| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | AIR-CONDITIONING APPARATUS | US13501325 | 2009-10-29 | US20120198879A1 | 2012-08-09 | Yuji Motomura; Koji Yamashita; Hiroyuki Morimoto; Shinichi Wakamoto; Naofumi Takenaka |
| An air-conditioning apparatus including an outdoor unit having a compressor compressing a refrigerant and a heat source side heat exchanger exchanging heat between the refrigerant and air; a plurality of indoor units having use side heat exchangers exchanging heat between a heat medium that flows therein and air; and a relay unit disposed between the outdoor unit and the indoor units, the relay unit exchanging heat between the refrigerant conveyed from the outdoor unit and the heat medium flowing in the indoor units, in which the relay unit includes a main relay unit that is connected to the outdoor unit with two pipings and a sub relay unit that is connected to the main relay unit with three pipings. | ||||||
| 142 | AIR CONDITIONING DEVICE | US13391444 | 2009-09-10 | US20120151949A1 | 2012-06-21 | Koji Yamashita; Hiroyuki Morimoto; Yuji Motomura; Shinichi Wakamoto; Naofumi Takenaka |
| To provide an air-conditioning apparatus capable of achieving energy saving. An air-conditioning apparatus controls first heat medium flow switching devices and second heat medium flow switching devices in a heating only operation mode and a cooling only operation mode such that a flow rate through which a heat medium circulates is formed between all of the heat exchangers related to heat medium and at least one of use side heat exchangers. | ||||||
| 143 | HEAT PUMP SUPPLY APPARATUS HAVING A COMBINED USE WITH AN AIR CONDITIONER | US13163420 | 2011-06-17 | US20120111032A1 | 2012-05-10 | Hyoungsuk WOO; Jongchul Ha |
| A hot water supply apparatus for combined use with an air conditioner is provided that may include an indoor unit having an indoor heat exchanger to heat exchange a first refrigerant with indoor air, and a cascade hot water heater connected to the indoor unit to receive the first refrigerant and to provide a second refrigerant to heat water. The cascade hot water heater may perform a heat exchange between the first refrigerant and a second refrigerant. The cascade hot water heater may include a capacity variable compressor to limit a maximum flowing amount of the second refrigerant and increase a flowing amount of the first refrigerant to flow to the indoor unit. | ||||||
| 144 | HEAT PUMP SYSTEM | US13202628 | 2010-02-23 | US20110302949A1 | 2011-12-15 | Masahiro Honda |
| A heat pump system includes a first usage unit operable to perform a hot-water supply operation to heat an aqueous medium and a second usage unit operable to perform air-cooling and air-warming operations to cool or heat an air medium. The first and second usage units are both connected to a heat source unit in such a manner that the first and second usage units are incapable of individually selecting and performing a hot-water supply operation, an air-cooling operation, or an air-warming operation. The heat pump system is capable of switching operation to a thermoregulation mode different from the switched state of a heat-source-side switching mechanism in response to a thermoregulation mode command issued by a first usage-side controller, a second usage side controller or a centralized controller. | ||||||
| 145 | HEAT PUMP SYSTEM | US13202608 | 2010-02-23 | US20110302948A1 | 2011-12-15 | Masahiro Honda |
| A heat pump system includes a heat source unit, a first usage unit, and a second usage unit. The heat source unit has a heat-source-side compressor, a heat-source-side heat exchanger, a heat-source-side blower, and a heat-source-side switching mechanism. The first usage unit has at least a radiation amount adjusting element, and a first usage-side flow rate adjustment valve. The second usage unit has at least a second usage-side flow rate adjustment valve. In a case in which the second usage unit performs an air-cooling operation and the first usage unit performs an aqueous medium heating operation, the amount of radiation adjusted by the radiation amount adjusting element or operating capacity of the heat-source-side blower is controlled in accordance with a state of the first usage-side flow rate adjustment valve and the second usage-side flow rate adjustment valve. | ||||||
| 146 | AIR CONDITIONER | US13044817 | 2011-03-10 | US20110219799A1 | 2011-09-15 | Hee PARK; Seong Soo Kang; In Kwon Hwang |
