CN1129751C - Multi-type air conditioner - Google Patents
Multi-type air conditioner Download PDFInfo
- Publication number
- CN1129751C CN1129751C CN98115930A CN98115930A CN1129751C CN 1129751 C CN1129751 C CN 1129751C CN 98115930 A CN98115930 A CN 98115930A CN 98115930 A CN98115930 A CN 98115930A CN 1129751 C CN1129751 C CN 1129751C
- Authority
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- China
- Prior art keywords
- unit
- heat converter
- indoor heat
- heat exchange
- exchange medium
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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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract 3
- 238000007599 discharging Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A multi-air conditioner for cooling and heating includes a compressor, an outdoor heat exchanger, a couple of indoor heat exchangers, a four-way valve, an auxiliary tank, a temperature detecting sensor and a couple of motor expansion valves. The auxiliary tank restricts overload and heat exchange media from being supplied to the indoor heat exchanger excessively by storing remaining heat exchange media from the compressor in using the single indoor heat exchanger during cooling. A couple of motor expansion valves are installed in a circulating pipe between indoor and outdoor heat exchangers to regulate flow of heat exchange media. The degree of opening of the motor expansion valves is regulated according to outdoor temperature, so that efficiency of cooling and heating is high and is independent of operation state, and the structure of the air conditioner is simple, size is small.
Description
Technical field
The present invention relates to a kind of multi-type air conditioner, it has a compressor, is connected with two above indoor heat converters, especially, relate to a kind of like this multi-type air conditioner, according to the variation of condition of work, regulate the flow velocity of heat exchange medium, high heating/refrigerating efficiency is arranged.
Background technology
Usually, air-conditioner is that a kind of it comprises compressor with the equipment of room air status adjustment to optimum state, outdoor heat converter, capillary, and indoor heat converter.
Recently, multi-type air conditioner comes into vogue because of its very high efficient and relatively low power consumption, and this multi-type air conditioner is configured to a plurality of indoor heat converters are installed in parallel individually indoor, and is connected with compressor.
Hereinafter, with reference to Fig. 1, above-mentioned multi-type air conditioner is described compactly.
As shown in Figure 1, multi-type air conditioner is the equipment of a kind of heating the/refrigerating operaton, has two compressors 11 and 20, three capillaries 31 of 12 and outdoor heat converters, 32a and 32b, and three indoor heat converters 41,42a, 42b.
Each side at multiple-unit indoor heat converter 42a and 42b is connected with magnetic valve 62a and 62b respectively, in order to the operation of control indoor heat converter 42a and 42b.
In addition, cross valve 51 and 52 changes from the flow direction of compressor 11 and 12 heat exchange mediums of discharging.
As above-mentioned, in the multi-type air conditioner, heat exchange medium circulates in indoor heat converter 41 and a pair of in- room switch 42a and 42b by compressor 11 and 12 respectively, has separately independently circulation.
In addition, by On/Off magnetic valve 62a and 62b, along with needs, one or two among indoor heat converter 42a and the 42b moves selectively.By the manipulation of magnetic valve 62a between indoor heat converter 42a and 42b and capillary 32a and the 32b, indoor heat converter 42a and 42b move selectively in refrigeration mode; By the magnetic valve 62b between indoor heat converter 42a and 42b and the multiunit compressor 12, indoor heat converter 42a and 42b move selectively in heating mode.
Yet in traditional multi-type air conditioner, the flow velocity of the heat exchange medium of discharging from the multiple-unit compressor can only be set at one-to-many unit indoor heat converter and move simultaneously.
Therefore, one in two multiple-unit indoor heat converters in use, and excessive heat exchange medium is provided for the heat exchanger in the use.This can cause the overload of indoor heat converter and compressor, and therefore, energy consumption increases, and the performance of compressor reduces.
In order to solve this shortcoming, the korean patent application No.98-12050 by the same assignee of the present invention proposes is entitled as " multi-type air conditioner that has the heating/refrigeration mode of the bypass parts of regulating the heat exchange medium flow velocity ".According to the multi-type air conditioner of korean patent application No.98-12050, one in indoor heat converter in use, and a part of heat exchange medium of discharging from compressor is back to compressor by the bypass parts, therefore, can avoid its overload.
Also have, the capillary of traditional multi-type air conditioner can not as the variation of outdoor temperature or parameter like that, be regulated the flow velocity of the heat exchange medium of inflow indoor heat exchanger according to operation conditions.
Therefore, if outdoor operation conditions meets the predefined situation of air-conditioner, the heating of air-conditioner/refrigerating efficiency maximum, otherwise efficient reduces.
Further, the multi-type air conditioner of traditional heating/refrigerating operaton has many parts, in order to regulate the flowing velocity of thermal conversion medium, as capillary, magnetic valve, wait like that, therefore, air-conditioner needs big installing space around it, thereby becomes heavy.
Summary of the invention
An object of the present invention is to provide a kind of multi-type air conditioner, change, regulate the flow velocity of heat exchange medium, thereby improve its heating/refrigerating efficiency according to outdoor temperature.
Another object of the present invention is by simplifying the element of regulating the heat exchange medium flow velocity, a kind of multi-type air conditioner of reduced size to be provided, thereby to have less installing space.
In order to achieve the above object, the invention provides a kind of multi-type air conditioner, comprising: a compressor, an outdoor heat converter, a pair of indoor heat converter, a cross valve, an auxiliary tank, a temperature sensor and a pair of electric expansion valve.
Indoor heat converter is connected in parallel each other, be arranged between compressor and the outdoor heat converter, the loop direction of cross valve transition heat exchange media, so that heat exchange medium circulates, pass through compressor successively, outdoor heat converter, and indoor heat converter, and along its opposite direction circulation.
Auxiliary tank is arranged between cross valve and the indoor heat converter, when one in the indoor heat converter in use the time, stores the remaining heat exchange medium of discharging from compressor, so excessive heat exchange medium is not defeated by the indoor heat converter in the use.Thus, can avoid the overload of indoor heat converter.
In addition, electric expansion valve is arranged on each circulation line that connects indoor heat converter and outdoor heat converter, regulates the flow velocity of heat exchange medium.Opening degree according to the adjustment electric expansion valve of outside air.If be in the heating operation in the used indoor heat converter, open a little with the electric expansion valve that obsolete indoor heat converter is connected, make a spot of heat exchange medium circular flow cross obsolete indoor heat converter.The degree of electronic expansion opening of valves is to 3/2nds from one of two percentages of its full-gear.
The invention provides a kind of multi-type air conditioner that heating/refrigeration mode is arranged, comprising: independent cell compression machine and multiple-unit compressor, in order to heat of compression exchange media; Outdoor heat converter has peripheral passage, independent unit and multiple-unit peripheral passage; Independent unit indoor heat converter connects the peripheral passage, independent unit and the described independent cell compression machine of described outdoor heat converter; Capillary is arranged between the peripheral passage, independent unit and described independent unit indoor heat converter of described outdoor heat converter; Independent unit cross valve, loop direction in order to the transition heat exchange media, so that the heat exchange medium circular flow is through described independent cell compression machine, the peripheral passage, independent unit of described outdoor heat converter, described capillary and described indoor heat converter, and along its opposite direction circulation; One-to-many unit indoor heat converter is connected with described multiple-unit compressor with the multiple-unit peripheral passage of described outdoor heat converter respectively, and in parallel each other; The multiple-unit cross valve, in order to the loop direction of transition heat exchange media, so that the heat exchange medium circular flow is through described multiple-unit compressor, the multiple-unit peripheral passage of described outdoor heat converter, with described multiple-unit indoor heat converter, and along its opposite direction circulation; Auxiliary tank interconnects with described cross valve and described indoor heat converter, in order to when one in the indoor heat converter in use the time, stores remaining heat exchange medium; Temperature sensor is in order to detect extraneous air themperature; A pair of electric expansion valve, be arranged on the circulation line separately of the multiple-unit peripheral passage that connects described multiple-unit outdoor heat converter and a pair of described multiple-unit indoor heat converter, in order to regulate the flow velocity of heat exchange medium, and the air themperature that detects according to described temperature sensor, the degree of regulating its unlatching.
According to the present invention and since the flow velocity of heat exchange medium be by expansion valve according to ambient temperature, change opening degree and regulate, heating/refrigerating efficiency improves greatly.
And when only there being an indoor heat converter to use under refrigeration mode, the delayed heat exchange media of discharging from compressor is stored in the auxiliary tank.Accordingly, owing to causing the possibility of the indoor heat exchange medium overload in the use, excessive heat exchange medium avoided.
In addition, by the flowing velocity of using electric expansion valve to regulate heat exchange medium, use less parts, the size of multi-type air conditioner reduces.
Description of drawings
Below with reference to accompanying drawings, preferred embodiment is described in detail, can more clearly understands above-mentioned purpose and advantage thus, wherein:
Fig. 1 illustrates an embodiment of multi-type air conditioner in the correlation technique; And
Fig. 2 illustrates the make of multi-type air conditioner according to a preferred embodiment of the present invention.
The specific embodiment
The structure of multi-type air conditioner as shown in Figure 2 according to the preferred embodiment of the invention.
With reference to outdoor heat converter of label 120 expressions, have peripheral passage, an independent unit 121 and a multiple-unit peripheral passage 122 among the figure.
An end of peripheral passage, unit 121 interconnects by independent unit cross valve 151 and independent cell compression machine 111 separately, and its other end interconnects by independent unit capillary 131 and independent unit indoor heat converter 141.Unit indoor heat converter 141 also interconnects by independent unit cross valve 151 and independent cell compression machine 111 separately.
Equally, an end of multiple-unit peripheral passage 122 interconnects by multiple-unit cross valve 152 and multiple-unit compressor 112, and its other end interconnects with one-to-many unit indoor heat converter 142a and 142b respectively by each branch of circulation line 101.Electric expansion valve 132a and 132b branch are installed in the branch of circulation line 101 in addition.Multiple-unit indoor heat converter 142a also is connected with multiple-unit cross valve 152 by the branch of circulation line 102 with 142b.The branch of circulation line 102 combines, and interconnects with multiple-unit cross valve 152.
By means of circulation line 102, auxiliary tank 182 and multiple-unit indoor heat converter 142a and 142b interconnect, and interconnect with multiple-unit cross valve 152.
Temperature sensor 161 of additional outfit is in order to detect ambient temperature.
Multi-type air conditioner is configured to according to the preferred embodiment of the invention: unit heat exchange circulation and multiple-unit heat exchange circulation moves as follows respectively separately.
At first, in the unit heat exchange circulates separately, circulation by heat exchange medium realizes refrigerating operaton, just, the heat exchange medium independent cell compression machine 111 of flowing through, unit cross valve 151 separately, the peripheral passage, independent unit 121 of outdoor heat converter 120, independent unit capillary 131, unit indoor heat converter 141 is got back to independent cell compression machine 111 by independent unit cross valve 151 separately.
If heat exchange medium is by cross valve 151, rightabout by above-mentioned direction circulates, promptly, the independent cell compression machine 111 if heat exchange medium is flowed through, independent unit indoor heat converter 141, independent unit capillary 131, the peripheral passage, independent unit 121 of outdoor heat converter 120, thus unit indoor heat converter 141 realizes heating operation by the HTHP heat exchange medium of discharging from compressor 111 separately.
Simultaneously, multiple-unit heat exchange circulation comprises: compressor 112, cross valve 152, the multiple-unit peripheral passage 122 of outdoor heat converter 120, multiple-unit electric expansion valve 132a and 132b, multiple-unit indoor heat converter 142a and 142b, the mode that its refrigeration/heating operation realizes is with heat exchange circulation in unit is identical separately.
Difference between the heat exchange circulation is: by the multiple-unit indoor heat converter 142a and the 142b of multiple-unit heat exchange circulation, heating/refrigerating operaton can be realized simultaneously in two spaces.
In multiple-unit heat exchange circulation, adopt one-to-many unit electric expansion valve 132a and 132b, play effect capillaceous.More particularly, according to the ambient temperature that temperature sensor 131 detects, regulate the degree that electric expansion valve 132a and 132b open.In this case, be input to multiple-unit indoor heat converter 142a and 142b under the refrigeration mode, and the heat exchange medium separately that flow into the multiple-unit peripheral passage 122 of outdoor heat converter 120 under the heating mode, its flow velocity is conditioned.Thereupon, multi-type air conditioner provides higher heating/refrigerating efficiency, and irrelevant with variations in temperature.
Further, when the 142b of one of multiple-unit indoor heat converter 142a and 142b is not used, close with the interconnective electric expansion valve 132b of obsolete indoor heat converter 142b.Thereupon, heat exchange medium no longer is input to indoor heat converter 142b.
Preferably, 142b does not use when indoor heat converter, and in refrigeration mode, electric expansion valve 132b interconnective with it closes fully; In heating mode, one of two percentages of opening its full-gear a little are to three (1/200～3/200).At this moment, more preferred, electric expansion valve 132b opens one of percentage of its full-gear.
In heating mode, under the situation of extraneous low temperature, unlocking electronic expansion valve 132b a little, low temperature heat exchange medium and elevated temperature heat exchange media mix, wherein, indoor heat converter 142a and electric expansion valve 132a during the low temperature heat exchange medium is flowed through and used, the indoor heat converter 142b that the elevated temperature heat exchange media is flowed through and is not used.Therefore, can avoid the heat exchange medium in the outdoor heat converter 120 to freeze, and the efficiency of heating surface of air-conditioner can not reduce.
In addition, when the multiple-unit heat exchanger has only one in use, auxiliary tank 182 is stored remaining heat exchange medium, so that an amount of heat exchange medium is input to the heat exchanger in the use.Therefore, heat exchange medium no longer excessively circulates, so that the multiple-unit indoor heat converter in using and the overload of compressor are avoided.
According to above-mentioned the present invention, based on ambient temperature, regulate the flow velocity of heat exchange medium by the different opening degrees of electric expansion valve, air-conditioner can obtain higher heating/refrigerating efficiency, and irrelevant with its operation conditions.In addition, when another indoor heat converter heated operation, the electric expansion valve of obsolete indoor heat converter was opened a little.The result is, under the situation of extraneous low temperature, freezes owing to outdoor heat converter that to cause the efficiency of heating surface to reduce be avoidable.
And in refrigerating operaton, when having only an indoor heat converter in use, remaining heat exchange medium is stored in the auxiliary tank.Correspondingly, the indoor heat converter in the use always is provided an amount of heat exchange medium, has therefore avoided overload.
Also have, use electric expansion valve to replace some parts, make this product diminish, its installing space has also reduced.
With reference to its preferred embodiment, described the present invention in detail, it will be understood by those skilled in the art that and can realize that it is in form and the variation on the details.And the spirit and scope of the present invention of not leaving appended claims and being limited.
Claims (3)
1. the multi-type air conditioner of heating/refrigeration mode is arranged, comprising:
Independent cell compression machine and multiple-unit compressor are in order to heat of compression exchange media;
Outdoor heat converter has peripheral passage, independent unit and multiple-unit peripheral passage;
Independent unit indoor heat converter connects the peripheral passage, independent unit and the described independent cell compression machine of described outdoor heat converter;
Capillary is arranged between the peripheral passage, independent unit and described independent unit indoor heat converter of described outdoor heat converter;
Independent unit cross valve, loop direction in order to the transition heat exchange media, so that the heat exchange medium circular flow is through described independent cell compression machine, the peripheral passage, independent unit of described outdoor heat converter, described capillary and described indoor heat converter, and along its opposite direction circulation;
One-to-many unit indoor heat converter is connected with described multiple-unit compressor with the multiple-unit peripheral passage of described outdoor heat converter respectively, and in parallel each other;
The multiple-unit cross valve, in order to the loop direction of transition heat exchange media, so that the heat exchange medium circular flow is through described multiple-unit compressor, the multiple-unit peripheral passage of described outdoor heat converter, with described multiple-unit indoor heat converter, and along its opposite direction circulation;
Auxiliary tank interconnects with described cross valve and described indoor heat converter, in order to when one in the indoor heat converter in use the time, stores remaining heat exchange medium;
Temperature sensor is in order to detect extraneous air themperature;
A pair of electric expansion valve, be arranged on the circulation line separately of the multiple-unit peripheral passage that connects described multiple-unit outdoor heat converter and a pair of described multiple-unit indoor heat converter, in order to regulate the flow velocity of heat exchange medium, and the air themperature that detects according to described temperature sensor, the degree of regulating its unlatching.
2. multi-type air conditioner as claimed in claim 1, wherein, when heat exchange medium circulates in opposite direction, and one in the described multiple-unit indoor heat converter in use, the described electric expansion valve that connects described obsolete multiple-unit indoor heat converter is opened a little, the described obsolete multiple-unit indoor heat converter thereby the heat exchange medium of little flow velocity is flowed through.
3. multi-type air conditioner as claimed in claim 2, wherein, the opening degree of described electric expansion valve at one of two percentages of its full-gear in 23 percent scope.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR13972/98 | 1998-04-20 | ||
| KR13972/1998 | 1998-04-20 | ||
| KR1019980013972A KR100329472B1 (en) | 1998-04-20 | 1998-04-20 | Multi-air conditioner for cooling and heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1232942A CN1232942A (en) | 1999-10-27 |
| CN1129751C true CN1129751C (en) | 2003-12-03 |
Family
ID=19536449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98115930A Expired - Fee Related CN1129751C (en) | 1998-04-20 | 1998-07-07 | Multi-type air conditioner |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR100329472B1 (en) |
| CN (1) | CN1129751C (en) |
| ES (1) | ES2155745B1 (en) |
| IT (1) | IT1303218B1 (en) |
| SA (1) | SA98190284B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534708A (en) * | 2015-01-07 | 2015-04-22 | 刘雄 | Air conditioner refrigeration device |
| KR101665112B1 (en) | 2016-03-28 | 2016-10-12 | 주식회사 프리쉐 | Air conditioning unit |
| CN106801920A (en) * | 2017-02-17 | 2017-06-06 | 海信科龙电器股份有限公司 | A kind of recuperated cycle system and its control method, air-conditioning |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644756A (en) * | 1983-12-21 | 1987-02-24 | Daikin Industries, Ltd. | Multi-room type air conditioner |
| JPH07111283B2 (en) * | 1987-03-20 | 1995-11-29 | 株式会社日立製作所 | Multi-room air conditioner |
| US5025634A (en) * | 1989-04-25 | 1991-06-25 | Dressler William E | Heating and cooling apparatus |
| TW212224B (en) * | 1992-02-28 | 1993-09-01 | Sanyo Denki Kk | |
| JP3223391B2 (en) * | 1993-01-11 | 2001-10-29 | 株式会社日立製作所 | Air conditioner and outdoor unit used for it |
| JP3060770B2 (en) * | 1993-02-26 | 2000-07-10 | ダイキン工業株式会社 | Refrigeration equipment |
| JP3289366B2 (en) * | 1993-03-08 | 2002-06-04 | ダイキン工業株式会社 | Refrigeration equipment |
| TW299392B (en) * | 1994-04-19 | 1997-03-01 | Sanyo Electric Co | |
| JP3054564B2 (en) * | 1994-11-29 | 2000-06-19 | 三洋電機株式会社 | Air conditioner |
| CA2212640C (en) * | 1995-02-08 | 2002-11-26 | Thermo King Corporation | Transport temperature control system having enhanced low ambient heat capacity |
| US5628201A (en) * | 1995-04-03 | 1997-05-13 | Copeland Corporation | Heating and cooling system with variable capacity compressor |
-
1998
- 1998-04-20 KR KR1019980013972A patent/KR100329472B1/en not_active IP Right Cessation
- 1998-07-07 CN CN98115930A patent/CN1129751C/en not_active Expired - Fee Related
- 1998-07-12 SA SA98190284A patent/SA98190284B1/en unknown
- 1998-07-13 ES ES009801477A patent/ES2155745B1/en not_active Expired - Lifetime
- 1998-08-07 IT IT1998TO000691A patent/IT1303218B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ES2155745B1 (en) | 2001-11-16 |
| IT1303218B1 (en) | 2000-11-02 |
| ITTO980691A1 (en) | 2000-02-07 |
| KR19990080600A (en) | 1999-11-15 |
| ITTO980691A0 (en) | 1998-08-07 |
| ES2155745A1 (en) | 2001-05-16 |
| SA98190284B1 (en) | 2006-11-11 |
| KR100329472B1 (en) | 2002-08-08 |
| CN1232942A (en) | 1999-10-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031203 Termination date: 20160707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |