EP3129540A1 - Trockner mit einer vibrationsarmen wärmepumpe und verfahren zu seinem betrieb - Google Patents
Trockner mit einer vibrationsarmen wärmepumpe und verfahren zu seinem betriebInfo
- Publication number
- EP3129540A1 EP3129540A1 EP15712609.5A EP15712609A EP3129540A1 EP 3129540 A1 EP3129540 A1 EP 3129540A1 EP 15712609 A EP15712609 A EP 15712609A EP 3129540 A1 EP3129540 A1 EP 3129540A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dryer
- vibration
- heat pump
- compressor
- pump cycle
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000003507 refrigerant Substances 0.000 claims description 45
- 238000001035 drying Methods 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/52—Preventing or reducing noise
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/62—Stopping or disabling machine operation
-
- 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
Definitions
- the invention relates to a dryer with a low-vibration heat pump and a method for its operation.
- the invention relates to a dryer with a drum for items to be dried; a process air cycle; a blower for conveying process air; a control unit and a heat pump cycle comprising an evaporator, a condenser, a throttle, a compressor and a piping system connecting them; and a preferred method for its operation.
- a dryer air by a fan via a heater in a moist objects containing drying chamber, usually a drum, passed. There, the hot air absorbs moisture from the objects to be dried. After passing through the drying chamber, the then warm moist process air is passed into a heat exchanger, which is generally preceded by a filter, in particular a lint filter, for filtering out dirt particles, in particular lint in the case of a tumble dryer or washer dryer.
- a filter in particular a lint filter
- the heat pump can serve to extract heat from the moist, warm process air, which is supplied by a corresponding heat sink, and to conduct this heat by means of a suitable pumping device to a heat source from which it returns to the process air before it acts on the objects to be dried.
- heat can also be removed by means of the heat sink from an environment of the dryer and fed to the process air via the heat source.
- a dryer equipped with a compressor-type heat pump (also referred to herein as a "compressor type")
- the cooling of the warm, moisture-laden process air essentially takes place in a heat sink Evaporator of the heat pump where the heat transferred is used to evaporate a refrigerant circulating in the heat pump.
- the vaporized refrigerant reaches the compressor where it is compressed.
- the refrigerant circulating in the refrigerant circuit is driven by the compressor, which supplies the energy necessary to operate the pumping process. From the compressor, the refrigerant passes to the condenser, where it is liquefied with the release of heat. The heat released heats the process air.
- the liquefied refrigerant flows through a throttle, where its internal pressure is reduced, back to the evaporator, which closes the circuit.
- the throttle is in particular executable as a valve, aperture or capillary. Often the heat pump cycle is operated capillary tube controlled.
- the condensed in the evaporator from the process air water is then generally collected in a suitable container.
- a heat pump tumble dryer generally includes a closed process air loop and a heat pump loop (also referred to herein as a "refrigerant loop").
- the heat pump cycle in addition to the two heat exchangers evaporator and condenser and the compressor (compressor) and the throttle in particular also a pipe system connecting these parts.
- the operation of the compressor introduces mechanical vibrations at certain frequencies (i.e., acceleration values) and amplitudes (i.e., deflections) into the heat pump cycle.
- the resonance frequencies of the heat pump cycle are taken into account in the design of the piping system to allow the longest possible and safe operation of the heat pump cycle and thus the dryer. Measures to compensate for the generated mechanical vibrations (also referred to herein as "vibrations”) are already known.
- EP 2 628 838 A1 describes a household appliance with a drying device such as a tumble dryer, a washer dryer or a dishwashing machine, the drying being carried out by or with the assistance of a heat pump arrangement which includes a rotary compressor, in particular a rotary compressor, and wherein at least one compressor is used as a vibration damper oscillatory mass assigned is net whose natural frequency is tuned to the torsional vibrations generated by the compressor.
- the compressor preferably comprises an at least approximately hollow cylindrical stator and the oscillatory mass is arranged at least around a part of the stator jacket around.
- EP 2 559 804 A1 and WO 2013/024127 A1 each describe a domestic appliance, in particular a dryer, which comprises a drive unit for a heat pump, in particular a compressor.
- the drive unit is connected via a mechanical fastening device with another component of the household appliance.
