EP2799612B1 - Appareil de traitement du linge à pompe à chaleur - Google Patents
Appareil de traitement du linge à pompe à chaleur Download PDFInfo
- Publication number
- EP2799612B1 EP2799612B1 EP13166249.6A EP13166249A EP2799612B1 EP 2799612 B1 EP2799612 B1 EP 2799612B1 EP 13166249 A EP13166249 A EP 13166249A EP 2799612 B1 EP2799612 B1 EP 2799612B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat pump
- treatment apparatus
- laundry treatment
- cabinet
- refrigerant
- 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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- 239000003507 refrigerant Substances 0.000 claims description 102
- 238000000034 method Methods 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 3
- 238000010981 drying operation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
Definitions
- the present invention relates to a heat pump laundry treatment apparatus, in particular a heat pump laundry dryer or a heat pump washing machine having drying function.
- a heat pump type laundry dryer generally comprises a cabinet enclosing a rotatable drum whose inner region defines a laundry treating chamber where a drying process is carried out.
- the machine cabinet is closed at the bottom thereof by a basement having a lower surface facing the floor where the machine is to be placed and an upper surface provided with seats for receiving operational components provided for carrying out a drying process on laundry.
- a heat pump system, an electric motor, a fan, a drying air circuit (process air circuit) and other devices provided for operating the laundry apparatus are operational components of the machine.
- a heat pump system includes a closed refrigerant loop, a first heat exchanger acting as evaporator for evaporating the refrigerant and cooling process air, a compressing device, a second heat exchanger acting as condenser for cooling the refrigerant and heating the process air, and an expansion device from where the refrigerant is returned to the first heat exchanger.
- Today's heat pump type laundry dryers are notable for their high drying capability and effective energy saving.
- the compressing device of the heat pump is activated while the drum is rotated by a drive unit, the refrigerant is compressed and drying air (process air) is re-circulated through the drum by means of a process air circuit and a blower installed in such circuit.
- process air drying air
- the process air exhausted from the drum is cooled and dehumidified by heat exchange carried out by the evaporator of the heat pump system.
- the dehumidified air is heated by heat exchange carried out by the condenser of the heat pump system and, subsequently, the heated and dried air is supplied into the drum for performing the laundry drying process.
- dry warm air is repeatedly supplied into the drum, whereby laundry is dried.
- heat pump laundry treatment apparatus in order to simplify the heat pump cleaning, it is possible to remove from the machine the entire heat pump system including evaporator, compressor, condenser and the expansion valve. To allow such operation, large openings should be provided on a side of the laundry dryer machine cabinet in correspondence of the heat pump system, due in particular to the fact that the compressor typically has large dimensions (especially height), even greater than the batteries placed therein for powering the heat exchangers.
- a heat pump laundry treatment apparatus is disclosed in DE 4212700 .
- Periodical cleaning of heat exchangers is strongly recommended, in particular periodical cleaning of the evaporator which is the first element in the air circuit to be subjected to the air passage.
- the evaporator is subjected to collect lint particles, despite the fact that the evaporator is placed in the air circuit downstream an air filtration unit, so as to receive generally filtered clear air.
- the evaporator collects fluffs or lint particles, for example passed through the filtration unit, or, for example, after a wrong start of the machine when the filtration unit has not been properly installed therein. In such a case, before the dryer check control system realizes that the dryer is working without filtration unit and, consequently, give a stop command to the drying cycle, an amount of lint particles has already reached the evaporator.
- a heat pump laundry treatment apparatus in particular a heat pump laundry dryer or a heat pump washing machine having drying function, comprising a cabinet which houses operational components for carrying out a drying operation on laundry.
- the operational components comprise: a) a rotatable laundry drum for treating laundry using process air, the drum being accessible by a user through a door of the apparatus; b) a process air path for conveying the process air through the drum; and c) a heat pump assembly having members comprising a first and a second heat exchanger arranged in the process air path, a compressing device, a refrigerant expansion device and a refrigerant loop for circulating a refrigerant fluid through the members.
