CN1789865A - Heat exchanger and air conditioner using the same - Google Patents
Heat exchanger and air conditioner using the same Download PDFInfo
- Publication number
- CN1789865A CN1789865A CNA2005101369419A CN200510136941A CN1789865A CN 1789865 A CN1789865 A CN 1789865A CN A2005101369419 A CNA2005101369419 A CN A2005101369419A CN 200510136941 A CN200510136941 A CN 200510136941A CN 1789865 A CN1789865 A CN 1789865A
- Authority
- CN
- China
- Prior art keywords
- path
- heat exchanger
- cold
- producing medium
- refrigerant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- 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
- F25B39/00—Evaporators; Condensers
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/06—Derivation channels, e.g. bypass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Disclosed herein is a heat exchanger for use in an air conditioner. The heat exchanger is provided with a path switching unit at a tube that forms a refrigerant path. The path switching unit is used to switch the flow path of a refrigerant passing through the tube in accordance with a cooling or heating load, thereby regulating the flow rate of the refrigerant. The use of the path switching unit has the effect of achieving an effective control of cooling or heating capacity thereof based on an external load.
Description
Technical field
The present invention relates to a kind of air-conditioner, more particularly, relate to a kind of heat exchanger, this heat exchanger comprises the path conversion element that is used to change refrigerant flowpath, thereby realize controlling the ability of cooling off or heating easily, and relate to the air-conditioner that uses this heat exchanger according to external load.
Background technology
Usually, air-conditioner is to be used for refrigeration or heat rooms so that produce the equipment of more comfortable room environment.Air-conditioner suction room air is with heating or cool off this air, and the air that will heat or cool off enters in the room.
Fig. 1 is the sketch that conventional air-conditioning device structure schematically is shown.Fig. 2 is the sketch that conventional heat exchanger inside schematically is shown.
As shown in Figure 1, conventional air-conditioner comprises: compressor 2, and its gaseous refrigerant with low-temp low-pressure is compressed into high-temperature high-pressure state; Condenser (outdoor heat converter 4 when being refrigeration, or the indoor heat converter 8 in when heating), its by with heat radiation to around make from the condensation of refrigerant of this compressor 2 discharges and become liquid refrigerant; Expansion element 6 will be expanded to the gaseous state/liquid two phase refrigerant of low-temp low-pressure by the liquid refrigerant that this condenser condenses; And evaporimeter (indoor heat converter 8 when being refrigeration, or the outdoor heat converter 4 in when heating), its by absorb from around heat this two phase refrigerant is become gaseous refrigerant.
This compressor 2 is to have the not constant-speed compressor of varying capacity.In such compressor, bypass elements 10 is installed between the suction and discharge section of this compressor 2, compares with the capacity of this compressor 2 with the desirable refrigeration load of box lunch and controls the capacity of this compressor when hanging down.
This bypass elements 10 comprises: connect the suction part of this compressor 2 and the bypass path 12 of discharge section; And be arranged on the open/closed valve 14 of this bypass path 12 to open or close this bypass path 12.
This indoor heat converter 4 comprises: plate shape heat exchanger body 16, and it carries out heat exchange operation between cold-producing medium and outdoor air; Be arranged on the suction header 18 of these heat exchanger body 16 1 sides, to suck the cold-producing medium of discharging from this compressor 2; One or more pipes 20 from these suction header 18 branches; And discharge collector 22, to discharge the cold-producing medium through heat exchange, pipe 20 converges at this discharge collector 22.
The internal structure of this indoor heat converter can be used for outdoor heat converter in the same way.
When the conventional air-conditioning device with said structure carries out refrigeration when operation, at first, the high-temperature high-pressure refrigerant of discharging from compressor 2 is introduced into the outdoor heat converter 4 as condenser, thereby this cold-producing medium radiant heat towards periphery.
Therefore, the cold-producing medium by this outdoor heat converter 4 is expanded to the low-temp low-pressure state in by this expansion element 6.After this, the cold-producing medium of this low-temp low-pressure state is introduced in this indoor heat converter 8.
In case after being introduced in this indoor heat converter 8, this cold-producing medium absorbs heat from room air, thereby realize the refrigeration room.
Simultaneously, when needs reduced the capacity of this compressor 2, this open/closed valve 14 was opened, so that be introduced into the suction part of this compressor 2 once more by this bypass path 12 from the part cold-producing medium of these compressor 2 discharges.
