CN101884244A - Thermoelectric device for defogging and defrosting applications - Google Patents
Thermoelectric device for defogging and defrosting applications Download PDFInfo
- Publication number
- CN101884244A CN101884244A CN2007801018424A CN200780101842A CN101884244A CN 101884244 A CN101884244 A CN 101884244A CN 2007801018424 A CN2007801018424 A CN 2007801018424A CN 200780101842 A CN200780101842 A CN 200780101842A CN 101884244 A CN101884244 A CN 101884244A
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- China
- Prior art keywords
- thermoelectric device
- combination
- air
- controlled surface
- described thermoelectric
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
A controlled surface having a direct contact with a flow of cold air circulating within a climate-controlled space is provided. A thermoelectric device is associated with the controlled surface and has a hot junction positioned upstream in the path of the air stream moving over the controlled surface and a cold junction positioned downstream in the path of the air stream. This arrangement provides defogging, defrosting or condensate evaporation for the controlled surface, while the temperature in the climate-controlled space is not appreciably altered, and at least some amount of moisture is removed from the air stream by the thermoelectric device.
Description
[technical field]
The application relates to a kind of purposes of thermoelectric (al) cooler, this thermoelectric (al) cooler is used for providing demist or defrosting to the cold surface that is associated with climate controlled space (climate-controlled space), and does not influence the situation in the climate controlled space simultaneously significantly.
[background technology]
Various locking devices and casing structure comprise a plurality of surfaces, and these surfaces can be transparent or reflection, and typically need be during whole working life, especially keep this transparent or reflection function in air conditioning or refrigeration plant operating period.For example, in general store, displaying articles in the cold storage container of being everlasting.In cold storage container, glass door typically seals and separates with external environment condition the refrigerating space of sealing, and allows simultaneously that contents in the cold storage container can be demonstrated and approaching.Cooling air circulates in the climate controlled space of cold storage container.Above Men Zaiyi the surface to heat and typically moister external environment condition, and at it another cold air or cooling air to locking device above surface.In fact, often carry air curtain along the inner surface of door, with for example when door is opened during in the prevention extraneous air enter.Though the glass door of cold storage container is by typically well heat insulation, door frequently open and product respiration that cold storage container is interior can cause glass door to haze, this does not wish to occur very much.
May also can meet with similar problem with other various cold surfaces transparent or reflection of climate controlled space correlation connection.For example, such as static facilities such as bottle cooler, Vending Machine, shelf (merchandiser), bathrooms, and also may become such as the window in commercial affairs and the MOVING STRUCTUREs such as private car, mobile refrigerator-freezer or mirror spare and to haze.Similarly, some in the surface of these types can be exposed and frosting.
A kind of selection that is used to be incorporated in the refrigerating system that has recently proposed is to use thermoelectric (al) cooler.Thermoelectric (al) cooler is the particular thermal electrical property that has utilized different semi-conducting materials in essence, and based in thermoelectric device simultaneous two phenomenon-peltier effects of operating period (Peltier effect) and Seebeck effect (Seeback effect).Peltier effect is with when electric current exists, and release or the absorption of locating limited hot-fluid at the knot (junction) of being made and remained on two electric conductors under the constant temperature by different materials are associated.Similarly, Seebeck effect is relevant with identical configuration, and wherein two knots are maintained at different temperatures, this can produce limited electrical potential difference and can be in closed loop circuit the electromotive force of drive current.
Peltier effect and Seebeck effect are preferably existed in the made thermoelectric (al) cooler simultaneously by the material with different absolute thermoelectromotive forces.By two knots have threshold currents to cause two heat transmission to interact because two freezers and heat reservoir remain on different temperatures.Thermoelectric (al) cooler operation for stable should have opposite mark with the hot-fluid that two knots are associated.If external system is kept electrical potential difference and driven the electric current of offsetting this electrical potential difference, then two clones are united to become and are thermo-electric cooling device.
