device 50B is removably connected to the left support 30B and more preferably the left holding device 50B is removably connected in a sliding way to the left support 30B.
  • the left holding device 50B is thus preferably displaceable in at least an extracted position, as illustrated for example in Figure 9 , and an inserted or working position, as illustrated for example in Figures 3 and 10 .
  • the extracted position preferably represents either a possible pre-assembled position of the holding device 50B during assembling of the refrigerator 1 or a position useful in case of maintenance operations.
  • the left support 30B preferably comprises two slit surfaces 32B, 34B facing one the other and preferably vertically arranged one above the other.
  • the holding device 50B comprises two respective protruding ribs 52B, 54B apt to slidingly engage with respective slit surfaces 32B, 34B of the left support 30B.
  • the left holding device 50B is therefore easily moved for insertion into, or removal from, the working chamber 20 and ribs 52B, 54B advantageously slide along slit surfaces 32B, 34B during said movements.
  • One or more retaining devices 40B, 46B are further preferably provided to keep the holding device 50B in the working position.
  • a first retaining device 40B preferably comprises one or more recesses 42B provided at the left support 30B which engage with retaining surfaces 55B, 56B of the left holding device 50B when the holding device 50B in placed in the working position.
  • the recesses 42B are preferably defined at reinforcing ribs 43B, 44B of the left support 30B.
  • the reinforcing ribs 43B, 44B are preferably realized on the left support 30B at an innermost position inside the working chamber 20.
  • the retaining surfaces 55B, 56B of the left holding device 50B are preferably realized on a head portion of the holding device 50B.
  • a second retaining/fixing device 46B preferably comprises a screw (not shown) insertable in a hole 48B of the left holding device 50B and engageable in a hole 49B of the left support 30B.
  • the hole 48B of the left holding device 50B is preferably realized on the left support 30B at an outermost position of the working chamber 20.
  • the screw can be therefore easily screwed and unscrewed, during assembling steps and/or maintenance operations.
  • a snap-in device 60B if further preferably provided to maintain the holding device 50B in a stable position with respect to the left support 30B and to allow a quick disconnection of the holding device 50B from the left support 30B.
  • the snap-in device 60B substantially corresponds to the snap-in device 60A illustrated and described with respect to the right holding device 50A and therefore not described in detail.
  • the two retaining devices 40B, 46B and the snap-in device 60B enhance the left holding device 50B to be safely maintained in the working position and/or to be easily removed from the working chamber 20.
  • the holding device 50 preferably comprises at least one protruding element 70B, 90B apt to hold, or temporarily hold, at least one component 114 of the refrigerating circuit 102.
  • the protruding element 70B comprises a movable bracket 70B apt to be positioned between a rest position, as shown for example in Figures 9 and 10 , and an operating position, as shown for example in Figures 3 and 11 .
  • the movable bracket 70B In the operating position the movable bracket 70B preferably holds at least one component 114 of the refrigerating circuit 102 and/or an electrical cable.
  • the movable bracket 70B preferably holds the filter 114 of the refrigerating circuit 102.
  • the movable bracket 70B In the rest position, the movable bracket 70B does not hold any components or electrical cables.
  • the movable bracket 70B is embodied as a rotatable bracket.
  • the rotatable bracket 70B is preferably hinged to the holding device 50B at an end thereof.
  • the rotatable bracket 70B is therefore advantageously rotatable to be at least positioned in said rest and operating positions.
  • the rotatable bracket 70B is arranged parallel to the left support 30B, i.e. substantially in vertical position.
  • the rotatable bracket 70B is inclined with respect to the left support 30B, preferably is perpendicular with respect to the left support 30B, i.e. substantially arranged in horizontal position.
  • inclination of the movable bracket 70B in the operating position depends on the final inclination of component held by the movable bracket 70B.
  • the movable bracket 70B preferably comprises a gripping portion 72B apt to surround the filter 114.
  • the gripping portion 72B is preferably configured to match the outer shape of the component to be held. More preferably, the gripping portion 72B is configured to match the tubular shape of the component.
  • the gripping portion 72B preferably comprises a clip, more preferably a snap-in open clip.
  • the clip 72B preferably has a substantially circular shape with an aperture 74B ( Figure 11 ) through which the filter 114 is received when the movable bracket 70B is moved from the resting position to the operating position.
  • the clip 72B is also preferably at least partially flexible so that the filter 114 is firmly held therein.
  • the at least one protruding element comprises a plurality of tongues, more preferably elastic tongues, apt to define at least one seat 92B to hold, or temporarily hold, at least one component of the refrigerating circuit 102 and/or an electrical cable.
  • the seats 92B are not eventually used.
  • the seats 92B are preferably configured to receive an electrical cable 216.
  • the seats 92B are opportunely arranged to temporarily hold the cable 216 during assembling, as better described later.
  • the two fixing points 94B preferably comprise a retaining tab with an aperture through which the cable may be eventually inserted to be the firmly held therein.
  • the holding device 50B is firstly advantageously used during assembling steps in manufacturing of the refrigerator 1.
  • Figure 9 shows a pre-assembled position of the holding device 50B during manufacturing of the refrigerator 1 wherein components of the refrigeration system 100 are not yet completely assembled/connected therebetween.
  • a tube portion 102c and a temporary cap 114a is initially arranged inside the working chamber 20 while the filter 114 is not yet assembled.
  • the left holding device 50B does not held any component and at the same time the rotatable bracket 70B is displaced in the rest position, i.e. preferably in vertical position.
  • the holding device 50B is then inserted, through sliding, into the working chamber 20 up to its final working position, as shown in Figure 10 .
  • the snap-in device 60B acts to maintain the holding device 50B in stable working position.
  • recesses 42B of the left support 30B preferably engage with retaining surfaces 55B, 56B of the left holding device 50B.
  • the following step of the assembling preferably comprises the removal of the temporary cap 114a from the tube portion 102c and the connection of the filter 114.