- the refrigerant loop comprises flexible pipes for fluidly connecting two members of the heat pump assembly.
- the laundry treatment apparatus of the present invention is further characterized by the fact that at least one of the heat pump assembly members is at least partly removable from the cabinet leaving the remaining heat pump assembly members inside the cabinet and keeping said at least partly removable heat pump member connected to the refrigerant loop.
- the term "operational components” refers to components which contribute to the operation of the heat pump laundry treatment apparatus of the present invention and that are generally supported by the bottom portion of said cabinet.
- the operational components may further include, for example, a process air fan; electric motors for rotating a laundry treatment chamber and/or a process air fan; one or more control units or any other device, or portions thereof, operated for carrying out a drying treatment on laundry.
- flexible pipe refers to a hose which is made of a suitable material which allows the refrigerant fluid to circulate at its inside and which is able to change its path or to occupy a different space region when subjected just to a minimum shear loading transversely applied to it.
- a typical example of flexible pipe has generally a polymeric core covered by a reinforcing single or double stainless braid giving the tube the characteristics of high pressure resistance and of being free to occupy whichever position.
- each single member of the heat pump assembly is allowed to be partly or completely removable from the cabinet, leaving the remaining heat pump assembly members inside the cabinet and keeping said removable heat pump member connected to the refrigerant loop.
- At least two of said members of the heat pump assembly are partly or completely removable from the cabinet, leaving the remaining heat pump assembly members inside the cabinet and keeping the two or more removable heat pump members connected to the refrigerant loop.
- said cabinet has an opening dimensioned for being passed through by said at least partly removable heat pump member.
- a first flexible pipe fluidly connects one of said first or second heat exchangers with the compressing device
- a second flexible pipe fluidly connects the other of said heat exchangers with the compressing device or the refrigerant expansion device.
- said first flexible pipe fluidly connects one of the first or second heat exchanger with the compressing device, and said second flexible pipe fluidly connects the same first or second heat exchanger with the refrigerant expansion device.
- said first or second heat exchanger being fluidly connected on one side with the compressing device and on the other side with the refrigerant expansion device, is allowed to be extracted from the heat pump laundry treatment apparatus, leaving the compressor and all the remaining components of the heat pump assembly inside the cabinet and still fluidly connected to said removed heat exchanger.
- said at least one heat pump members is removable from the cabinet by changing the path of said flexible pipes.
- said path of said flexible pipes for example, by unrolling, extending, rolling or just moving at least one of them from a first position to a second position, it is allowed, first, to move said at least one member of the heat pump assembly from the working position and, then, to partly or fully extract it from the cabinet.
- the air/refrigerant first heat exchanger of the heat pump assembly of the heat pump laundry treatment apparatus of the present invention is herein below referred to as the "evaporator” or “gas-heater” of the heat-pump assembly. It is structured so that the airflow arriving from the revolving drum and the low-pressure and low temperature refrigerant directed to the suction of the refrigerant compressing device can flow through it simultaneously, allowing the refrigerant having a temperature lower than that of the airflow, to absorb heat from the airflow, thus causing condensation of the surplus moisture in the airflow arriving from the revolving drum.
- the air/refrigerant second heat exchanger is herein below referred to as the "main condenser” or “gas-cooler” of the heat-pump assembly of the heat pump laundry treatment apparatus of the present invention. It is structured so that the airflow directed back into said revolving drum and the high-pressure and high-temperature refrigerant arriving from the outlet of said refrigerant compressing device can flow through it simultaneously, allowing the refrigerant having a temperature greater than that of the airflow to release heat to the airflow, thus heating the airflow directed back into the revolving drum.
- said heat pump assembly further comprises a third heat exchanger arranged in said refrigerant loop between the second heat exchanger, namely the main condenser, and the refrigerant expansion device.
- said third heat exchanger is an auxiliary condenser.