Typical thermoelectric (al) cooler is made up of P type semiconductor element that serves as two different conductors and N type semiconductor element arrays.P-type material has the electronics of lazy weight, and n type material has extra electronics.In these electronics in the n type material and the P-type material so-called " hole ", except loaded current, also become for conveying medium so that heat is transferred to thermojunction from cold junction.Rate of heat delivery depends on by the right quantity of the electric current of circuit and ELECTRON OF MOTION-hole.When electric current during by one or more pairs of P-N element, occur temperature at the cold junction place and reduce, cause being absorbed from the heat of target to be cooled.When electronics when upper state is shifted to lower state, by the electronics transportation heat is carried by thermoelectric (al) cooler and at the thermojunction place and to discharge.
Though thermoelectric device itself is irreversible, because heat and electric current must flow through circuit in their operating periods, so thermoelectric device does not make its extremely reliable and quiet moving component.
Thermoelectric device is not applied to providing demist or defrosting solving the above problems to the cold surface with climate controlled space correlation connection, and the not obvious situation that influences in the climate controlled space simultaneously.
[summary of the invention]
In open execution mode of the present invention, a kind of controlled surface is provided, it directly contacts with the cold air flow that circulates in the climate controlled interior volume.Air conditioning or refrigeration plant offer the climate controlled space with cooling air flow.Thermoelectric device is associated with controlled surface, and keeps controlled surface not form fog, frost or condensate.Controlled surface can be permanently transparent or reflection, and will keep these performances and can not haze or frost in air conditioning or refrigeration plant operating period.On the other hand, controlled surface can be made by the conventional construction material such as aluminium, steel or plastics, and will not allow and form any condensate cause in the climate controlled space occurring in the desired locations not dropping liquid and wet spot (wet spot).
The thermoelectric device that is associated with controlled surface is positioned at the climate controlled interior volume, and the thermojunction of thermoelectric device is placed in the air flow path, and thermoelectric device provides demist, defrosting or condensate evaporative for controlled surface.The cold junction of thermoelectric device can be placed on the downstream of thermojunction on air flow path, reduce air themperature and removed at least some amount of moisture in the air-flow with the initial value towards air-flow.This condensate that is collected on the cold junction is directed into discharge plate, and removes from the climate controlled space, and controlled surface is by demist, defrosting or drying simultaneously.This demist or defrost function are provided by thermoelectric device, and do not interrupt the cooling down operation pattern.
Thermoelectric device can be operated continuously, perhaps can be as required for example based on timing device or sensor feedback and activate thermoelectric device.This transducer is normally known in the industry, and can be Cold Mirrors type, capacitor type, resistor-type or other any kind.Therefore in addition, thermoelectric device can provide variable power supply, and can be for example by changing supply voltage, by thermojunction with cold junction will variously add heat and amount of cooling water is delivered to the air-flow that passes through respectively, operates the environmental aspect that adapts to variation with the adjustment thermoelectric device.
Thermoelectric device and knot thereof can be incorporated in the controlled surface structure, perhaps can be used as attachment device and use.
Be reversed if be used for the electric power polarity of thermoelectric device, then thermojunction and cold junction are exchanged.This successively (inturn) allow the cooling that provides additional, its cold junction by thermoelectric device offers the controlled surface that is associated.
The present invention can be applicable to the controlled surface of any transparent or reflection, and for example glass door, window or mirror spare perhaps are placed on the controlled surface of other any general objects in the climate controlled environment.Can understand these and further feature of the present invention from following detailed description and accompanying drawing best, below be to describe in detail and brief description of the drawings.
[description of drawings]
Fig. 1 schematically shows and combines refrigeration locking device of the present invention (refrigeratedenclosure).
Fig. 2 is the guide wire of alternative shape of the refrigeration locking device of Fig. 1.
Fig. 3 shows the general expression (representation) that combines controlled surface of the present invention.