  • the following step further preferably comprises rotating the rotatable bracket 70B from its rest vertical position to the operating position, preferably the horizontal position, so that the gripping portion 72B of the rotatable bracket 70B surrounds and grips the filter 114, as shown in Figures 3 and 11 .
  • the rotatable bracket 70B advantageously, in its operating position precisely holds the filter 114 inside the working chamber 20.
  • the filter 114 is kept in position inside the working chamber 20 thus avoiding the contact with other components.
  • the left holding device 50B of the invention optimizes assembling operations and simplifies the manufacturing process of the refrigerator.
  • the rotatable bracket 70B may be positioned in rest vertical position so that it is not cumbersome.
  • Figures 12 to 15 refer to a refrigeration appliance 201 according to a further preferred embodiment of the invention.
  • the refrigeration appliance 201 of this preferred embodiment differs from the refrigeration appliance 1 previously described mainly in the different arrangement and/or type of components of refrigerating circuit 202 and/or electrical cables of the refrigeration system 210.
  • a first difference is that the compressor 104 is driven through a variable speed electric motor 204a ( Figure 12 ) rather than a fixed speed electric motor, more preferably through an inverter device.
  • the electrical cable 116 therefore, supplies electrical power to the variable speed electric motor 204a.
  • a second difference is that the refrigeration system 210 further comprises a diverting valve 214 arranged in the refrigerating circuit 202 and received in the working chamber 20.
  • a diverting valve is preferably used when the refrigerant in a refrigerating circuit system needs to be diverted in two or more different directions.
  • An electrical cable 216 preferably supplies electrical power to the diverting valve 214.
  • All other components of the refrigeration appliance 201 preferably correspond to the components previously described, in particular the right and left holding devices 50A, 50B are as described above.
  • the holding device 50A is firstly advantageously used during assembling steps in manufacturing of the refrigerator 201.
  • Figure 14 shows a pre-assembled position of the holding device 50A during manufacturing of the refrigerator 201 wherein components of the refrigeration system 210 are not yet completely assembled/connected therebetween.
  • the tube portions 102a, 102b of the refrigerating circuit 202 are not connected one to the other and also the power supply cable 116 is not electrically connected to the motor 204a of the compressor 104.
  • the power supply cable 116 is firstly preferably wound as a spiral on the holding device 50A, as shown in Figure 14 . More preferably, the power supply cable 116 is inserted in respective seats 92A and fixing points 94A of the holding device 50A.
  • the rotatable bracket 70A is displaced in the rest position, i.e. preferably in vertical position.
  • the holding device 50A is then inserted, through sliding, into the working chamber 20 up to its final working position, as shown in Figure 12 .
  • the snap-in device 60A acts to maintain the holding device 50A in stable working position inside the working chamber 20.
  • recesses 41A, 42A of the right support 30A preferably engage with retaining surfaces 55A, 56A of the right holding device 50A.
  • the following steps of the assembling further preferably comprises:
  • the tube portions 102a, 102b of the refrigerating circuit 202 can be connected therebetween, preferably through welding.
  • the holding device 50B is firstly advantageously used during assembling steps in manufacturing of the refrigerator 1.
  • Figure 15 shows a pre-assembled position of the holding device 50B during manufacturing of the refrigerator 201 wherein components of the refrigeration system 210 are not yet completely assembled/connected therebetween.
  • a tube portion 102c and a temporary cap 114a is initially arranged inside the working chamber 20 while the filter 114 is not yet assembled. Furthermore, the power supply cable 216 is not electrically connected to the to the diverting valve 214.
  • the left holding device 50B does not held any component and at the same time the rotatable bracket 70B is displaced in the rest position, i.e. preferably in vertical position.
  • the power supply cable 216 is firstly preferably wound as a spiral on the right holding device 50B, as shown in Figure 15 . More preferably, the power supply cable 216 is inserted in respective seats 92B and fixing points 94B of the holding device 50B.
  • the rotatable bracket 70B is displaced in the rest position, i.e. preferably in vertical position.
  • the holding device 50B is then inserted, through sliding, into the working chamber 20 up to its final working position, as shown in Figure 13 .
  • the snap-in device 60B acts to maintain the holding device 50B in stable working position inside the working chamber 20.
  • recesses of the left support 30B preferably engage with retaining surfaces 55A, 56A of the left holding device 50B.
  • the following steps of the assembling further preferably comprises:
  • the holding devices 50A, 50B therefore, optimize assembling operations and simplifies the manufacturing process of the refrigerator.
  • the present invention has been described with reference to the particular components of the refrigerating circuit such as tubes and filter, it should be noted that the present invention is not limited to said specific components and other components may be advantageously held, or temporarily held, by the holding device according to the invention, for example valves, capillary tubes, fluxmeters, etc. Components are preferably tubularly-shaped.
  • the present invention has been described with reference to electrical cables supplying electrical power to the compressor motor or to a to the diverting valve, it should be noted that the present invention is not limited to power supply cable and other electrical cable may be advantageously held, or temporarily held, by the holding device according to the invention, such as data communication electrical cables, for example cables for data detected from sensors.
  • the present invention allows all the set objects to be achieved.
  • the refrigeration appliance of the invention makes it possible to optimize assembling operations compared to known techniques. While the present invention has been described with reference to the particular embodiments shown in the figures, it should be noted that the present invention is not limited to the specific embodiments illustrated and described herein; on the contrary, further variants of the embodiments described herein fall within the scope of the present invention, which is defined in the claims.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP21184698.5A 2021-07-09 2021-07-09 Appareil de réfrigération Pending EP4116647A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21184698.5A EP4116647A1 (fr) 2021-07-09 2021-07-09 Appareil de réfrigération