| An air conditioner is provided that may minimize lengths of pipes connecting a plurality of indoor devices and an outdoor device, facilitate connection between respective refrigerant pipes through a distribution device, and omit a separate cable to transmit/receive a control signal between the plurality of indoor devices and the distribution device. | ||||||
| 147 | AIR CONDITIONER | US12868318 | 2010-08-25 | US20110048053A1 | 2011-03-03 | Takashi Sekine |
| A triple-pipeline type first outdoor unit 2 connected to three inter-unit pipelines 5 made up of a high-pressure gas pipe 7, a low-pressure gas pipe 6, and a fluid pipe 8 and a second outdoor unit 3 connected by two pipelines of a gas pipe 35 and a fluid pipe 36 are provided, in which a fluid pipe 36 of this second outdoor unit 3 is connected to the fluid pipe 8, while a gas pipe 35 of the second outdoor unit is selectively connected to the high-pressure gas pipe 7 or the low-pressure gas pipe 6 using a valve-element kit 50 having a four-way valve 51. | ||||||
| 148 | REFRIGERATION SYSTEM | US12921026 | 2009-03-05 | US20100326125A1 | 2010-12-30 | Satoru Sakae; Masaaki Takegami |
| In a refrigeration system in which a compressor mechanism including a plurality of compressors, oil separators (37a, 37b) are provided at a discharge pipe (56a) of a first compressor (14a) and a discharge pipe (56b) of a second compressor (14b), respectively. An oil return passageway (32) for returning refrigerating machine oil from the oil separators (37a, 37b) to a compressor mechanism (40) is configured to combine streams of refrigerating machine oil separated in the oil separators (37a, 37b) and distribute the combined refrigerating machine oil to the first compressor (14a) and the second compressor (14b). | ||||||
| 149 | Multi type air-conditioner and control method thereof | US11349891 | 2006-02-09 | US07793511B2 | 2010-09-14 | Seok-Ho Yoon; Ki-Bum Kim; Pil-Hyun Yoon; Jin-Ha Choi; Balk-Young Chung |
| A multi type air-conditioner is provided. The multi type air conditioner includes an outdoor unit having a plurality of outdoor heat exchangers that heat-exchanges with outdoor air and a compressor that compresses a refrigerant; a plurality of indoor units that performs either cooling or heating; a high pressure pipe connected between a discharge side of the compressor and the plurality of indoor units; a low pressure pipe connected between a suction side of the compressor and the plurality of indoor units; and a refrigerant exhauster provided between the high pressure pipe and the low pressure pipe. The refrigerant exhauster discharges a liquid refrigerant to the low pressure pipe when the liquid refrigerant is accumulated in the high pressure pipe, whereby degradation of cooling capability due to a lack of refrigerant may be prevented by minimizing accumulation of the liquid refrigerant in the high pressure pipe in a cooling operation mode. | ||||||
| 150 | AIR CONDITIONER | US12524007 | 2008-01-23 | US20100101256A1 | 2010-04-29 | Satoshi Kawano; Shinya Matsuoka |
| Out of switching mechanisms (30A, 30B), the switching mechanism (30A) connected to an indoor heat exchanger (41) performing a heating operation is configured so that the opening of a supercooling control valve (53) is adjusted according to the air conditioning load of another indoor heat exchanger (41) performing a cooling operation downstream of a liquid connection pipe (13) connected to the former indoor heat exchanger (41). | ||||||
| 151 | TEMPERATURE CONTROL SYSTEM WITH A DIRECTLY-CONTROLLED PURGE CYCLE | US12245974 | 2008-10-06 | US20100083679A1 | 2010-04-08 | Kim Carl Kolstad; Panayu Robert Srichai; William Francis Mohs; YoungChan Ma; Robert Lattin |
| A temperature control system includes a compressor, a condenser, an evaporator, and an accumulator. A liquid level sensor is associated with the accumulator tank generates a signal indicative of the level of the liquid heat transfer fluid inside the accumulator. A valve is in fluid communication with the condenser, the compressor, and the evaporator and is operable in a first position and a second position. The first position directs the heat transfer fluid from the compressor to the condenser, and the second position directs the heat transfer fluid from the compressor to the evaporator without passing through the first heat exchanger. A controller is in electrical communication with the liquid level sensor and the valve and is operable to receive the signal and move the valve from the first position to the second position based on the signal. | ||||||
| 152 | AIR CONDITIONER | US12298667 | 2007-04-27 | US20090255284A1 | 2009-10-15 | Manabu Yoshimi |