[embodiment]
Fig. 1 shows the refrigeration locking device 20 that combines glass door 22, and glass door 22 is allowed and led to chilled products and the transparent functional that is used for observing the contents in the refrigeration locking device 20 is provided for the user.Refrigeration locking device 20 can comprise various structure elements, for example shelf 24 etc.Cooling air is in the climate controlled interior volume circulation of refrigeration locking device 20, to provide cooling to the product that can be positioned over refrigeration locking device 20 inside.In addition, provide air curtain, during door is opened, to stop extraneous air to enter and cooling air is selected in the surrounding environment along glass door 22.
Return air duct 18 is subjected to the hot type heat exchanger with air from the refrigerating system that the climate controlled space that refrigerates locking device 20 is transported to such as evaporator 30.Then, air refluxes to advance to refrigerate in the climate controlled space of locking device 20 by return air duct 32 and by ventilating opening 36 and 37.Ventilating opening 37 is positioned usually provides air curtain 26.Evaporator 30 is incorporated in the refrigerating system, and refrigerating system comprises the basic element of character at least, such as heat extraction formula heat exchanger, compressor, expansion gear and a pair of air push (air-moving) that is associated with heat extraction formula heat exchanger and evaporator 30 device.Refrigerating system can be the global facility that is made of refrigeration locking device 20, perhaps can constitute by slipping into formula (slide-in) structure.Be associated with evaporator 30 and typically be placed on evaporator 30 downstreams such as the air driven device of fan 28, the air driven device will be cooled by evaporator 30 time and often the cooling blast of dehumidifying be offered the climate controlled space of refrigeration locking device 20.
Therefore, air curtain 26 typically with at the air that refrigerates locking device 20 inner loop has identical chilling temperature.Glass door 22 has its outer surface that is exposed to surrounding environment 100 and its inner surface that contacts with air curtain 26.Typically, air curtain 26 has temperature and the water capacity more much lower than surrounding environment 100.Therefore, glass door 22 can for example become during door is opened and hazes typically.Glass door 22 also can become because of the respiration of the product that is placed on refrigeration locking device 20 inside and hazes.
The present invention will be placed on the thermoelectric device 44 that glass door 22 and air curtain 26 are associated in the climate controlled space of refrigeration locking device 20, such as the thermojunction 38 of thermoelectric device 44 be arranged in that air leaves the path of ventilating opening 37 and above it flows to glass door 22 before.Owing to the heat transmission between the thermojunction 38 of air curtain air-flow that leaves ventilating opening 37 and thermoelectric device 44 interacts, therefore, air curtain 26 will be than the temperature height at the remaining air that refrigerates locking device 20 inner loop.So can absorbing than warm air of air curtain 26 accumulates in the moisture that is fog, condensate or frost form on glass door 22 inner surfaces.As a result, as expectation, the transparent functional of glass door 22 will keep.
The cold junction 40 of thermoelectric device 44 is disposed adjacent the end of the air path of air curtain 26, when air circulation when flowing through evaporator 30, thermoelectric device 44 will be used for towards the initial temperature cooling air and to air dewetting.The condensate of being removed from air-flow by the cold junction 40 of thermoelectric device 44 is collected in the discharge plate 45, and removes from refrigeration locking device 20 then.
In Fig. 2, show in detail the air-flow of air curtain 26 process on thermojunction 38.Must be pointed out that the thermojunction 38 of thermoelectric device 44 and cold junction 40 only are schematically illustrated, and can have Any shape or structure.For example, transmit in order to strengthen heat, thermojunction 38 and cold junction 40 can have the gas channel that is provided with any suitable cross-section, such as the secondary heat transfer surface of the extension of heat transfer fin or flank and such as the heat transfer enhancement elements of air vent hole (louver) or boundary layer breach (boundary layer disruptor).Generally speaking, these heat transfer enhancement elements are known in this area.And cold junction 40 can be combined with the condensate drain path of grooving or paddy (valley) form, and the condensate drain path can be avoided air-flow and be pulled away to prevent condensate.And the element such as thermojunction 38 and cold junction 40 of thermoelectric device 44 can be attached on the structure of glass door 22, and perhaps even can be integrated on the door, for example the form with the laminated construction that is positioned at glass door 22 inner surfaces or near location is integrated on the door.