The shortcoming of conventional air-conditioning device is, as the method for controlling this air-conditioner refrigeration output according to refrigeration load, makes the cold-producing medium shunting of discharging from this compressor 2, to regulate the flow velocity of this cold-producing medium.But there is restriction in the flow velocity that changes the cold-producing medium of being shunted according to external load.And because the needed power consumption of drive compression machine is the cause of constant, so there is too much power consumption in the conventional air-conditioning device, thereby energy efficiency is lower.
Summary of the invention
Therefore, consider that the problems referred to above propose the present invention, and the object of the present invention is to provide a kind of heat exchanger, the refrigerant path converting unit wherein is provided, thereby, the present invention also aims to provide a kind of air-conditioner that uses this heat exchanger according to the external load realization refrigeration that changes or the suitable control of heating efficiency.
According to the present invention, above-mentioned and other purposes realize that by a kind of heat exchanger is provided this heat exchanger comprises: be formed on the heat exchanger body the inside and be used to refrigerant path that cold-producing medium is passed through; And at least one is arranged in the refrigerant path path converting with the flow path of changing this cold-producing medium, so that regulate the flow velocity by the cold-producing medium of this refrigerant path.
Preferably, this path converting can comprise: make the bypass path by the cold-producing medium shunting of this refrigerant path; And the open/closed valve that opens or closes this bypass path.
Preferably, this at least one path converting can comprise a plurality of path convertings.
Preferably, this refrigerant path can comprise: the suction header that sucks cold-producing medium; Discharge discharge collector through the cold-producing medium of heat exchange; And at least one is connected in this suction header this discharge collector, is used to pipe that cold-producing medium is passed through.
Preferably, this bypass path can be formed between this pipe and this discharge collector.
Preferably, this open/closed valve can be installed in the link position between this refrigerant path and this bypass path.
Preferably, this open/closed valve can be a triple valve.
Preferably, this at least one pipe can comprise a plurality of pipes from this suction header branch.
Preferably, this at least one path converting can comprise a plurality of path convertings, and the bypass path of this each path converting is connected in one of them relevant pipe.
Preferably, this pipe has the shape of a plurality of bendings, and this bypass path can be connected in the sweep of this pipe this discharge collector.
At the heat exchanger that is used for according to air-conditioner of the present invention, owing on the pipe that forms refrigerant path, path converting has been installed, therefore can regulate the flow velocity of this cold-producing medium by according to refrigeration or add the flow path of thermal force conversion by the cold-producing medium of this pipe.Has the effect of effectively controlling refrigeration or heating efficiency according to external load like this.
And, when the heat exchanger with path converting uses with the variable-displacement compressor, even under low load-up condition, also can realize the variation of capacity with the energy consumption that reduces.
Description of drawings
From detailed description below in conjunction with accompanying drawing, will be well understood to above-mentioned and other purposes, characteristic and other advantages of the present invention more, wherein:
Fig. 1 is the structure diagram that the conventional air-conditioning device schematically is shown;
Fig. 2 is the structure diagram that conventional heat exchanger inside schematically is shown;
Fig. 3 is the structure diagram that schematically illustrates according to the air-conditioner of the embodiment of the invention; And
Fig. 4 is the structure diagram that schematically illustrates according to the heat exchanger inside of the embodiment of the invention.
The specific embodiment
Embodiments of the invention are described below with reference to the accompanying drawings.
Fig. 3 is the structure diagram that schematically illustrates according to the air-conditioner of the embodiment of the invention.Fig. 4 schematically illustrates the structure diagram that is arranged on according to the inside of the heat exchanger in the air-conditioner of the embodiment of the invention.
As shown in Figure 3, air-conditioner according to the present invention comprises: compressor 50, so that the low-temp low-pressure gaseous refrigerant is compressed into high-temperature high-pressure state; Condenser (outdoor heat converter 52 when being refrigeration, or the indoor heat converter 54 in when heating) will be will become liquid refrigerant from the refrigerant condenses that this compressor 50 is discharged by radiations heat energy towards periphery; Expansion element 56 will be will be expanded to the gaseous state/liquid two phase refrigerant of low-temp low-pressure by the liquid refrigerant that this condenser condenses; And evaporimeter (indoor heat converter 54 when being refrigeration, or the outdoor heat converter 52 in when heating), it becomes this two phase refrigerant into gaseous refrigerant by the heat around absorbing.
This compressor 50 can be to have the not constant-speed compressor of varying capacity, or the variable-displacement compressor.Following description is limited to the use constant-speed compressor.
This indoor heat converter 54 comprises: be formed on heat exchanger body 64 the insides and be used to refrigerant path that cold-producing medium is passed through; And the path converting 70 of changing this refrigerant flowpath, so that regulate the flow velocity of the cold-producing medium that passes through this refrigerant path.