| A refrigerant circuit and an operation control means are provided. A refrigerant circuit is configured by the interconnection of a heat source unit, a plurality of utilization units, and expansion mechanisms. The heat source unit has a compressor and a heat source side heat exchanger. The utilization units have utilization side heat exchangers. The operation control means is capable of performing a refrigerant quantity judging operation to control constituent equipment such that a first state value becomes a first target control value. In addition, during the refrigerant quantity judging operation, the operation control means maintains a cooling capacity of a first utilization unit among the plurality of utilization units, which air conditions a predetermined space. | ||||||
| 153 | Multi type air-conditioner and control method thereof | US11354093 | 2006-02-15 | US07587909B2 | 2009-09-15 | Seok-Ho Yoon; Si-Kyong Sung; Do-Yong Ha; Jin-Ha Choi; Ho-Jong Jeong |
| A multi type air conditioner comprises: an outdoor unit including an outdoor heat exchanger heat-exchanged with the outdoor air, a compressor compressing a refrigerant, and a first four-way valve and a second four-way valve switching a refrigerant flow path; indoor units performing at least one of cooling operation and heating operation; and a distributor including a low pressure pipe connected between the first four-way valve and each of the indoor units, a high pressure pipe connected between the second four-way valve and each of the indoor units, and a refrigerant pipe connected between the outer heat-exchanger and each of the indoor units. Accordingly, flow resistance of a refrigerant is reduced in heating operation, thereby improving heating performance and heating efficiency, and the amount of refrigerant accumulated within a high pressure pipe is minimized in cooling operation, thereby improving cooling performance and cooling efficiency. | ||||||
| 154 | AIR CONDITIONING APPARATUS | US12108346 | 2008-04-23 | US20080196432A1 | 2008-08-21 | Daisuke SHIMAMOTO; Munehiro Yamanaka; Hidekazu Tani; Tomohiko Kasai; Masahiro Tsuda; Shuji Oura; Makoto Saitou |
| An air conditioning apparatus has plural indoor units having: plural heat exchangers; and flow controllers respectively corresponding to the heat exchangers. In each of the indoor units, one heat exchanger is used as a condenser, and another heat exchanger is used as an evaporator, thereby causing the indoor unit to perform a temperature and humidity controlling operation. An indoor unit(s) which is not set to perform the temperature and humidity controlling operation may be caused to perform a heating operation or a cooling operation. Capacity controls on the condensers and the evaporators are performed by corresponding flow controllers. Gas refrigerants ejected from plural heat exchangers serving as evaporators are joined together, and then distributed to plural heat exchangers serving as condensers. | ||||||
| 155 | Refrigeration System | US11661609 | 2005-09-02 | US20070245768A1 | 2007-10-25 | Satoru Sakae; Takenori Mezaki; Masaaki Takegami; Kazuyoshi Nomura; Azuma Kondo; Yoshinari Oda |
| A pressure regulating valve (71) is connected to the discharge side of a low stage compressor (55) to make the pressure in the suction side of high stage compressors (11, 12) lower than the pressure in a dome of the low stage compressor (55). Further, an oil return path (72) is connected to the dome of the low stage compressor (55) at one end and to the suction side of the high stage compressors (11, 12) by bypassing the pressure regulating valve (71) at the other end. With this configuration, refrigeration oil accumulated in the dome of the low stage compressor (55) is returned to the high stage compressors (11, 12). | ||||||
| 156 | MULTI-TYPE AIR CONDITIONER WITH DEFROSTING DEVICE | US11678974 | 2007-02-26 | US20070130967A1 | 2007-06-14 | Jong Han PARK; Young Min PARK; Chang Seon LEE; Sung Oh CHOI; Sung Chun KIM; Seung Yong CHANG; Seok Ho YOON; Baik Young CHUNG |
| Multi-type air conditioner comprising an outdoor unit installed in an outdoor, comprising a compressor, a refrigerant flow controlling part connected to a discharge end of the compressor for guiding the refrigerant proper to operation conditions selectively, an outdoor heat exchanger connected to the refrigerant flow controlling part, a defrosting device at a side of the outdoor heat exchanger, and a piping system connected between the parts, a plurality of indoor units each installed in a room and having an indoor heat exchanger and an electronic expansion valve having one end connected to one end of the indoor heat exchanger, and a distributor between the outdoor unit and the indoor units for selectively guiding refrigerant from the outdoor unit to the plurality of indoor units proper to operation conditions, and guiding the refrigerant passed through the indoor units to the outdoor unit again. | ||||||