It should be understood that thermoelectric device 44 can provide demist or defrost function under the cooling down operation pattern situation of the refrigeration unit that does not interrupt being associated with refrigeration locking device 20.In addition, thermoelectric device 44 operate serially or as required (for example based on timing device or sensor feedback) activate thermoelectric device 44.This transducer is normally known in the industry, and can be Cold Mirrors type, capacitor type, resistor-type etc.Therefore in addition, thermoelectric device can be provided with variable power supply, and can be for example by changing supply voltage, by thermojunction with cold junction will variously add heat and amount of cooling water is delivered to the air-flow that passes through respectively, to adjust the environmental aspect that the thermoelectric device operation adapts to variation.The environmental aspect of this variation can be for example because of frequently opening door, place the environmental condition of advancing to refrigerate in the locking device that has higher or low respiratory article and change and cause in less or more ground.
In addition, if the electric power polarity of thermoelectric device 44 is reversed, then thermojunction 38 and cold junction 40 will exchange.This allows the cooling that provides additional successively, and this additional cooling offers the controlled surface that is associated such as glass door 22 by the cold junction (being 38 now) of thermoelectric device 44, and offers the whole climate controlled environment of refrigeration locking device 20.This operator scheme can be carried out during not needing glass door 22 demists or when defrosting.In this operator scheme, will remove by the refrigeration unit that is associated with refrigeration locking device 20 by the heat that thermojunction (being 40 now) generates.
As shown in Figure 3, be not glass door 22, but other controlled surface 46 that is associated with thermoelectric device 44 can be from being benefited along air flow path location, this air flow path was according to priority on the thermojunction 48, moved on cold junction 50 then.The surface such as window, glass partition or spacer or mirror spare in static or transport applications can be benefited from the present invention.And, be positioned in the climate controlled environment and any general objects controlled surface 46 of trending towards gathering condensate, fog or frost can be benefited from the present invention.Some examples can include but not limited to window, the mirror spare in the bathroom, the glass partition in the refrigerated display case, the window in the automobile and mirror spare, the shelf in the shelf and a lot of other the examples in the building.In addition, under suitable situation, can utilize the present invention to come or remove condensate from controlled surface 46 defrostings.
Although disclose several execution modes and application, those skilled in the art will recognize that disclosed application is exemplary, and also have a lot of other application also can from disclosed the present invention, be benefited.Reason should be studied claims to determine true scope of the present invention and content for this reason.
Claims (25)
1. the combination of thermoelectric device and controlled surface, wherein:
Described thermoelectric device provides one of demist, defrosting or condensate evaporative for described controlled surface, and the combination of demist, defrosting or condensate evaporative perhaps is provided.
2. combination as claimed in claim 1, wherein, described thermoelectric device and described controlled surface are placed in the climate controlled environment.
3. combination as claimed in claim 2, wherein, the thermojunction of described thermoelectric device is placed in the air-flow with before described controlled surface contacts at air-flow.
4. combination as claimed in claim 3, wherein, the cold junction of described thermoelectric device also is placed in the described air-flow, but is placed on the downstream along described controlled surface.
5. combination as claimed in claim 3, wherein, described air-flow is an air curtain.
6. combination as claimed in claim 2, wherein, described climate controlled environment is one of refrigeration locking device and air conditioning space.
7. combination as claimed in claim 2, wherein, described climate controlled environment is one of static type and mobile type.
8. combination as claimed in claim 1, wherein, described controlled surface is one of glass door, window and mirror spare.
9. combination as claimed in claim 1, wherein, described thermoelectric device is an attachment device.
10. combination as claimed in claim 1, wherein, described thermoelectric device is incorporated in the controlled surface structure.
11. combination as claimed in claim 1, wherein, described thermoelectric device activated as required.
12. combination as claimed in claim 11, wherein, described thermoelectric device be based in timer and the humidity sensor feedback at least one activated.
13. combination as claimed in claim 1, wherein, the power supply that is used for described thermoelectric device is a regulated power supply, and described regulated power supply is allowed in the punishment of the thermojunction place of described thermoelectric device and cold junction and be you can well imagine for variable heat and the amount of cooling water of adding.
14. combination as claimed in claim 2, wherein, the polarity of described thermoelectric device is reversed with optionally auxiliary cooling.
15. a method of operating the combination of thermoelectric device and controlled surface, it comprises the steps:
(a) be placed on desired locations by thermojunction,, perhaps provide the combination of demist, defrosting or condensate evaporative for described controlled surface provides one of demist, defrosting or condensate evaporative with described thermoelectric device.
16. method as claimed in claim 15, wherein, described thermoelectric device and described controlled surface are placed in the climate controlled environment.
17. method as claimed in claim 16, wherein, the thermojunction of described thermoelectric device is placed in the air-flow with before described controlled surface contacts at air-flow.
18. method as claimed in claim 17, wherein, the cold junction of described thermoelectric device also is placed in the described air-flow, but is placed on the downstream along described controlled surface.
19. method as claimed in claim 17, wherein, described air-flow is an air curtain.
20. method as claimed in claim 15, wherein, described thermoelectric device is an attachment device.
21. method as claimed in claim 15, wherein, described thermoelectric device is incorporated in the controlled surface structure.
22. method as claimed in claim 15, wherein, described thermoelectric device activated as required.
23. method as claimed in claim 22, wherein, described thermoelectric device be based in timer and the humidity sensor feedback at least one activated.
24. method as claimed in claim 15, wherein, the power supply that is used for described thermoelectric device is a regulated power supply, and described regulated power supply is allowed in the punishment of the thermojunction place of described thermoelectric device and cold junction and be you can well imagine for variable heat and the amount of cooling water of adding.
25. method as claimed in claim 16, wherein, the polarity of described thermoelectric device is reversed with optionally auxiliary cooling.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2007/086232 WO2009073021A1 (en) | 2007-12-03 | 2007-12-03 | Thermoelectric device for defogging and defrosting applications |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101884244A true CN101884244A (en) | 2010-11-10 |
CN101884244B CN101884244B (en) | 2015-11-25 |
Family
ID=40718007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780101842.4A Expired - Fee Related CN101884244B (en) | 2007-12-03 | 2007-12-03 | For the thermoelectric device of defog and defrost application |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100199686A1 (en) |
EP (1) | EP2229801A4 (en) |
CN (1) | CN101884244B (en) |
HK (1) | HK1151177A1 (en) |
WO (1) | WO2009073021A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105486014A (en) * | 2016-01-29 | 2016-04-13 | 合肥华凌股份有限公司 | Door and refrigeration device |
CN106940111A (en) * | 2017-02-13 | 2017-07-11 | 合肥美的电冰箱有限公司 | Hothouse and direct cooling refrigerator for direct cooling refrigerator |
CN111503968A (en) * | 2020-04-29 | 2020-08-07 | 珠海格力电器股份有限公司 | Air-cooled refrigerator and dehumidification method thereof |
CN111669997A (en) * | 2018-02-02 | 2020-09-15 | 开利公司 | Refrigerated sales cabinet |
CN112298575A (en) * | 2019-07-31 | 2021-02-02 | B/E航空公司 | Air cooler for confined spaces |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201250421A (en) * | 2011-06-01 | 2012-12-16 | Aopen Inc | Method for demisting a glass cover and display module thereof |
IN2015DN01693A (en) | 2012-09-24 | 2015-07-03 | Carrier Corp | |
WO2017003471A1 (en) * | 2015-06-30 | 2017-01-05 | Lockheed Martin Corporation | Condensation inhibiting device including thermoelectric generator, and method of inhibiting condensation |
US10015844B2 (en) | 2015-06-30 | 2018-07-03 | Lockheed Martin Corporation | Condensation inhibiting device including thermoelectric generator, and method of inhibiting condensation |
TR201713310A2 (en) * | 2017-09-11 | 2019-03-21 | Bsh Ev Aletleri San Ve Tic As | A REFRIGERANT WITH AIR DIRECTIONAL ELEMENT |
US11161455B2 (en) | 2017-11-30 | 2021-11-02 | Ford Global Technologies, Llc | Defrost/defog system side mirror with peltier element |
KR20200105610A (en) * | 2019-02-28 | 2020-09-08 | 엘지전자 주식회사 | Control method for refrigerator |
US11116333B2 (en) | 2019-05-07 | 2021-09-14 | Carrier Corporation | Refrigerated display cabinet including microchannel heat exchangers |
US11559147B2 (en) | 2019-05-07 | 2023-01-24 | Carrier Corporation | Refrigerated display cabinet utilizing a radial cross flow fan |
CN217686055U (en) * | 2021-12-27 | 2022-10-28 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3911245A (en) * | 1974-04-15 | 1975-10-07 | Cardinal Insulated Glass Co | Heated multiple-pane glass units |
US4750335A (en) * | 1987-06-03 | 1988-06-14 | Hill Refrigeration Corporation | Anti-condensation means for glass front display cases |
NL8802637A (en) * | 1988-10-26 | 1990-05-16 | Holec Syst & Componenten | HUMIDITY LOWERING DEVICE FOR ELECTRICAL INSTALLATION CABINETS AND THE LIKE. |
JPH0759622A (en) * | 1993-08-30 | 1995-03-07 | Sanyo Electric Co Ltd | Cabinet with mirror |
EP1390242B1 (en) * | 2001-04-25 | 2007-03-07 | ISGK Co., LTD | An apparatus and method for removing moisture |
US6470696B1 (en) * | 2001-09-18 | 2002-10-29 | Valerie Palfy | Devices and methods for sensing condensation conditions and for removing condensation from surfaces |
KR100497157B1 (en) * | 2002-06-08 | 2005-06-23 | 삼성전자주식회사 | Refrigerator for cosmetics and control method thereof |
US8044293B2 (en) * | 2005-02-18 | 2011-10-25 | GM Global Technology Operations LLC | High performance thermoelectric nanocomposite device |
DE102005021590A1 (en) * | 2005-05-10 | 2006-11-16 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerating appliance with frame heating |
-
2007
- 2007-12-03 WO PCT/US2007/086232 patent/WO2009073021A1/en active Application Filing
- 2007-12-03 EP EP07871656.0A patent/EP2229801A4/en not_active Withdrawn
- 2007-12-03 US US12/675,997 patent/US20100199686A1/en not_active Abandoned
- 2007-12-03 CN CN200780101842.4A patent/CN101884244B/en not_active Expired - Fee Related
-
2011
- 2011-05-03 HK HK11104384.3A patent/HK1151177A1/en not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105486014A (en) * | 2016-01-29 | 2016-04-13 | 合肥华凌股份有限公司 | Door and refrigeration device |
CN105486014B (en) * | 2016-01-29 | 2019-01-08 | 合肥华凌股份有限公司 | Door body and refrigeration equipment |
CN106940111A (en) * | 2017-02-13 | 2017-07-11 | 合肥美的电冰箱有限公司 | Hothouse and direct cooling refrigerator for direct cooling refrigerator |
CN111669997A (en) * | 2018-02-02 | 2020-09-15 | 开利公司 | Refrigerated sales cabinet |
CN112298575A (en) * | 2019-07-31 | 2021-02-02 | B/E航空公司 | Air cooler for confined spaces |
CN112298575B (en) * | 2019-07-31 | 2023-11-17 | B/E航空公司 | Air cooler for confined spaces |
CN111503968A (en) * | 2020-04-29 | 2020-08-07 | 珠海格力电器股份有限公司 | Air-cooled refrigerator and dehumidification method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN101884244B (en) | 2015-11-25 |
US20100199686A1 (en) | 2010-08-12 |
EP2229801A1 (en) | 2010-09-22 |
HK1151177A1 (en) | 2012-01-20 |
WO2009073021A1 (en) | 2009-06-11 |
EP2229801A4 (en) | 2013-12-04 |
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