This refrigerant path comprises: the suction header 60 that sucks cold-producing medium; Discharge discharge collector 62 through the cold-producing medium of heat exchange; And this suction header 60 is connected in a plurality of pipes of this discharge collector 62, be used to make cold-producing medium to flow to this discharge collector 62 from this suction header 60.
These a plurality of pipes are from these suction header 60 branches, and each pipe has the shape of a plurality of bendings.
This discharge collector 62 is configured to these a plurality of pipes and converges there.
This heat exchanger body 64 has plate shape.These a plurality of pipes are surrounded by this heat exchanger body 64.Suction header 60 and discharge collector 62 both can be arranged on a side of this heat exchanger body 64 together perhaps is separately positioned on the both sides of this heat exchanger body 64.
About these a plurality of pipes, following description is limited to has only two pipes, i.e. first pipe 66 and second pipe 68.
This first and second pipe 66 and 68 each ends are connected in suction header 60, and this first and second pipe 66 and 68 each the other ends are connected in and discharge collector 62.
This path converting 70 comprises: first and second bypass path 72 and 76; And the open/closed valve 74 and 78 that opens or closes this first and second bypass path 72 and 76 respectively.This first and second bypass path 72 and 76 is connected in this discharge collector 62 with the sweep of this first and second pipe 66 and 68 respectively, so that be diverted to discharge collector 62 through the cold-producing medium of this first and second pipe 66 and 68.
Though embodiments of the invention are limited to such structure, wherein this first and second bypass path 72 and 76 is separately positioned on this first and second pipe 66 and 68 selected sweeps, but be to be understood that, the invention is not restricted to this embodiment, and a plurality of bypass path can be arranged on a plurality of positions of this first and second pipe 66 and 68.
This open/closed valve 74 and 78 is mounted in the selected sweep of this first and second pipe 66 and 68 and the triple valve between this first and second bypass path 72 and 76.Operation according to this open/closed valve 74 and 78, when reducing the flow velocity of this cold-producing medium according to low refrigeration load needs, open this first and second bypass path 72 and 76, and when the flow velocity of cold-producing medium is suitable for desirable refrigeration load, then close this first and second bypass path 72 and 76.
In an optional embodiment of the present invention, can magnetic valve be installed respectively in first second bypass path 72 and 76, be used to open or close bypass path 72 and 76.
Below, explanation is had operation according to the air-conditioner of indoor heat converter of the present invention.
When air-conditioner of the present invention during at the refrigeration mode operation, at first, compressed high-temperature high-pressure refrigerant is introduced as in the outdoor heat converter 52 of condenser in compressor 50.Thereby this cold-producing medium radiations heat energy towards periphery.
Then, the cold-producing medium by this outdoor heat converter 52 expand into the low-temp low-pressure state in by this expansion element 56.After this, this low-temperature low-pressure refrigerant is introduced in this indoor heat converter 54.
In case after being introduced in this indoor heat converter 54, this cold-producing medium is separated by this suction header 60, to introduce in this first and second pipe 66 and 68.Thereby this cold-producing medium carries out heat exchange with room air in by this first and second pipe 66 and 68.Then, discharge collector 62 discharges from this after, this cold-producing medium circulates once more and enters this compressor 50.
As mentioned above, this cold-producing medium absorbs the heat from room air when passing through this indoor heat converter 54, thereby makes room refrigeration.
In this case, when refrigeration load was low, this first and second triple valve 74 and 78 operations were to open this first and second bypass path 72 and 76.
If this first and second bypass path 72 and 76 is opened, be divided in this first and second bypass path 72 and 76 by this first and second triple valve 74 and 78 by first and second pipes 66 of this indoor heat converter 54 and 68 cold-producing medium.
When refrigeration load is low, to be diverted in this first and second bypass path 72 and 76 by the cold-producing medium of this first and second pipe 66 and 68, reduce the heat exchange between this cold-producing medium and the room air effectively, make this cold-producing medium from room air, receive less heat.The refrigeration degree of guaranteeing the room like this can be lowered to low refrigeration load proportional.
Therefore, the refrigeration temperature in room can be regulated with higher refrigeration load sensitivity.
Simultaneously, though top description is limited in this path converting 70 is installed in the indoor heat converter 54, still path converting 70 can be arranged in the outdoor heat converter 52, with according to adding the flow path of thermal force conversion, be used to control heating efficiency by the cold-producing medium of this outdoor heat converter 52.
And in optional embodiment of the present invention, compressor 50 can be a variable displacement compressor.Utilize variable displacement compressor to have some advantages.For example, can reduce the size of the refrigerant path inside this heat exchanger and the consumption that reduces the required electric energy of this compressor of driving.Also have, can respond refrigeration load more delicately, therefore, can realize the raising of freezing capacity.
From top description, obviously find out, be used for having following effect according to the heat exchanger of air-conditioner of the present invention.
At first, according to the present invention, path converting is arranged in the pipe that forms refrigerant path in this heat exchanger.This path converting is used for according to refrigeration or adds the flow path of thermal force conversion by the cold-producing medium of this pipe, and regulates the flow velocity of this cold-producing medium.The use of this path converting has the effect according to its refrigeration of external load achieve effective control or heating efficiency.
Secondly, when the heat exchanger with path converting uses with the variable-displacement compressor, even under low load-up condition, also can realize the change of capacity with the power consumption of reduction.
Though described the preferred embodiments of the present invention for illustrative purposes, it will be understood by those of skill in the art that and under the situation that does not break away from the scope and spirit essence of the present invention that is defined by the claims, can carry out various modifications, interpolation and alternative.
Claims (10)
1. heat exchanger that uses in air-conditioner comprises:
Be formed on heat exchanger body the inside and be used to refrigerant path that cold-producing medium is passed through; And
At least one is arranged in the refrigerant path to change the path converting of refrigerant flowpath, so that regulate the flow velocity by the cold-producing medium of this refrigerant path.
2. heat exchanger according to claim 1, wherein this path converting comprises:
Make bypass path by the cold-producing medium shunting of this refrigerant path; And
Open or close the open/closed valve of this bypass path.
3. heat exchanger according to claim 2, wherein this at least one path converting comprises a plurality of path convertings.
4. heat exchanger according to claim 2, wherein this refrigerant path comprises:
Suck the suction header of cold-producing medium;
Discharge discharge collector through the cold-producing medium of heat exchange; And
At least one is connected in this suction header this discharge collector, is used to pipe that refrigerator is passed through.
5. heat exchanger according to claim 4, wherein this bypass path is formed between this pipe and this discharge collector.
6. heat exchanger according to claim 2, wherein this open/closed valve is installed in the link position between this refrigerant path and this bypass path.
7. heat exchanger according to claim 2, wherein this open/closed valve is a triple valve.
8. heat exchanger according to claim 4, wherein this at least one pipe comprises a plurality of pipes from this suction header branch.
9. heat exchanger according to claim 8, wherein, this at least one path converting comprises a plurality of path convertings, and the bypass path of each this path converting is connected in one of them relevant pipe.
10. heat exchanger according to claim 4,
Wherein this pipe has the shape of a plurality of bendings, and
Wherein this bypass path is connected in this discharge collector with the sweep of this pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040106351 | 2004-12-15 | ||
| KR1020040106351A KR100688168B1 (en) | 2004-12-15 | 2004-12-15 | Heat exchanger of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1789865A true CN1789865A (en) | 2006-06-21 |
| CN100371658C CN100371658C (en) | 2008-02-27 |
Family
ID=36585906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101369419A Expired - Fee Related CN100371658C (en) | 2004-12-15 | 2005-12-15 | Heat exchanger and air conditioner using the same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060150667A1 (en) |
| JP (1) | JP2006170608A (en) |
| KR (1) | KR100688168B1 (en) |
| CN (1) | CN100371658C (en) |
| CA (1) | CA2529867A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429971A (en) * | 2012-01-20 | 2013-12-04 | 松下电器产业株式会社 | Refrigeration-cycle apparatus |
| CN109539614A (en) * | 2018-11-09 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its energy adjustment method |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2005094B1 (en) * | 2006-04-07 | 2019-10-30 | Wärtsilä Gas Solutions Norway AS | Method and apparatus for pre-heating lng boil-off gas to ambient temperature prior to compression in a reliquefaction system |
| JP2008267496A (en) * | 2007-04-20 | 2008-11-06 | Taiyo Nippon Sanso Corp | Hydrogen gas cooling device |
| US20080264080A1 (en) * | 2007-04-24 | 2008-10-30 | Hunter Manufacturing Co. | Environmental control unit for harsh conditions |
| US9915454B2 (en) | 2012-03-29 | 2018-03-13 | Mitsubishi Electric Corporation | Air-conditioning apparatus including heat exchanger with controlled heat exchange amount |
| DE102012222620A1 (en) * | 2012-12-10 | 2014-06-12 | Bayerische Motoren Werke Aktiengesellschaft | Gas cooling device for use in air conditioning apparatus of motor car, has extraction unit over which fluid emerges from device, and switching unit changing heat exchanger surface, over which fluid flows |
| US10048025B2 (en) | 2013-01-25 | 2018-08-14 | Trane International Inc. | Capacity modulating an expansion device of a HVAC system |
| CN105899907B (en) * | 2014-02-17 | 2019-01-22 | 三菱日立电力系统株式会社 | Heat exchanger |
| KR101770643B1 (en) | 2015-12-10 | 2017-08-23 | 엘지전자 주식회사 | Outdoor heat exchanger and Air conditioner comprising the same |
| CN111426103A (en) * | 2020-02-28 | 2020-07-17 | 青岛海尔空调电子有限公司 | Heat exchange device, air conditioner and control method of air conditioner |
| US11859918B2 (en) * | 2020-04-28 | 2024-01-02 | Hamilton Sundstrand Corporation | Crossflow/counterflow subfreezing plate fin heat exchanger |
| US11512901B2 (en) * | 2020-09-25 | 2022-11-29 | Rheem Manufacturing Company | Adjustable capacity heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4168030A (en) * | 1976-10-22 | 1979-09-18 | Timmerman Robert W | Waste heat utilization system |
| US4209062A (en) * | 1978-02-10 | 1980-06-24 | Karmazin Products Corporation | Heat exchanger construction |
| JPS6260870A (en) * | 1985-09-10 | 1987-03-17 | Nissin Electric Co Ltd | Cracker cell |
| JPH01137174A (en) * | 1987-11-20 | 1989-05-30 | Showa Alum Corp | Condenser |
| JP2852384B2 (en) * | 1988-12-23 | 1999-02-03 | 株式会社リコー | Lens control device |
| JP2875309B2 (en) * | 1989-12-01 | 1999-03-31 | 株式会社日立製作所 | Air conditioner, heat exchanger used in the device, and control method for the device |
| JP3201651B2 (en) * | 1992-06-18 | 2001-08-27 | 株式会社タクマ | Tube heat exchanger with temperature control device |
| JPH07127948A (en) * | 1992-11-02 | 1995-05-19 | Nippondenso Co Ltd | Refrigerant condenser |
| US5806586A (en) * | 1993-07-03 | 1998-09-15 | Ernst Flitsch Gmbh & Co. | Plate heat exchanger with a refrigerant distributor |
| US5443112A (en) * | 1994-06-21 | 1995-08-22 | Scheideman; Floyd P. | Water flow and heat exchange control system and method between heat source and water reservoir |
| GB9812238D0 (en) * | 1998-06-08 | 1998-08-05 | Schack Engineering Gb Limited | Heat exchanger |
| CN1407309A (en) * | 2001-09-12 | 2003-04-02 | 曹毅文 | Adjusting heat exchanger |
-
2004
- 2004-12-15 KR KR1020040106351A patent/KR100688168B1/en not_active IP Right Cessation
-
2005
- 2005-12-12 CA CA002529867A patent/CA2529867A1/en not_active Abandoned
- 2005-12-14 US US11/302,386 patent/US20060150667A1/en not_active Abandoned
- 2005-12-15 CN CNB2005101369419A patent/CN100371658C/en not_active Expired - Fee Related
- 2005-12-15 JP JP2005361553A patent/JP2006170608A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429971A (en) * | 2012-01-20 | 2013-12-04 | 松下电器产业株式会社 | Refrigeration-cycle apparatus |
| US9243826B2 (en) | 2012-01-20 | 2016-01-26 | Panasonic Intellectual Property Management Co., Ltd. | Refrigeration cycle using a refrigerant having negative saturated vapor pressure with condensation path backflow control and refrigeration cycle using a refrigerant having negative saturated vapor pressure with evaporation path load bypass |
| CN103429971B (en) * | 2012-01-20 | 2016-03-30 | 松下知识产权经营株式会社 | Freezing cycle device |
| CN109539614A (en) * | 2018-11-09 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its energy adjustment method |
| CN109539614B (en) * | 2018-11-09 | 2019-10-18 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its energy adjustment method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100688168B1 (en) | 2007-03-02 |
| CN100371658C (en) | 2008-02-27 |
| US20060150667A1 (en) | 2006-07-13 |
| JP2006170608A (en) | 2006-06-29 |
| KR20060067543A (en) | 2006-06-20 |
| CA2529867A1 (en) | 2006-06-15 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20191215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |