EP2650425A1 - Machine pour sécher le linge - Google Patents

Machine pour sécher le linge Download PDF

Info

Publication number
EP2650425A1
EP2650425A1 EP12163954.6A EP12163954A EP2650425A1 EP 2650425 A1 EP2650425 A1 EP 2650425A1 EP 12163954 A EP12163954 A EP 12163954A EP 2650425 A1 EP2650425 A1 EP 2650425A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
machine
heat
laundry
pipe
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.)
Granted
Application number
EP12163954.6A
Other languages
German (de)
English (en)
Other versions
EP2650425B1 (fr
Inventor
Walter Cerrato
Alberto Lazzarin
Christian Montebello
Paolo Ros
Alessandro Vian
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 Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP12163954.6A priority Critical patent/EP2650425B1/fr
Priority to PCT/EP2013/057428 priority patent/WO2013153080A1/fr
Publication of EP2650425A1 publication Critical patent/EP2650425A1/fr
Application granted granted Critical
Publication of EP2650425B1 publication Critical patent/EP2650425B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D06F58/08—Driving 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 concerns the technical field of laundry treating machines, especially laundry drying machines.
  • the present invention refers to laundry drying machines of the condenser type.
  • Laundry treating machines capable of carrying out a drying process on laundry generally comprise a casing that houses a laundry container, like a rotating drum, where laundry to be treated is received and a closed air stream circuit for carrying out drying operation by circulating hot air through the laundry container containing the wet laundry.
  • the rotating drum is typically rotated by an electric motor which transmits the rotating motion to the drum, for example by means of a belt/pulley system.
  • a heating device for heating up the air stream is advantageously arranged upstream of the rotating drum.
  • An air circulating device typically a fan, is provided in the air stream circuit for circulating the hot hair.
  • dryers further comprise condensing means provided in the air stream circuit for removing moisture from warm humid air that leaves the drum.
  • the warm humid air is both cooled down and dehumidified by the condensing means.
  • the heating device and the condensing means are, respectively, the condenser and the evaporator of a heat pump system.
  • a compressor connects the evaporator outlet to the condenser inlet while expansion means, for example an expansion valve, connects the condenser outlet to the evaporator inlet.
  • the compressor is typically powered by an electric motor.
  • the motor which drives the rotating drum and the motor of the compressor are typically speed controlled electric motors and are preferably controlled by respective inverter motor controls.
  • the inverters In operation, the inverters generate a large amount of heat which increases their working temperature.
  • the inverters In order to keep the working temperatures of the inverters below a safety limit the inverters are usually provided with heat dissipators, for example finned sheet metal structures, directly mounted on the inverters.
  • the heat is dissipated by conduction and natural convention.
  • Known dryers further comprise a control unit which is advantageously connected to the various parts of the dryer in order to ensure its operation.
  • the control unit typically comprises a printed circuit board that supports the electric and/or electronic devices which assure functioning of the peripheral units.
  • Such electric and/or electronic devices usually also generate heat and are therefore opportunely provided with proper designed heat dissipators.
  • a first drawback posed by this known technique is constituted by the fact that the heat dissipators are bulky.
  • Another drawback posed by this known technique is constituted by the fact that increasing of temperature may cause failure of the inverters or of the other electric and/or electronic devices of the dryer.
  • a further drawback posed by this known technique is constituted by the fact that heat dissipation reduces the energy efficiency of the dryer. This causes, in turn, a higher power consumption and higher costs.
  • the main object of the present invention is therefore to overcome said drawbacks.
  • Another object of the present invention is to provide a laundry drying machine with a lower failure rate with respect to the laundry drying machines of known type.
  • a further object of the present invention is to provide a laundry drying machine with reduced power consumption with respect to the laundry drying machines of known type.
  • Another object of the present invention is to provide a laundry drying machine with higher energy efficiency with respect to the laundry drying machines of known type.
  • a laundry drying machine comprising a laundry chamber suitable for receiving the laundry to be dried, an air stream circuit for circulating an air stream through said laundry chamber and provided with a heat pump system for heating up said air stream conveyable into said container and for dehumidifying the moist air of said air stream coming from said laundry chamber, wherein a portion of said heat pump system is subjected to a heat exchange with heat generated by an electric and/or electronic device of said machine it is possible to obtain a laundry drying machine having a reduced constructional complexity.
  • the present invention relates, therefore, to a laundry drying machine comprising a laundry chamber suitable for receiving the laundry to be dried, an air stream circuit for circulating an air stream through said laundry chamber and a heat pump system comprising:
  • the portion of the heat pump system and the cooling member are mutually arranged so that heat transfer between them takes place by conduction.
  • the portion comprises a portion of a pipe arranged between the second heat exchanger and the inlet compressor.
  • the portion comprises a portion of a pipe arranged between the expansion device outlet and said second heat exchanger.
  • the portion comprises a portion of a pipe connected in series to the second heat exchanger.
  • the portion comprises a portion of a pipe arranged in parallel to the second heat exchanger.
  • the second heat exchanger comprises a pipe and the portion comprises a portion of such pipe.
  • the portion comprises a serpentine pipe.
  • the auxiliary heat exchanger further comprises a support member for the portion of the pipe, the support member being suitable for fixing the portion to the cooling member and suitable for increasing the heat exchanging surface between the portion and the cooling member.
  • the support member comprises a thermally conductive material.
  • the cooling member comprises a thermally conductive material.
  • the cooling member comprises a metallic plate.
  • the system further comprises a thermal conducting paste arranged between the support member and the cooling member.
  • the electric and/or electronic device comprises an inverter motor control.
  • the inverter motor control controls the speed of a motor of the compressor.
  • the laundry chamber is a rotatable laundry container and the inverter motor control controls the speed of a motor suitable for rotating the rotatable laundry container.
  • the first heat exchanger is a condenser or a gas cooler.
  • the second heat exchanger is an evaporator or a gas heater.
  • the dehumidified air coming from the second heat exchanger is conveyed again to the first heat exchanger so as to create a closed loop air stream circuit.
  • the heat pump system is received in a basement portion of the machine.
  • the basement comprises a first area suitable for receiving the first heat exchanger and the second heat exchanger and at least a second area, separated from the first area, suitable for receiving at least the compressor and the expansion device.
  • the present invention has proved to be particularly successful when applied to a front-loading drying machine with a rotatable laundry container; however it is clear that the present invention can be applied as well to a top-loading drying machine and also to laundry drying machines of cabinet type, i.e. laundry drying machines where the laundry container does not rotate.
  • reference number 1 indicates as a whole a laundry drying machine 1, or dryer, according to the present invention.
  • the dryer 1 preferably comprises, though not necessarily, a substantially parallelepiped-shaped outer boxlike casing 2 which is preferably structured for resting on the floor and a preferably, though not necessarily, substantially cylindrical rotatable drum 9 which is structured for housing the laundry to be dried.
  • the drum 9 preferably has its front opening or mouth directly facing a laundry loading/unloading pass-through opening provided in the front wall 2a of the boxlike casing 2.
  • a front door 8, pivotally coupled to the front upright side wall 2a, is provided for allowing access to the drum interior region to place laundry to be dried therein.
  • the dryer 1 preferably furthermore comprises an electric motor assembly 11 which is structured for driving into rotation the rotatable drum 9 about its longitudinal reference axis, preferably by means of a belt/pulley system.
  • the electric motor assembly 11 preferably comprises an electric motor M1 and an inverter motor control so that the speed of the electric motor M1, and therefore the rotational speed of the drum 9, may be controlled.
  • the dryer 1 is provided with an air stream circuit 10, schematically illustrated with dashed line in Figure 9 , which is structured to circulate inside the drum 9 a stream of hot air having a low moisture content.
  • the hot air circulates over and through the laundry located inside the drum 9 to dry the laundry.
  • the air stream circuit 10 is also structured for drawing moist air from the drum 9, cooling down the moist air leaving the drum 9 so to extract and retain the surplus moisture.
  • the dehumidified air is heated up to a predetermined temperature preferably higher than that of the moist air arriving from the drum 9. Finally the heated, dehumidified air is conveyed again into the drum 9, where it flows over the laundry stored inside the rotatable drum 9 to rapidly dry the laundry, as said above.
  • the air stream circuit 10 forms therefore a closed loop.
  • a fan 12 is preferably arranged along the circuit 10 for generating the air stream, more preferably upstream of the drum 9.
  • the dryer 1 is preferably provided with a heat pump system 20 interacting with the air stream circuit 10.
  • the heat pump system 20 advantageously comprises a condenser 21, an expansion device 22, an evaporator 23 and a compressor 24.
  • the heat pump system 20 forms also a closed loop.
  • the expansion device 22 preferably comprises a capillary tube.
  • the expansion device may be of different type, for example an expansion valve.
  • the compressor 24 preferably comprises a variable speed electric motor M2, not visible in the figures.
  • the compressor motor M2 is advantageously arranged inside the compressor casing 124.
  • the compressor 24 also preferably comprises an inverter motor control 25 so that the speed of the compressor motor M2 may be controlled.
  • different electric and/or electronic devices may be provided for controlling the speed of the compressor motor M2.
  • the condenser 21 and the evaporator 23 are heat exchangers.
  • heat exchangers are of the serpentine type, as illustrated in Figure 3 , comprising respective pipe 150, 151 corrugated in a zigzag pattern.
  • the air stream circuit 10 and the heat pump system 20 are thermally coupled by the condenser 21 and the evaporator 23.
  • refrigerant An evaporating and condensing fluid, known as refrigerant, flows in the heat pump system 20.
  • refrigerant flows counter-clockwise in a closed loop.
  • the refrigerant is compressed and heated by the compressor 24. From the compressor outlet 24b the heated refrigerant in its gaseous state reaches the condenser 21. In the condenser 21 the refrigerant condenses and cools down while the air stream of the air stream circuit 10 which is blown across the condenser 21 is heated up. The condensed refrigerant then passes through the expansion device 22 where its pressure abruptly decreases and resulting in a mixture of liquid and vapour at a lower temperature and pressure. The cold liquid-vapour mixture from the expansion device outlet 22b then travels through the evaporator pipe 150 of the evaporator 23 and here is heated up and partially, or totally, vaporized.
  • the first heat exchanger may comprises a gas cooler and the second heat exchanger may comprises a gas heater.
  • the refrigerant is advantageously a gas, such as CO 2 , which maintains its gaseous state along all the closed-loop circuit, and in particular in the gas cooler and in the gas heater.
  • the gas temperature changes while passing through the gas cooler and the gas heater.
  • the components of the air stream circuit 10 and of the heat pump system 20 are arranged in a bottom portion 14 of dryer 1, or basement, as illustrated in Figures 2 and 3 .
  • the basement 14 is preferably made of polymeric material.
  • the basement 14 preferably comprises a lower shell 54, as better visible in Figure 3 , and an upper shell 55, opportunely coupled one to the other, as visible in Figure 2 .
  • the basement 14 of the dryer 1 receives the connecting pipes of the heat pump system 12 which connect the condenser 21, the expansion device 22, the evaporator 23 and the compressor 24.
  • the basement 14 also preferably receives a cooling-air fan 45, visible in Figure 3 , which advantageously conveys a cooling air stream inside the basement 14, and in particular an air stream for cooling the compressor 24.
  • the basement 14 of the dryer 1 is also opportunely shaped to form air paths for the air stream circuit 10.
  • Such air paths opportunely convey the air across the heat exchangers, i.e. the condenser 21 and the evaporator 23.
  • the lower shell 54 and the upper shell 55 are coupled so as to create a channel 56 for the air crossing the evaporator 23 and the condenser 21.
  • the air stream, and in particular the moist air reaching the evaporator 23, is therefore advantageously confined inside the channel 56 and does not reach other part of the machine 1.
  • the basement 14, therefore, substantially defines a first area for receiving the evaporator 23 and the condenser 21 which are crossed by the air stream and a second separated area for other parts of the machine 1, such as the compressor 24, the expansion device 22, the inverter motor control 25, etc..
  • the basement 14 may preferably receive other operational devices of the dryer 1, like the air stream fan 12, the drum-rotating electric motor M1 and other functional devices.
  • the basement 14 may receive one or more printed circuit board with electric and/or electronic devices mounted thereon. Still advantageously, these devices are not reached by the moist air of the air stream which is confined inside the channel 56.
  • the inverter motor control 25 preferably comprises a first printed board 27 on which the inverter motor control devices 58 are mounted, as illustrated in Figures 8 and 9 .
  • a thermally conductive member 57 is associated to the inverter motor control devices 58.
  • the thermally conductive member 57 preferably comprises a thermally conductive metallic plate, such as an alloy plate.
  • the thermally conductive member 57 is preferably in contact with a component 59 of the inverter motor control devices 58 which is subjected to the highest heating, such as an electronic switch, or IGBT, as illustrated in Figure 8 .
  • inverter motor control devices 58 The heat produced by inverter motor control devices 58 is transferred to the cooling member 57.
  • a cover 26 advantageously protects the devices 58 mounted of the first printed board 27.
  • An analogue separated printed circuit board preferably receives the inverter motor control of the drum-rotating electric motor M1.
  • the two inverter motor controls may be advantageously both mounted on a common single printed circuit board.
  • a portion 31 of the pipe 30 connecting the evaporator outlet 23a to the compressor inlet 24a is thermally coupled to the inverter motor control 25 of the compressor electric motor M2.
  • the portion 31 of the pipe 30 is thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction.
  • the portion 31 of the pipe 30 is corrugated in a zigzag pattern forming a serpentine type portion.
  • the portion 31 of the pipe 30 is preferably embedded in a box-like support member 32.
  • the support member 32 is advantageously made by a thermally conductive material, such as alloy or a metal.
  • the support member 32 and the portion 31 may be advantageously obtained by die-casting and advantageously form an integral unit.
  • the support member 32 preferably comprises holes 34 for receiving fixing means, such as screws, used for fixing the support member 32 to the cooling member 57 of the inverter motor control 25.
  • An interface element 33 is preferably interposed between the support member 32 and the cooling member 57.
  • the interface element 33 may be, for example, a thermal conductive plate or a thermal conducting paste.
  • the support member 32 is advantageously made by a thermally conductive material, such as alloy.
  • the interface element 33 is advantageously made by a thermally conductive material, such as alloy.
  • the portion 31 of the pipe 30 and the cooling member 57 substantially form an auxiliary exchanger disposed downstream of the main evaporator 23 of the heat pump system 20.
  • the main evaporator 23 and the auxiliary exchanger are, therefore, connected in series.
  • the portion 31 of the pipe 30 is thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction.
  • the heat is transferred by conduction from the cooling member 57 to the interface element 33, the support member 32 and finally to the portion 31 of the pipe 30.
  • the heat transfer may be obtained by arranging differently the portion 31 of the pipe 30.
  • the portion 31 of the pipe 30 may be arranged directly in contact with the cooling member 57.
  • the thermal conductivity between the portion 31 and the cooling member 57 is enhanced by the support member 32 which increases the thermal transfer surface.
  • the inverter motor control 25 In operation, the inverter motor control 25 generates a large amount of heat and, according to the invention, such a heat is the transferred to the cooling member 57 and from there removed by the auxiliary exchanger. This implies a heat exchange between the inverter motor control 25 and the refrigerant of the heat pump system 20.
  • the dimensions of the cooling member 57 may, therefore, be kept at low values.
  • dissipation of the heat generated by the inverter motor control 25 does not require any bulky dissipator, such as the finned metal dissipator of the known systems.
  • the heat dissipation system of the present invention has therefore a reduced constructional complexity with respect to the systems of known type. Furthermore, the efficient removing of the heat allows the layout optimization of the devices 58. Therefore, the overall size of the inverter motor control 25 may be reduced with respect to the inverter of the known type.
  • the heat removed from the inverter motor control 25 is advantageously transferred to the heat pump system 20 thus increasing its efficiency.
  • the heat removed from the inverter motor control 25 is advantageously transferred to the refrigerant coming from the evaporator 23 and conveyed to the compressor 24.
  • the temperature of the refrigerant at the evaporator outlet 23a may be kept lower than the temperature of the known heat pump systems, which is close to the dew point of the refrigerant, so that the efficiency of the evaporator 23 and of the overall heat pump system 20 is increased.
  • the evaporator 23 may work more efficiently with the refrigerant inside it which is maintained at least partially liquid. This increases the heat exchange efficiency between the evaporator 23 and the warm moist air stream.
  • the heat transferred from the inverter motor control 25 to the refrigerant by the auxiliary exchanger assures the absence of liquid in the refrigerant before it reaches the compressor 24. This ensure the correct functioning of the compressor 24 with a consequent increase of system reliability and lifetime.
  • the evaporator 23 may normally work so that at the evaporator outlet 23a the refrigerant is completely vaporized, as in the heat pump systems of the known type.
  • the auxiliary exchanger will further heat the vaporized refrigerant thus assuring the absence of liquid in the refrigerant before it reaches the compressor 24. This guarantees the correct functioning of the compressor 24 with a consequent increase of system reliability and lifetime.
  • a portion 41 of the pipe 40 connecting the expansion device 22 to the evaporator inlet 23b is thermally coupled to the inverter motor control 25 of the compressor electric motor M2.
  • the portion 41 of the pipe 40 is corrugated in a zigzag pattern forming a serpentine type portion.
  • the portion 41 is preferably surrounded by a box-like support member 32, as described above with reference to the first embodiment.
  • the portion 41 of the pipe 40 is thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction, as explained above with reference to the first preferred embodiment.
  • the portion 41 of the pipe 40 and the cooling member 57 substantially form an auxiliary exchanger disposed upstream of the main evaporator 23 of the heat pump system 120.
  • the main evaporator 23 and the auxiliary exchanger are, therefore, connected in series.
  • the heat generated by the inverter motor control devices 58 is removed by the auxiliary exchanger. This implies a heat exchange between the inverter motor control 25 and the refrigerant of the heat pump system 120.
  • dissipation of the heat generated by the inverter motor control 25 does not require any bulky dissipator, such as a finned metal dissipator of the known systems.
  • the heat dissipation system of the present invention has therefore a reduced constructional complexity with respect to the systems of known type. Furthermore, the efficient removing of the heat allows the layout optimization of the devices 58. Therefore, the overall size of the inverter motor control 25 may be reduced with respect to the inverter of the known type.
  • part of the cold liquid-vapour mixture coming from the expansion device 22 is diverted to a pipe portion 51 which is thermally coupled to the inverter motor control 25 of the compressor electric motor M2.
  • the pipe portion 51 is then connected to the pipe 30 connecting the evaporator 23 to the compressor 24.
  • the pipe portion 51 is corrugated in a zigzag pattern forming a serpentine type portion.
  • the portion 51 is preferably surrounded by a box-like support member 32, as described above with reference to the first embodiment.
  • the pipe portion 51 is thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction, as explained above with reference to the first preferred embodiment.
  • the pipe portion 51 and the cooling member 57 substantially form an auxiliary exchanger disposed in parallel to the main evaporator 23 of the heat pump system 220.
  • the heat generated by the inverter motor control devices 58 is removed by the auxiliary exchanger. This implies a heat exchange between the inverter motor control 25 and the refrigerant of the heat pump system 220.
  • dissipation of the heat generated by the inverter motor control 25 does not require any bulky dissipator, such as a finned metal dissipator of the known systems.
  • the heat dissipation system of the present invention has therefore a reduced constructional complexity with respect to the systems of known type. Furthermore, the efficient removing of the heat allows the layout optimization of the devices. Therefore, the overall size of the inverter motor control 25 may be reduced with respect to the inverter of the known type.
  • a portion 61 of the pipe 30 connecting the evaporator outlet 23a to the compressor inlet 24a is thermally coupled to the inverter motor control 25 of the compressor electric motor M2.
  • the cooling member 57 of the inverter motor control 25 is positioned in contact with such portion 61 of the pipe 30.
  • the portion 61 of the pipe 30 is thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction.
  • the pipe portion 61 and the cooling member 57 substantially form an auxiliary exchanger disposed in series to the main evaporator 23 of the heat pump system 320.
  • the heat generated by the inverter motor control devices 58 is removed by the auxiliary exchanger. This implies a heat exchange between the inverter motor control 25 and the refrigerant of the heat pump system 320.
  • dissipation of the heat generated by the inverter motor control 25 does not require any bulky dissipator, such as a finned metal dissipator of the known systems.
  • the heat dissipation system of the present invention has therefore a reduced constructional complexity with respect to the systems of known type. Furthermore, the efficient removing of the heat allows the layout optimization of the devices 58. Therefore, the overall size of the inverter motor control 25 may be reduced with respect to the inverter of the known type.
  • the heat removed from the inverter motor control 25 is advantageously transferred to the heat pump system 320 thus increasing its efficiency.
  • the heat removed from the inverter motor control 25 is advantageously transferred to the refrigerant coming from the evaporator 23 and conveyed to the compressor 24.
  • the temperature of the refrigerant at the evaporator outlet 23a may be kept lower than the temperature of the known heat pump systems, which is close to the dew point of the refrigerant, so that the efficiency of the evaporator 23 and of the overall heat pump system 20 is increased.
  • the evaporator 23 may work more efficiently with the refrigerant inside it which is maintained at least partially liquid. This increases the heat exchange efficiency between the evaporator 23 and the warm moist air stream.
  • the heat transferred from the inverter motor control 25 to the refrigerant by the auxiliary exchanger assures the absence of liquid in the refrigerant before it reaches the compressor 24. This ensure the correct functioning of the compressor 24 with a consequent increase of system reliability and lifetime.
  • the evaporator 23 may normally work so that at the evaporator outlet 23a the refrigerant is completely vaporized, as in the heat pump systems of the known type.
  • the auxiliary exchanger will further heat the vaporized refrigerant thus assuring the absence of liquid in the refrigerant before it reaches the compressor 24. This guarantees the correct functioning of the compressor 24 with a consequent increase of system reliability and lifetime.
  • the pipe 150 of the evaporator 23 is thermally coupled to the inverter motor control 25 of the compressor electric motor M2.
  • a cooling member 77 of the inverter motor control 25 is directly positioned in contact with the pipe 150 of the evaporator 23.
  • the pipe 150 of the evaporator 23 is therefore thermally coupled to the inverter motor control 25 so that the heat between the two parts is transferred by heat conduction.
  • the inverter motor control 25 preferably comprises a printed board on which the inverter motor control devices 58 are mounted.
  • the printed board and the devices 58 mounted thereon are preferably separated from the evaporator 23 and from the condenser 21.
  • a separating wall 80 which is preferably part of the basement 14, not illustrated, separates the devices 58 from the evaporator 23, the condenser 21 and therefore from the moist air stream.
  • the devices 58 are advantageously not reached by the moist air which crosses the evaporator 23 and the condenser 21 while only the cooling member 77 may be reached by such moist air.
  • dissipation of the heat generated by the inverter motor control 25 does not require any bulky dissipator, such as a finned metal dissipator of the known systems.
  • the heat dissipation system of the present invention has therefore a reduced constructional complexity with respect to the systems of known type. Furthermore, the efficient removing of the heat allows the layout optimization of the devices 58. Therefore, the overall size of the inverter motor control 25 may be reduced with respect to the inverter of the known type.
  • a laundry drying machine has an efficient arrangement for its components. Thanks to this arrangement, dissipation of the heat generated by any electric and/or electronic device of the machine does not require bulky and expensive heat dissipator. Furthermore, the heat generated by the electric and/or electronic device of the machine may be recovered by the heat pump system thus increasing the system efficiency.
  • the present invention allows all the set objects to be achieved.
  • it makes it possible to obtain a laundry drying machine having a reduced constructional complexity and a higher energy efficiency with respect to the systems of known type.
EP12163954.6A 2012-04-12 2012-04-12 Machine pour sécher le linge Active EP2650425B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12163954.6A EP2650425B1 (fr) 2012-04-12 2012-04-12 Machine pour sécher le linge
PCT/EP2013/057428 WO2013153080A1 (fr) 2012-04-12 2013-04-10 Machine à sécher le linge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12163954.6A EP2650425B1 (fr) 2012-04-12 2012-04-12 Machine pour sécher le linge

Publications (2)

Publication Number Publication Date
EP2650425A1 true EP2650425A1 (fr) 2013-10-16
EP2650425B1 EP2650425B1 (fr) 2018-11-21

Family

ID=48050731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12163954.6A Active EP2650425B1 (fr) 2012-04-12 2012-04-12 Machine pour sécher le linge

Country Status (2)

Country Link
EP (1) EP2650425B1 (fr)
WO (1) WO2013153080A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2801654A1 (fr) * 2013-05-07 2014-11-12 Miele & Cie. KG Sèche-linge doté d'un tambour monté en rotation dans un boîtier
US20210010195A1 (en) * 2017-11-28 2021-01-14 Electrolux Laundry Systems Sweden Ab Tumble dryer
CN114182474A (zh) * 2021-11-30 2022-03-15 珠海格力电器股份有限公司 一种带热泵烘干功能的洗衣机及烘干控制方法
EP4039861A1 (fr) * 2021-02-08 2022-08-10 LG Electronics Inc. Appareil de traitement du linge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003265889A (ja) * 2002-03-19 2003-09-24 Sanyo Electric Co Ltd 洗濯乾燥機
US20050198852A1 (en) * 2004-03-10 2005-09-15 Sanyo Electric Co., Ltd. Drying machine
DE102005062940A1 (de) * 2005-12-29 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken
EP2341180A1 (fr) * 2009-12-29 2011-07-06 Electrolux Home Products Corporation N.V. Système de pompe à chaleur pour sèche-linge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642165A1 (de) * 1996-10-12 1998-04-16 Kulmbacher Klimageraete Wäschetrockner mit einem Wärmepumpenkreis
EP2519686B1 (fr) * 2009-12-31 2016-08-10 Arçelik Anonim Sirketi Sèche-linge à pompe à chaleur
EP2549007B1 (fr) * 2011-07-22 2020-02-26 Electrolux Home Products Corporation N.V. Appareil de traitement de linge à pompe thermique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003265889A (ja) * 2002-03-19 2003-09-24 Sanyo Electric Co Ltd 洗濯乾燥機
US20050198852A1 (en) * 2004-03-10 2005-09-15 Sanyo Electric Co., Ltd. Drying machine
DE102005062940A1 (de) * 2005-12-29 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken
EP2341180A1 (fr) * 2009-12-29 2011-07-06 Electrolux Home Products Corporation N.V. Système de pompe à chaleur pour sèche-linge

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2801654A1 (fr) * 2013-05-07 2014-11-12 Miele & Cie. KG Sèche-linge doté d'un tambour monté en rotation dans un boîtier
US20210010195A1 (en) * 2017-11-28 2021-01-14 Electrolux Laundry Systems Sweden Ab Tumble dryer
US11913162B2 (en) * 2017-11-28 2024-02-27 Electrolux Professional AB (publ) Tumble dryer
EP4039861A1 (fr) * 2021-02-08 2022-08-10 LG Electronics Inc. Appareil de traitement du linge
CN114182474A (zh) * 2021-11-30 2022-03-15 珠海格力电器股份有限公司 一种带热泵烘干功能的洗衣机及烘干控制方法
CN114182474B (zh) * 2021-11-30 2022-08-26 珠海格力电器股份有限公司 一种带热泵烘干功能的洗衣机及烘干控制方法

Also Published As

Publication number Publication date
WO2013153080A1 (fr) 2013-10-17
EP2650425B1 (fr) 2018-11-21

Similar Documents

Publication Publication Date Title
EP3040470B1 (fr) Appareil de traitement de vêtements
EP3031976B1 (fr) Appareil de traitement de vêtements avec système de pompe à chaleur
US9207015B2 (en) Dryer having evaporator equipped with second condenser
JP4550747B2 (ja) 衣類乾燥機
US9146056B2 (en) Laundry treating apparatus having expansion valve which is variable according to the driving mode
EP3027800B1 (fr) Machine à laver
JP2005253588A (ja) 乾燥機
KR101718042B1 (ko) 의류건조기
JP2008048810A (ja) 衣類乾燥装置
US8458924B2 (en) Dryer with cooled motor
EP2650425B1 (fr) Machine pour sécher le linge
EP2692940A1 (fr) Procédé de séchage du linge dans un sèche-linge et sèche-linge
EP3294943B1 (fr) Appareil de traitement de linge
JP2011106723A (ja) 乾燥装置
US20210010195A1 (en) Tumble dryer
EP2312049B1 (fr) Sèche-linge avec système de pompe à chaleur
JP2004089413A (ja) 衣類乾燥装置
JP2004135752A (ja) 衣類乾燥装置
JP2008113944A (ja) 衣類乾燥機
EP3075898B1 (fr) Appareil de traitement du linge
JP2006296449A (ja) 洗濯乾燥機
JP2014023747A (ja) 衣類処理装置
JP3956825B2 (ja) 洗濯乾燥機
JP2011244924A (ja) 衣類乾燥機
JP2015123348A (ja) 乾燥機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20140416

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20160317

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180706

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602012053701

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1067652

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181215

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20181121

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1067652

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190221

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190221

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190321

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190321

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190222

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602012053701

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190412

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20120412

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181121

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230421

Year of fee payment: 12

Ref country code: DE

Payment date: 20230427

Year of fee payment: 12

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230625