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21184698.5A EP4116647A1 (fr) 2021-07-09 2021-07-09 Appareil de réfrigération

Publications (1)

Publication Number Publication Date
EP4116647A1 true EP4116647A1 (fr) 2023-01-11

Family

ID=76859457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21184698.5A Pending EP4116647A1 (fr) 2021-07-09 2021-07-09 Appareil de réfrigération

Country Status (1)

Country Link
EP (1) EP4116647A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012113630A2 (fr) * 2011-02-23 2012-08-30 BSH Bosch und Siemens Hausgeräte GmbH Appareil électroménager
DE102012222845A1 (de) * 2012-12-12 2014-06-12 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
DE102017221904A1 (de) * 2017-12-05 2019-06-06 BSH Hausgeräte GmbH Haushaltsgerätevorrichtung
KR101994688B1 (ko) * 2017-04-03 2019-07-01 엘지전자 주식회사 냉장고

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012113630A2 (fr) * 2011-02-23 2012-08-30 BSH Bosch und Siemens Hausgeräte GmbH Appareil électroménager
DE102012222845A1 (de) * 2012-12-12 2014-06-12 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
KR101994688B1 (ko) * 2017-04-03 2019-07-01 엘지전자 주식회사 냉장고
DE102017221904A1 (de) * 2017-12-05 2019-06-06 BSH Hausgeräte GmbH Haushaltsgerätevorrichtung

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