- auxiliary condenser allows to generate a better working condition in the heat exchanger of the heat pump assembly fluidly connected to said auxiliary condenser and which immediately follows it in said refrigerant loop.
- said auxiliary condenser allows to further condense the refrigerant fluid which exits from the main condenser, rendering as liquid as possible said refrigerant fluid which is to be inputted to the evaporator.
- the most liquid the refrigerant fluid to be entered into the evaporator is, the better is the workability of the evaporator itself.
- the refrigerant fluid entering the evaporator mainly consists in vapor, the evaporator has not sufficient liquid to evaporate, worsening its working conditions.
- the refrigerant fluid which exits from the main condenser is already sufficiently liquid to be inputted to said evaporator, said auxiliary condenser will reduce the temperature of said sufficiently liquid refrigerant fluid exited from the main condenser.
- the refrigerant fluid entering the evaporator will be at a lower temperature than in absence of the auxiliary condenser, allowing the evaporator to work in a better working condition.
- said third heat exchanger is fluidly connected to the refrigerant expansion device and to the second heat exchanger through flexible pipes.
- said third heat exchanger is allowed to be partly or completely removable from the cabinet, leaving the compressor, the refrigerant expansion device, and the second heat exchanger inside the cabinet.
- the fluid connections between heat pump assembly members are not interrupted.
- said process air path comprises a segment having an enclosure that houses the first and the second heat exchangers, said segment being removable from the cabinet.
- said refrigerant expansion device is mounted on said segment.
- said auxiliary heat exchanger is mounted on said segment.
- said segment has a box-like structure comprising an handle.
- said segment is positioned in the lower part of the cabinet.
- said segment is slidably mounted onto a basement supporting said operational components.
- said segment is mounted onto the basement through a carriage which is movable along at least a driving rail.
- said carriage is allowed to move in a safety way along a predefined direction established by the driving rail itself, avoiding the risk for the carriage to accidentally hit against obstacles during its movement.
- said opening is closed by a movable panel.
- said movable panel may be removed by the user when he/she needs to have access, through said opening, to the inside part of the cabinet containing the heat pump assembly, for extracting some members of the heat pump assembly.
- said opening may be closed with said removable panel during normal working conditions of the heat pump laundry treatment apparatus of the present invention.
- said compressing device has a flange portion provided with threaded fixing devices for removably fixing the compressing device onto a basement supporting the operational components.
- the compressing device is firmly fixed to the basement; however, said compressing device may be easily removed from said basement, for maintaining or replacing purposes, by disengaging from the basement said flange portion provided with threaded fixing devices.
- said compressing device is offset relative to said opening provided in the cabinet dimensioned for being passed through by the at least partly removable heat pump member.
- said compressing device is fixed to the basement and it may be not intended to be extracted from the cabinet when the other members of the heat pump assembly are extracted from the cabinet, being said compressing device offset relative to said opening, the space inside the cabinet in correspondence of said opening is completely exploitable by the user for moving the members of heat pump assembly to be removed from the cabinet.
- number 1 indicates as a whole a, preferably household, heat pump laundry treatment apparatus which comprises a boxlike cabinet 2 structured for resting on the floor.
- the cabinet 2 houses a substantially cylindrical, revolving drum 3 for treating laundry using process air, and which is mounted in axially rotating manner inside the boxlike cabinet 2.
- the revolving drum 3 directly faces a laundry loading/unloading through opening 7 formed in the front wall 8 of cabinet 2; the user is thus allowed to access laundry in the drum 3 through a porthole door 4 of the apparatus 1 in correspondence of said through opening 7.
- the porthole door 4 hinged to the front wall 8 of cabinet 2 rotates about a preferably, though not necessarily, vertically-oriented reference axis, to and from a closing position in which the porthole door 4 rests completely against the front wall 8 to close the laundry loading/unloading opening and substantially airtight seal the revolving drum 3.
- the heat pump laundry treatment apparatus 1 additionally comprises, inside the boxlike cabinet 2, an electric motor 5, shown in Figure 3 and 4 , which is mechanically connected to the revolving drum 3 for driving into rotation the drum 3 about its longitudinal axis; a closed-circuit, hot-air generator 6 which is structured to circulate through the revolving drum 3 a stream of hot air having a low moisture level, and which flows over and rapidly dries the laundry located inside drum 3; and finally a main electronic control unit (not shown) which is provided for controlling both the electric motor 5 and the hot-air generator 6 to perform one of the user-selectable drying cycles preferably.
- Said main electronic control unit may be formed by a plurality of control sub-units in signal communication with each other.
- a further control unit (not shown), separated from said main electronic control unit, may be provided to receive instructions input by a user.
- Said additional control unit may be even integrated in said main electronic control unit.
- the boxlike cabinet 2 preferably comprises a substantially parallelepiped-shaped lower supporting basement 9 which is structured for resting on the floor and for housing at least part of the hot-air generator 6; and a substantially parallelepiped-shaped upper boxlike cabinet 10 which is rigidly fixed to the top of the lower supporting basement 9 and it is structured so as to house the revolving drum 3.
- the laundry loading/unloading opening 7 of cabinet 2 is therefore realized in the front wall 8 of the upper boxlike cabinet 10, and the porthole door 4 is hinged to the front wall 8 of the aforesaid upper boxlike cabinet 10.
- the hot-air generator 6 is a closed-circuit, heat-pump type, air circuit that comprises: an air recirculating conduit having its two ends fluidly connected to the revolving drum 3, on opposite sides of the latter, thereby defining a process air (drying air) path 12; a fan 32 located along the air recirculating conduit to produce, inside such conduit, an airflow which flows through the revolving drum; and finally a heat-pump assembly 14 having at least two heat exchangers 15,16 located one after the other, along the air recirculating conduit.
- the arrows in Fig. 2 show the direction of the air in the process air path 12.
- the heat pump assembly 14 schematically comprises:
- the process air path 12 comprises a segment 13 having an enclosure 22 for housing the first and the second heat exchangers 15, 16.
- the air/refrigerant first heat exchanger 15 is conventionally referred to as the "evaporator” or “gas-heater” of the heat-pump assembly 14, and it is structured so that the airflow arriving from revolving drum 3 and the low-pressure and low temperature refrigerant directed to the suction of the refrigerant compressing device 17 can flow through it simultaneously, allowing the refrigerant having a temperature lower than that of the airflow, to absorb heat from the airflow, thus causing condensation of the surplus moisture in the airflow arriving from revolving drum 3.
- the air/refrigerant second heat exchanger 16 is conventionally referred to as the "condenser” or “gas-cooler” of the heat-pump assembly 14, and it is structured so that the airflow directed back into revolving drum 3 and the high-pressure and high-temperature refrigerant arriving from the delivery of the refrigerant compressing device 17 can flow through it simultaneously, allowing the refrigerant having a temperature greater than that of the airflow to release heat to the airflow, thus heating the airflow directed back into the revolving drum 3.
- the heat-pump assembly 14 is further provided with a number of connecting pipes 19 which connect the two heat exchangers 15 and 16, the refrigerant compressing device 17 and the refrigerant expansion device 18 to one another, so as to allow the refrigerant to continuously flow in closed refrigerant loop 11 from the refrigerant compressing device 17 in sequence to the second air/refrigerant heat exchanger 16, to the refrigerant expansion device 18, to the first air/refrigerant heat exchanger 15, and finally return back to the refrigerant compressing device 17.
- the embodiment of the heat pump assembly 14 of the heat pump laundry treatment apparatus 1 of the present invention shown in Figure 3 further comprises an optional third heat exchanger 20, arranged in said refrigerant loop 11 between the second heat exchanger 16 (the condenser) and the refrigerant expansion device 18 and fluidly connected to them.
- a third heat exchanger 20 is an auxiliary condenser and allows a better working condition in the element of the heat pump assembly 14 fluidly connected to it, in this case the evaporator 15.
- the auxiliary condenser 20 further condenses the refrigerant fluid which exits from the condenser 16 (also named as "the main condenser” when an auxiliary condenser 20 is also present as it is the case of the present embodiment), rendering as liquid as possible said refrigerant fluid which is to be inputted to the evaporator 15. If the refrigerant fluid which exits from the main condenser 16 is already sufficiently liquid, the auxiliary condenser 20 will reduce the temperature of such a sufficiently liquid refrigerant fluid. Thus, the refrigerant fluid entering the evaporator 15 will be at a lower temperature than in absence of the auxiliary condenser 20, allowing the evaporator 15 to work in a better working condition in any case. In order to cool the auxiliary condenser 20, an air fan 21 is positioned in front of it.
- the refrigerant loop for circulating a refrigerant fluid through the members 15, 16, 17, 18 of the heat pump assembly 14, comprises flexible pipes 19 (better shown in Figures 4 to 7 ) for fluidly connecting each other two of the members 15, 16, 17, 18 of the heat pump assembly 14.
- the flexible pipe 19a fluidly connects the first heat exchanger (the evaporator) 15 with the compressing device 17 and the flexible pipe 19b fluidly connects the second heat exchanger (the main condenser) 16 with the compressing device 17.
- the flexible pipe 19c fluidly connects the third heat exchanger 20 (the auxiliary condenser) with the refrigerant expansion device 18 and then with the first heat exchanger (the evaporator) 15, while the flexible pipe 19d fluidly connects the third heat exchanger 20 (the auxiliary condenser) with the second heat exchanger (the main condenser) 16.
- Figure 3 differs from Figure 4 for the fact that Figures 3 shows all the elements (15,16,17,18 and 20) of the heat pump assembly 14 positioned inside the cabinet 2 of the heat pump laundry treatment apparatus 1 of the present invention, while, in Figure 4 the path of the flexible pipes 19a,19b,19c,19d has been changed, allowing in such a way the movement of some of the elements of the heat pump assembly 14.
- the first and second heat exchangers 15,16 i.e. the evaporator and the main condenser
- the refrigerant expansion device 18 has been extracted out from the cabinet being positioned between the first and second heat exchangers 15,16 and being fluidly connected to both of them through said connecting pipes 19c,19d,
- the refrigerant expansion device 18 could be extracted from the cabinet 2 if a flexible pipe connection is provided between the auxiliary condenser 20 and the expansion device 18 and between the latter and the evaporator 15.
- the embodiment illustrated in Figures 2 to 4 shows that it is possible to extract at least some of the elements of the heat pump assembly 14, i.e., at least the evaporator 15 and/or the main condenser 16, and optionally the auxiliary condenser 14 20,
- the compressor device 17 still remains inside the cabinet 2, fluidly connected to the elements 15,16,18,20 of the heat pump assembly 14 that have been extracted out from the cabinet 2 of the heat pump laundry treatment apparatus 1 of the present invention.
- the compressor device 17 may be extracted from the cabinet 2 while leaving all the other heat pump elements 15, 16, 18, 20 inside the cabinet 2 without interrupting the fluid connection among the heat pump assembly elements, 15, 16, 17, 18, 20.
- the heat pump assembly 14 of the heat pump laundry treatment apparatus 1 may consists in first and second heat exchangers 15,16, compressing device 17 and refrigerant expansion device 18 only, without the presence of the third optional heat exchanger 20.
- both the first and second heat exchangers 15,16 are directly connected, on one side, to the compressing device 17 through, respectively, the flexible pipes 19a,19b and, on the other side, to the refrigerant expansion device 18 through, respectively, the flexible pipes 19c,19d.
- heat pump assembly 14 and the interposed refrigerant loop 11 would consist in the following loop: compressing device 17, flexible pipe 19b, second exchanger 16, flexible pipe 19d, refrigerant expansion device 18, flexible pipe 19c, first exchanger 15, flexible pipe 19a and back again to the compressing device 17.
- a first flexible pipe fluidly connects one of said first or second heat exchangers with the compressing device, and a second flexible pipe fluidly connects the other of said heat exchangers with the compressing device or the refrigerant expansion device.
- said first flexible pipe fluidly connects one of the first or second heat exchanger with the compressing device, and said second flexible pipe fluidly connects the same first or second heat exchanger with the refrigerant expansion device.
- said first or second heat exchanger being fluidly connected on one side with the compressing device and on the other side with the refrigerant expansion device, is allowed to be extracted from the heat pump laundry treatment apparatus, leaving the compressor and all the remaining components of the heat pump assembly inside the cabinet and still fluidly connected to said removed heat exchanger.
- Figure 5 shows a lateral view of the heat pump laundry treatment apparatus of Figure 1 , with parts removed for clarity.
- the evaporator 15 and the condenser 16 shown in Figure 5 have been extracted from the front portion of the basement 9 of the heat pump laundry treatment apparatus 1 of Figure 1 and are still connected to the compressing device 17 (still inside the cabinet 2) through flexible pipes 19a,19b while flexible pipe 19d connects the condenser 16 to the auxiliary condenser 20 that remains within the cabinet 2.
- Figure 5 is also shown the segment 13 comprised in the process air path 12 and removable from the cabinet 2; the segment 13 is positioned in the lower part of the cabinet 2 and has an enclosure 22 for housing the first and the second heat exchangers 15,16.
- the segment 13 has a box-like structure 23 comprising an handle 24 which allows the user, when he/she grasps it, to easily extract the segment 13 out of the cabinet 12.
- the refrigerant expansion device 18 On the segment 13 is also mounted the refrigerant expansion device 18.
- the segment 13 is slidably mounted onto the basement 9 which supports the operational components 3, 12, 14; in fact, in greater detail, the segment 13 is mounted onto the basement 9 through a carriage 25 which is movable along a couple of driving rails 26 by the insertion into each of them of the corresponding downwards protuberances 29 of the carriage 25 positioned in the lower portion of the carriage 25 itself (in Figure 5 only one of such protuberances and only one driving rail are shown).
- Figure 7 shows in perspective view an alternative embodiment of the heat pump laundry treatment apparatus 1 of the present invention, wherein is visible the panel 28 for closing the opening 33 for the removal of the segment 13 shown in Figures 5 and 6 .
- the panel 28 and the corresponding opening 33 are laterally positioned, while in Figures 4 and 5 the similar opening 27 is visible in the front portion of the basement 9 of the heat pump laundry treatment apparatus 1.
- the user may easily access to the lateral opening 33 dimensioned for being passed through by the cited above removable heat pump members 15,16,18,20 of the heat pump assembly 14.
- the compressing device 17 has a flange portion 30 provided with threaded fixing devices 31 for removably fixing the compressing device 17 onto the basement 9 which supports the operational components 3, 12, 14.
- the compressing device 17 is offset, i.e. staggered, relative to the opening 27 of the embodiment shown in Figures 4 and 5 or relative to the opening 33 of the embodiment shown in Figure 7 .
- the compressing device 17 is not placed in the basement area just in front of the opening 27 or 33 but it is placed in a basement region which is on a side of the basement area in front of the opening 27 or 33.
- the lower supporting basement 9 is also preferably structured so to directly support the electric motor 5.
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- Detail Structures Of Washing Machines And Dryers (AREA)
Claims (15)
- Dispositif de traitement du linge à pompe à chaleur (1), en particulier un sèche-linge à pompe à chaleur ou une machine à laver à pompe à chaleur présentant une fonction de séchage, comprenant une armoire (2) hébergeant des composants opérationnels (3, 12, 14) permettant d'exécuter une opération de séchage sur du linge, les composants opérationnels (3, 12, 14) comprenant un tambour à linge rotatif (3) destiné à traiter du linge en utilisant de l'air de traitement, le tambour (3) étant accessible à l'utilisateur par une porte (4) du dispositif (1), le dispositif de traitement du linge (1) comprenant :un trajet d'air de traitement (12) destiné à transporter l'air de traitement à travers de tambour (3),un ensemble de pompe à chaleur (14) comportant des éléments (15, 16, 17, 18) comprenant un premier et un deuxième échangeur de chaleur (15, 16) agencés dans le trajet d'air de traitement (12), un dispositif de compression (17), un dispositif d'expansion de réfrigérant (18) et une boucle à réfrigérant (11) reliant fluidiquement les éléments (15, 16, 17, 18) de l'ensemble de pompe à chaleur (14) pour faire circuler un fluide réfrigérant à travers lesdits éléments (15, 16, 17, 18),caractérisé en ce qu'au moins l'un des éléments de pompe à chaleur (15, 16, 17, 18) peut être au moins partiellement retiré de l'armoire, laissant à l'intérieur de l'armoire (2) les éléments de pompe à chaleur (15, 16, 17, 18) restants, auxquels ledit élément de pompe à chaleur (15, 16, 17, 18) au moins partiellement amovible est relié par le biais de tuyaux souples (19) de la boucle à réfrigérant (11), et maintenant ledit élément de pompe à chaleur (15, 16, 17, 17) au moins partiellement amovible relié à la boucle à réfrigérant (11).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 1, dans lequel l'armoire (2) comporte une ouverture (27) dimensionnée pour être traversée par l'élément de pompe à chaleur au moins partiellement amovible (15, 16, 17, 18).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 1 ou 2, dans lequel un premier tuyau souple (19a) relie fluidiquement l'un des échangeurs de chaleur (15, 16) au dispositif de compression (17), et un deuxième tuyau souple (19b) relie fluidiquement l'autre desdits échangeurs de chaleur (15, 16) au dispositif de compression (17) ou au dispositif d'expansion de réfrigérant (18).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel un premier tuyau souple (19a, 19b) relie fluidiquement l'un des échangeurs de chaleur (15, 16) au dispositif de compression (17), et un deuxième tuyau souple (19c, 19d) relie fluidiquement les mêmes échangeurs de chaleur (15, 16) au dispositif d'expansion de réfrigérant (18).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel ledit au moins un élément de pompe à chaleur (15, 16, 18) peut être retiré de l'armoire en modifiant le trajet desdits tuyaux souples (19).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel l'ensemble de pompe à chaleur (14) comprend en outre un troisième échangeur de chaleur (20) agencé dans ledit circuit de réfrigérant (11), entre ledit deuxième échangeur de chaleur (16) et ledit dispositif d'expansion de réfrigérant (18), ledit troisième échangeur de chaleur (20) étant relié fluidiquement au dispositif d'expansion de réfrigérant (18) et au deuxième échangeur de chaleur (16) par des tuyaux souples (19c, 19d).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel ledit trajet d'air de traitement (12) comprend un segment (13) comportant un boîtier (22) destiné à accueillir les premier et deuxième échangeurs de chaleur (15, 16), ledit segment (13) pouvant être retiré de l'armoire (2).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 7, dans lequel le segment (13) comporte une structure du genre boîte (23) comprenant une poignée (24).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 7 ou 8, dans lequel le dispositif d'expansion de réfrigérant (18) est monté sur ledit segment (13).
- Dispositif de traitement du linge à pompe à chaleur selon l'une des revendications 7 à 9, dans lequel ledit segment (13) est positionné dans la partie inférieure de l'armoire (2).
- Dispositif de traitement du linge à pompe à chaleur selon l'une quelconque des revendications 7 à 10, dans lequel ledit segment (13) est monté de façon coulissante sur une base (9) supportant les composants opérationnels (3, 12, 14).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 11, dans lequel ledit segment (13) est monté sur la base (9) par un chariot (25) déplaçable le long d'au moins un rail d'entraînement (26).
- Dispositif de traitement du linge à pompe à chaleur selon la revendication 2 ou l'une quelconque des revendications précédentes dépendante de la revendication 2, dans lequel l'ouverture (27, 33) est fermée par un panneau mobile (28).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel ledit dispositif de compression (17) comporte une partie de bridage (30) pourvue de moyens de fixation filetés (31) pour fixer de façon amovible le dispositif de compression (17) sur une base (9) supportant les composants opérationnels (3, 12, 14).
- Dispositif de traitement du linge à pompe à chaleur selon l'une ou plusieurs des revendications précédentes, dans lequel ledit dispositif de compression (17) est décalé par rapport à ladite ouverture (27, 33).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13166249.6A EP2799612B1 (fr) | 2013-05-02 | 2013-05-02 | Appareil de traitement du linge à pompe à chaleur |
PCT/EP2014/058184 WO2014177432A1 (fr) | 2013-05-02 | 2014-04-23 | Appareil de traitement de linge par thermopompe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13166249.6A EP2799612B1 (fr) | 2013-05-02 | 2013-05-02 | Appareil de traitement du linge à pompe à chaleur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2799612A1 EP2799612A1 (fr) | 2014-11-05 |
EP2799612B1 true EP2799612B1 (fr) | 2015-12-09 |
Family
ID=48236717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13166249.6A Active EP2799612B1 (fr) | 2013-05-02 | 2013-05-02 | Appareil de traitement du linge à pompe à chaleur |
Country Status (2)
Country | Link |
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EP (1) | EP2799612B1 (fr) |
WO (1) | WO2014177432A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11186943B2 (en) | 2017-10-09 | 2021-11-30 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015111436A1 (de) * | 2015-07-15 | 2017-01-19 | Miele & Cie. Kg | Wäschetrockner |
SI3665324T1 (sl) | 2017-08-09 | 2021-08-31 | Electrolux Proffesional AB (publ) | Sušilnik perila |
JP7089030B2 (ja) | 2017-08-09 | 2022-06-21 | エレクトロラックス プロフェッショナル アクティエボラーグ(パブリーク) | タンブル乾燥機 |
CN109355867B (zh) * | 2018-11-08 | 2022-11-15 | 青岛海尔洗衣机有限公司 | 一种洗衣机及其水泵组件的拆装方法 |
KR20220114269A (ko) * | 2021-02-08 | 2022-08-17 | 엘지전자 주식회사 | 의류처리장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4212697B4 (de) * | 1992-04-16 | 2005-12-01 | AEG Hausgeräte GmbH | Wäschetrockner mit einem Wärmepumpenkreis |
DE4212700A1 (de) | 1992-04-16 | 1993-10-21 | Licentia Gmbh | Wäschetrockner mit einem Wärmepumpenkreis |
TWI294473B (en) * | 2002-10-16 | 2008-03-11 | Matsushita Electric Ind Co Ltd | Washing and drying machine |
JP2009219789A (ja) * | 2008-03-18 | 2009-10-01 | Toshiba Corp | 洗濯乾燥機 |
US8490438B2 (en) * | 2009-02-05 | 2013-07-23 | Lg Electronics Inc. | Laundry treatment device |
EP2443983B1 (fr) * | 2012-01-27 | 2020-06-17 | V-Zug AG | Appareil ménager doté d'une pompe à chaleur installée en bas |
-
2013
- 2013-05-02 EP EP13166249.6A patent/EP2799612B1/fr active Active
-
2014
- 2014-04-23 WO PCT/EP2014/058184 patent/WO2014177432A1/fr active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11186943B2 (en) | 2017-10-09 | 2021-11-30 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
US11761141B2 (en) | 2017-10-09 | 2023-09-19 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
Also Published As
Publication number | Publication date |
---|---|
EP2799612A1 (fr) | 2014-11-05 |
WO2014177432A1 (fr) | 2014-11-06 |
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