| 157 | Refrigerating machine and intermediate-pressure receiver | US11151545 | 2005-06-14 | US07194873B2 | 2007-03-27 | Masahisa Otake; Hiroshi Mukaiyama; Koji Sato; Kunie Sekigami; Kazuaki Shikichi |
| A refrigerating machine equipped with a compressor 2 having an intermediate-pressure portion 2M in which refrigerant having intermediate pressure higher than the pressure of the refrigerant at the suction side thereof and lower than the pressure of the refrigerant at the discharge side thereof can be introduced, and an intermediate-pressure receiver 28 that is inserted in a flow path between an expansion valve 27a (27b) of a heat source side heat exchanger 3a (3b) and an expansion valve 18a (18b) of a using side heat exchanger 6a (6b), carries out gas-liquid separation on gas-liquid mixed refrigerant after the heat exchange in the heat source side heat exchanger or the using side heat exchanger, and then feeds gas-phase refrigerant to the intermediate-pressure portion 2M. | ||||||
| 158 | Refrigerating apparatus | US10489297 | 2003-07-02 | US07155928B2 | 2007-01-02 | Masaaki Takegami; Kenji Tanimoto |
| In a refrigerating apparatus in which a plurality of application-side heat exchangers (41, 45, 51) are connected to a heat-source side heat exchanger (4), liquid lines for a plurality of channels in a refrigerant circuit (1E) share a liquid side communication pipe (11) in order to reduce the number of pipes. Further, the liquid side communication pipe (11) is provided adjacent to a low-pressure gas side communication pipe (15) for at least one channel so as to contact it in order to supercool a liquid refrigerant by a low-pressure gas refrigerant. Thus, workability for connecting the pipes is improved and a refrigerating ability may not be decreased even if communication pipes (11, 15, 17) become long. | ||||||
| 159 | Multi type air-conditioner and control method thereof | US11354093 | 2006-02-15 | US20060179868A1 | 2006-08-17 | Seok-Ho Yoon; Si-Kyong Sung; Do-Yong Ha; Jin-Ha Choi; Ho-Jong Jeong |
| A multi type air conditioner comprises: an outdoor unit including an outdoor heat exchanger heat-exchanged with the outdoor air, a compressor compressing a refrigerant, and a first four-way valve and a second four-way valve switching a refrigerant flow path; indoor units performing at least one of cooling operation and heating operation; and a distributor including a low pressure pipe connected between the first four-way valve and each of the indoor units, a high pressure pipe connected between the second four-way valve and each of the indoor units, and a refrigerant pipe connected between the outer heat-exchanger and each of the indoor units. Accordingly, flow resistance of a refrigerant is reduced in heating operation, thereby improving heating performance and heating efficiency, and the amount of refrigerant accumulated within a high pressure pipe is minimized in cooling operation, thereby improving cooling performance and cooling efficiency. | ||||||
| 160 | Supercooling apparatus of simultaneous cooling and heating type multiple air conditioner | US11287391 | 2005-11-28 | US20060137381A1 | 2006-06-29 | Sung Choi; Seok Yoon; Young Park; Pil Yoon |
| Disclosed herein is a supercooling apparatus of a simultaneous cooling and heating type multiple air conditioner. The supercooling apparatus comprises a liquid pipe header connected to an outdoor heat exchanger, a plurality of branch liquid pipes branched from the liquid pipe header and connected to a plurality of indoor heat exchangers, respectively, and a supercooling mechanism mounted at at least one of the branch liquid pipes for cooling refrigerant flowing to the indoor heat exchangers. The liquid refrigerant discharged from the heating-side indoor heat exchangers is supercooled by supercooling heat exchangers, and is then introduced into the cooling-side indoor heat exchangers. Consequently, noise generated from the cooling-side heat exchangers during the simultaneous cooling and heating operation is reduced, and cooling capacity of the multi air conditioner is improved. | ||||||
QQ群二维码
意见反馈
意见反馈