- the mechanical fastening device comprises an elastic grommet.
- a method for operating the drive unit in the household appliance in which a drive speed, in particular the rotational speed of a compressor, is limited to a value below a threshold value.
- JP 201 1 - 177 312 A describes a motor drive unit with a motor in which a vibration detector (vibration detector) is installed at a predetermined position in the motor and indicates a mechanical vibration of the motor, and a vibration output corrector which corrects the output of the vibration detector , This should be done during operation of the engine vibration suppression to avoid noise and to prevent deterioration of the machine.
- a vibration detector vibration detector
- U.S. Patent 5,836,165 describes an adaptive feedforward control system and method for reducing vibration generated by a pair of opposed reciprocating pistons, the control system being controlled by a sensor, in particular a vibration sensor, through the compressor pistons measures generated vibration forces and then generates correction signals, which are passed into the piston drive motors to compensate for the vibrations.
- EP 2 460 929 A1 describes a tumble dryer with a heat pump device which is coupled as a separate functional module to a side wall of the tumble dryer housing to guide the process air through the functional module, wherein the functional module comprises a separate housing and releasably coupled to the tumble dryer housing by means of the module housing is.
- the functional module comprises a separate housing and releasably coupled to the tumble dryer housing by means of the module housing is.
- a seal for sealing the process air circuit is arranged between the side wall of the dryer housing and the dryer-facing wall of the functional module housing surrounding the opening.
- the publication DE 10 2012 105 670 A1 describes a domestic appliance with a drying device, such as a tumble dryer, washer-dryer or dishwasher, wherein the drying is carried out by or with the assistance of a heat pump assembly comprising a rotary compressor, in particular a rotary compressor, by means of pipelines for transporting the refrigerant in the heat pump assembly is integrated.
- the high-pressure pipe is designed to receive the torsional vibrations generated by the compressor from the compressor to the heat exchanger meandering and / or spiral.
- the pipeline is arranged in two approximately mutually perpendicular planes, wherein a pipeline section lies in the first plane and a second pipeline section lies in the second plane.
- the publication DE 10 201 1 079 443 A1 describes a method for operating a heat pump dryer, in particular a circulating air heat pump dryer, wherein at least one operating parameter ( ⁇ , P) of a compressor is monitored, the compressor either with a constant speed ⁇ or a constant power P is operated and the power P or the rotational speed ⁇ is monitored accordingly.
- the operating parameters are monitored for abnormal increases or decreases in order to quickly detect a fault condition and take action.
- the publication DE 10 2008 01 1 454 A1 describes a compression heat pump with a compressor, a condenser, a decompression device, an evaporator, a closed piping circuit for connecting the aforementioned components, a circulating through the piping circuit and the above components refrigerant and a control device for controlling a Heat pump process, wherein the compressor is connected to a connected to the controller for controlling sensor for monitoring the operation of the compressor.
- the sensor measures operating parameters of the compressor and the control unit compares the measured values with at least one predefinable limit value. If a limit value is exceeded, the heat pump process is changed via an actuator in the heat pump cycle in such a way that the measured values fall below the limit value.
- a tumble dryer also abbreviated herein as a "dryer”
- a heat pump in which mechanical vibrations in the refrigerant circuit can be compensated in an efficient manner and a method for operating this should also be provided dryer.
- the invention thus relates to a dryer with a drum for laundry to be dried; a process air cycle; a blower for conveying process air; a control unit; and a heat pump cycle comprising an evaporator, a condenser, a throttle, a compressor, and a piping system connecting the same, and having a vibration transmitter in mechanical contact with the piping system.
- the vibration transmitter is in mechanical contact with the point in the pipeline system where the greatest mechanical vibrations occur.
- the vibration sensor is located at a curved point of the pipeline system, ie at a point at which a pipeline is not rectilinear but has a more or less large curvature, eg a loop or a bend.
- the vibration generator generally has the task of compensating as completely as possible the mechanical vibrations occurring during operation of the heat pump cycle.
- the vibration generator thus differs from the compressor in that the undesired vibrations generated by the compressor are at least partially compensated by counter vibrations generated by the vibration generator.
- the vibration generator can also be referred to as an active vibration compensator.
- the vibration generator is not restricted according to the invention.
- the vibration generator comprises an electric motor, wherein the vibration generator as the electric motor preferably has a linear electric motor with an imbalance. Such linear electric motors are used for example in electric toothbrushes.
- the mechanical contact of the vibration generator with the piping system can be realized in different ways, depending in particular on the design of the vibration generator.
- an electric linear motor with an imbalance can be attached directly to a corresponding point of the pipeline system.
- the "restless" running of the electric motor can then be transmitted directly to the pipeline system, or alternatively, for example, a crank drive can be present, which is driven by an electric motor
- a crank drive may comprise, for example, a flywheel to which a crank rod is articulated eccentrically
- the connecting rod can in turn be connected in an articulated manner to the piping system and mechanical vibrations in the heat pump circuit can then be compensated via the control device and vibration programs V n stored there for different situations for the vibration transmitter.
- a temperature sensor S T WPK for direct or indirect measurement of a temperature T K of the refrigerant is arranged in the dryer.
- the temperature sensor is preferably arranged in the heat pump cycle, in particular in direct contact with the refrigerant.
- the one or more temperature sensors preferably have an elongate body with a temperature sensitive tip.
- a preferred temperature sensor is an NTC sensor.
- a refrigerant temperature T K and various vibration programs V n of the vibration generator is stored in the control unit of the dryer. This relationship will usually depend on the location of the attachment of the vibration generator and in particular on the location of the mechanical contact between the vibration generator and the heat pump cycle.
- the compressor used in the heat pump cycle is not restricted according to the invention.
- the compressor is a variable capacity compressor and more preferably a variable speed compressor.
- Suitable compressors are, for example, screw compressors and rotary piston compressors.
- the compressor used is preferably a rotary piston compressor.
- a relationship between a power P v or a speed U v of the compressor and various vibration programs V n of the vibration generator is stored.
- vibration generator mechanical vibrations in the refrigerant circuit can be compensated, the occurrence of which had previously been determined.
- the determination of vibrations can be done in different ways.
- a preferred embodiment of the invention may be for a dryer in advance for different setup conditions or operating conditions, in particular a different operation of the heat pump cycle, location and operating parameter Depending on the course of mechanical vibrations are measured. Subsequently, these location and operating parameter-dependent vibration measurement results (vibration signals) can be stored for subsequent operation of the dryer in the control unit of the dryer. In this embodiment, therefore, the permanent presence of a vibration sensor in the dryer is not required lent.
- a vibration sensor is preferably mounted in the heat pump cycle.
- the vibration sensor generally measures mechanical vibrations in the heat pump cycle, wherein the measured mechanical vibration signals are then transmitted to the control device usually for evaluation.
- a relationship between measured vibration signals of the vibration sensor and different vibration programs V n of the vibration generator is stored in the control unit.
- the control unit is preferably set up to switch off the dryer when a measured vibration signal of an optionally present vibration sensor has a critical vibration limit value V
- the dryer of the invention preferably also has an optical and / or acoustic display device which can display to the user of the dryer a Schwingungskompen- sation by the operation of the vibration generator.
- a degree of vibration compensation can be displayed appropriately.
- Ausense Forms of the invention in which a vibration sensor is present in the refrigerant circuit can also be displayed when a measured vibration signal of the vibration sensor has a critical vibration limit V
- an optical and / or acoustic display device also allows the display of eg operating parameters and / or an expected duration of the drying process.
- the dryer according to the invention generally has a condensate tray for collecting the condensate occurring in the evaporator and optionally in another heat exchanger. From the condensate pan, the condensate is disposed of either by manual emptying or by pumping by means of a condensate pump in a condensate tank, which in turn can be emptied manually, or directly into a sewer system.
- a heat pump and an air-air heat exchanger can be used simultaneously.
- the heat pump and the air-air heat exchanger can complement one another during the cooling of moist, warm process air, for example by the fact that the air-air heat exchanger is used in particular in the event of an imminent overheating of the refrigerant.
- an electric heater may additionally be present in the dryer according to the invention. If the dryer comprises an additional electric heater in one embodiment, a faster heating of the process air and thus a faster drying process in the dryer are possible. However, this would affect a possible energy savings.
- the invention also relates to a method for operating a dryer with a drum for laundry to be dried; a process air cycle; a blower for conveying process air; a control unit; and a heat pump cycle comprising an evaporator, a condenser, a throttle, a compressor and a piping system connecting them; where a vibrational is present, which is in mechanical contact with the piping system; comprising the steps
- the mechanical vibrations generated during operation (b) of the heat pump cycle are measured by means of a vibration sensor and based on a relationship stored in the control unit between measured vibration signals of the vibration sensor and different vibration programs V n of the vibration generator, the vibration generator performs a vibration program V n ,
- “carrying out a vibration program V n” generally means that the control unit activates the vibration transmitter in such a way that it generates vibrations of specific frequency and intensity according to the vibration program V n and transmits them to the pipeline system in order to compensate as completely as possible for the mechanical vibrations occurring there ,
- a temperature T K of the refrigerant is measured by means of a temperature sensor S T W PK arranged in the heat pump cycle.
- a power-dependent compressor and even more preferably a variable-speed compressor is preferably used whose speed ⁇ ⁇ is varied, for example, as a function of a measured refrigerant temperature T R.
- a speed ⁇ ⁇ of a variable speed compressor depending on the measured temperature T K is varied based on a stored in the control unit relationship between the speed ⁇ ⁇ and the measured refrigerant temperature T K , wherein the speed ⁇ ⁇ with increasing Temperature T K decreases.
- variable-capacity compressor when using a variable-capacity compressor on reaching or exceeding a maximum allowable refrigerant temperature T K M max, the power P of the variable-power compressor is reduced.
- T K M max depends on the type of refrigerant and on the location of the temperature sensor in the heat pump cycle. For example, T K M max may be very close to a maximum temperature specified by the manufacturer of a refrigerant for efficient and safe use of the refrigerant. Another factor may be the maximum allowable coil temperature of the drive motor of the compressor. This is influenced by the insulation used and is for example 1 15 ° C. Another limiting factor affecting T K M max is the lubricant used in the compressor. Another important factor is the pressure of the gaseous refrigerant behind the compressor, which must be compared with the strength of the tubes used.
- the invention has numerous advantages.
- the invention makes it possible for a dryer with a heat pump to be operated with low vibration or virtually vibration-free. This allows a longer life of the dryer, since its components are mechanically less stressed.
- the invention enables a better design of the drying process, in that drying programs can be carried out more efficiently, for example by not having to take into account certain resonance frequencies in the dryer.
- the invention also allows a more flexible design of the piping system, for example, a more direct piping, which can enable a Materialersparniss.
- a significant noise reduction is possible.
- the dryer according to the invention also has the advantage that it allows a safe execution of a drying program, wherein in embodiments and different setup conditions can be optimally taken into account.
- FIGS. 1 and 2 Further details of the invention will become apparent from the following description of an embodiment of a dryer and a method using this dryer. Reference is made to FIGS. 1 and 2.
- FIG. 1 shows a vertical section through a dryer according to a first embodiment.
- Fig. 2 is a three-dimensional overview of a heat pump cycle.
- FIG. 1 shows a vertical section through a dryer according to a first embodiment, in which both a temperature sensor for measuring the temperature of the refrigerant and a vibration sensor for measuring vibrations in the refrigerant circuit are arranged in the refrigerant circuit.
- a temperature sensor for measuring the temperature of the refrigerant and a vibration sensor for measuring vibrations in the refrigerant circuit are arranged in the refrigerant circuit.
- Other embodiments are conceivable.
- the dryer 1 shown in FIG. 1 has a rotatable about a horizontal axis drum 2 as a drying chamber within which drivers 14 are mounted for movement of laundry items not shown here during a drum rotation.
- Process air is guided by means of a blower 12 through the drum 2 in a process air circuit 3.
- the moist, warm process air is passed into the evaporator 8 of a heat pump 8, 9, 10, 11, which also has a compressor 11, in this case a variable-speed compressor, a throttle 10 and a condenser 9 , Evaporator 8, condenser 9, throttle 10 and compressor 1 1 are interconnected by a piping system 20.
- a vibration sensor In the refrigerant circuit in the embodiment shown here in addition to a vibration sensor 5, a vibration sensor, ie vibration sensor 7 and a temperature sensor S T W PK 6 are available.
- the vibration generator 5 is arranged in the pipe section 22 between compressor 1 1 and condenser 9.
- the vibration transmitter 5 is in mechanical contact with the pipeline System 20,22, so that he can stimulate the piping system to compensate for mechanical vibrations occurring there to opposite vibrations.
- the vibration transmitter 5 is located at a curved point 25 of the pipeline system 20,22.
- a method for operating this dryer comprises the steps:
- the long arrows shown in FIG. 1 in the process air circuit 3 indicate the flow direction of the air, while the arrows shown in FIG. 1 in the refrigerant circuit indicate the flow direction of the refrigerant.
- the vaporized in the evaporator 8 refrigerant heat pump 8,9, 10, 1 1 is passed through the speed-dependent compressor 1 1 to the condenser 9.
- the refrigerant liquefies with heat being released to the process air flowing in the process air circuit 3.
- the present in liquid form refrigerant is passed through the throttle 10 in turn to the evaporator 8, whereby the refrigerant circuit is closed.
- the temperature sensor S T W PK 6 between evaporator 8 and compressor 1 1 measures in this embodiment, the temperature T K of the refrigerant. This allows that for the operation of the vibration generator 5, the temperature T K of the refrigerant can be taken into account, for which purpose a corresponding relationship is stored in the control unit.
- an electric heater 18 is provided, which can be used for a more rapid heating of the process air. In other equivalent embodiments, the electric heater 18 may be omitted.
- heated air from the rear ie, from the side of the drum 2 opposite the filling opening 17, passes through the perforated base into the drum 2, coming from there the laundry, not shown here, in contact and flows through the filling opening of the drum 2 to a lint filter 21 within the access door 17. Subsequently, the process air flow in the access door 17 is deflected downward.
- the process air is supplied in the process air circuit 3 to the evaporator 8, in which the warm, laden with moisture process air is cooled.
- the separated moisture is collected in a condensate collection container 23, from where it can be removed, for example by pumping.
- the drum 2 is mounted in the embodiment shown in FIG. 1 at the rear bottom by means of a pivot bearing and front by means of a bearing plate 18, the drum 3 rests with a brim on a sliding strip 19 on the bearing plate 18 and is held at the front end.
- the control of the condensation dryer via a control unit 4, which can be controlled by the user via an operating unit 24.
- An optical / acoustic display device 16 allows the user of the dryer 1, the display of the operation of the vibration generator 5, in particular also the scope of the compensation of vibrations of the heat pump cycle.
- the display device 16 indicates when a measured vibration signal of the vibration sensor 7 has a critical vibration threshold V
- the display of eg operating parameters and / or an expected duration of the drying process is possible.
- process air is repeatedly circulated through the process air circuit 3 until preferably a desired degree of drying of the laundry is achieved.
- the dryer of Fig. 1 allows accurate and reliable control of the operation of the heat pump and in particular the vibrations of the refrigerant circuit.
- Fig. 2 shows a three-dimensional overview of a heat pump cycle, as it can be used in a further embodiment of a dryer.
- the heat pump cycle here comprises an evaporator 8, a compressor 1 1, here a variable-speed compressor, a throttle 10 and a condenser 9.
- Evaporator 8, condenser 9, throttle 10 and compressor 1 1 are interconnected by a piping system 20.
- a temperature sensor S T W PK 6 is present in the embodiment shown here.
- the vibration generator 5 is arranged in the pipe section 22 between compressor 1 1 and condenser 9.
- the vibration transmitter 5 is in mechanical contact with the pipeline system 20, 22, so that it can excite the pipeline system to compensate for mechanical vibrations occurring there against these oscillations.
- the double arrows show the direction of mechanical vibrations of the piping system 20, 22nd
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15712609T PL3129540T3 (pl) | 2014-04-07 | 2015-03-25 | Suszarka z pompą ciepła o małych wibracjach i sposób jej eksploatacji |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014206650.6A DE102014206650A1 (de) | 2014-04-07 | 2014-04-07 | Trockner mit einer vibrationsarmen Wärmepumpe und Verfahren zu seinem Betrieb |
| PCT/EP2015/056416 WO2015155009A1 (de) | 2014-04-07 | 2015-03-25 | Trockner mit einer vibrationsarmen wärmepumpe und verfahren zu seinem betrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3129540A1 true EP3129540A1 (de) | 2017-02-15 |
| EP3129540B1 EP3129540B1 (de) | 2018-01-31 |
Family
ID=52780525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15712609.5A Not-in-force EP3129540B1 (de) | 2014-04-07 | 2015-03-25 | Trockner mit einer vibrationsarmen wärmepumpe und verfahren zu seinem betrieb |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3129540B1 (de) |
| DE (1) | DE102014206650A1 (de) |
| PL (1) | PL3129540T3 (de) |
| WO (1) | WO2015155009A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2612966B1 (de) * | 2012-01-05 | 2017-08-23 | Electrolux Home Products Corporation N.V. | Apparat zum Trocknen von Wäsche |
| CN107167223B (zh) * | 2017-07-04 | 2023-04-25 | 四川长虹空调有限公司 | 变频空调器压缩机与管路振动测试系统及方法 |
| EP3467187B1 (de) | 2017-10-09 | 2021-12-22 | Whirlpool Corporation | Zur verwendung in einer maschine zum trocknen von wäsche konfigurierter filter und mit solch einem filter ausgestattete maschine zum trocknen von wäsche |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836165A (en) | 1996-10-30 | 1998-11-17 | Hughes Electronics | Adaptive feedforward vibration control system and method |
| US6131394A (en) | 1998-07-21 | 2000-10-17 | The Regents Of The University Of California | System and method of active vibration control for an electro-mechanically cooled device |
| KR100486571B1 (ko) * | 2002-09-04 | 2005-05-03 | 엘지전자 주식회사 | 왕복동식 압축기의 진동 저감 장치 |
| JP2005172258A (ja) * | 2003-12-08 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 冷凍サイクル装置の配管振動低減装置 |
| JP2005283012A (ja) * | 2004-03-30 | 2005-10-13 | Toshiba Corp | 冷蔵庫 |
| DE102008011454A1 (de) * | 2008-02-27 | 2009-09-17 | Robert Bosch Gmbh | Kompressionswärmepumpe und Verfahren zu ihrem Betreiben |
| JP4975123B2 (ja) | 2010-02-27 | 2012-07-11 | 三菱電機株式会社 | モータ駆動装置及び圧縮機及び冷凍サイクル装置及び洗濯機及び洗濯乾燥機及び送風機 |
| EP2460929B1 (de) | 2010-12-01 | 2012-11-14 | Miele & Cie. KG | Wäschetrockner mit Wärmepumpe |
| DE102011079449A1 (de) * | 2011-07-20 | 2013-01-24 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Betreiben eines Wärmepumpentrockners |
| WO2013024127A1 (en) | 2011-08-18 | 2013-02-21 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance comprising a driving unit for a heat pump |
| EP2559804A1 (de) | 2011-08-18 | 2013-02-20 | BSH Electrodomésticos España, S.A. | Haushaltsgerät mit einer Antriebseinheit für eine Wärmepumpe |
| ES2515041T3 (es) | 2012-02-17 | 2014-10-29 | Miele & Cie. Kg | Aparato doméstico con un equipo secador |
| DE102012105670B4 (de) * | 2012-06-28 | 2015-01-22 | Miele & Cie. Kg | Haushaltsgerät mit einer Trocknungseinrichtung wie Wäschetrockner, Waschtrockner oder Geschirrspülmaschine |
-
2014
- 2014-04-07 DE DE102014206650.6A patent/DE102014206650A1/de not_active Withdrawn
-
2015
- 2015-03-25 WO PCT/EP2015/056416 patent/WO2015155009A1/de not_active Ceased
- 2015-03-25 PL PL15712609T patent/PL3129540T3/pl unknown
- 2015-03-25 EP EP15712609.5A patent/EP3129540B1/de not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014206650A1 (de) | 2015-10-08 |
| WO2015155009A1 (de) | 2015-10-15 |
| PL3129540T3 (pl) | 2018-07-31 |
| EP3129540B1 (de) | 2018-01-31 |
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