| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | HEAT RECOVERY REFRIGERATION DEVICE | US14915018 | 2014-08-29 | US20160209084A1 | 2016-07-21 | Satoshi KAWANO; Tomohisa TAKEUCHI; Sayoko KIMURA; Shinya MATSUOKA |
| A heat recovery refrigeration device includes a compressor, a plurality of heat source side heat exchangers, and a plurality of usage side heat exchangers. The heat exchangers are switchable between individually functioning as an evaporator or a radiator. The heat recovery refrigeration device performs heat recovery between the usage side heat exchangers by sending the refrigerant from at least one of the usage side heat exchangers functioning as a radiator to at least one of the usage side heat exchangers functioning as an evaporator. The plurality of heat source side heat exchangers include a first heat source side heat exchanger and a second heat source side heat exchanger. The second heat source side heat exchanger has a heat exchange capacity 1.8 times to 4.0 times of the first heat source side heat exchanger. | ||||||
| 182 | VARIABLE REFRIGERANT FLOW SYSTEM OPERATION IN LOW AMBIENT CONDITIONS | US14930357 | 2015-11-02 | US20160161163A1 | 2016-06-09 | Der-Kai Hung |
| A system comprising a compressor coupled to a first coil through a first valve and a second coil through a second valve, wherein the first coil and the second coil are coupled to a third coil. The system further comprises a fan operable to blow ambient air across the first coil, a first expansion valve coupled to and positioned between the first coil and the third coil and a second expansion valve coupled to and positioned between the second coil and the third coil. The system comprises a controller operable to monitor a pressure of the refrigerant, operate the first expansion valve to reduce refrigerant flow into the first, and operate the second expansion valve to reduce refrigerant flow through the second coil. | ||||||
| 183 | METHODS AND SYSTEMS FOR OPERATING HVAC SYSTEMS IN LOW LOAD CONDITIONS | US14930291 | 2015-11-02 | US20160146522A1 | 2016-05-26 | Der-Kai Hung |
| A system comprising a compressor, a first valve coupled to the compressor and coupled to a first coil, a first expansion valve coupled to the first coil, a second coil, and a second expansion valve. The second expansion valve coupled to a third coil, a second valve coupled to the compressor and the third coil. A controller operable to operate the first valve, the first expansion valve, the second expansion valve, and the second valve. The second coil is coupled to the compressor and the refrigerant flows from the second coil to the compressor. | ||||||
| 184 | Heat pump supply apparatus having a combined use with an air conditioner | US13163420 | 2011-06-17 | US09234663B2 | 2016-01-12 | 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. | ||||||
| 185 | AIR-CONDITIONING APPARATUS | US14441334 | 2012-11-30 | US20150276240A1 | 2015-10-01 | Daisuke Shimamoto; Yuji Motomura; Osamu Morimoto; Takayoshi Honda; Tatsuo Ono; Koji Nishioka |
| In an air-conditioning apparatus including a plurality of indoor units connected to a heat medium converter and a plurality of remote controllers respectively provided for the indoor units, the remote controllers each include a temperature sensor that detect a temperature of a corresponding space to be air-conditioned, and are each configured to communicate with a heat medium converter controller of the heat medium converter and an indoor unit controller of the corresponding indoor unit, transmit an instruction to start and stop an operation and data related to rotation speed of an indoor air-sending device to the corresponding indoor unit controller, and transmit the instruction to start and stop the operation, and a target temperature and a temperature detected by the temperature sensor or a difference therebetween, to the heat medium converter controller. | ||||||
| 186 | Multi type air conditioner and method of controlling the same | US13433454 | 2012-03-29 | US09103556B2 | 2015-08-11 | Jaewan Lee; Sanghun Lee |
| A multi type air conditioner may include an outdoor unit, a distributor connected to the outdoor unit, and a plurality of indoor units connected to the distributor. The distributor may include a plurality of pipe ports. Two or more of the indoor units may be connected to one or more of the pipe ports to form an indoor unit group. An operation mode of the two or more indoor units forming the indoor unit group may operate in a reference mode that corresponds to an operation mode of a main indoor unit or an appropriate pipe port. | ||||||
| 187 | Refrigeration apparatus with a refrigerant collection operation between a plurality of outdoor units | US12524454 | 2008-01-11 | US09010135B2 | 2015-04-21 | Satoshi Kawano; Shinya Matsuoka |
| To a refrigerant circuit of an air conditioner as a refrigerating apparatus, a plurality of outdoor units are connected. In an operation state where the first outdoor unit is operated with the second outdoor unit stopped, the air conditioner performs refrigerant collection operation for collecting and retaining surplus refrigerant to and in a second outdoor heat exchanger of the second outdoor unit. During the refrigerant collection operation, a second outdoor expansion valve is closed fully, and a second outdoor fan is operated. Part of refrigerant discharged from a first compressor flows into the second outdoor heat exchanger during the refrigerant collection operation. The refrigerant flowing in the second outdoor heat exchanger dissipates heat to outdoor air to be condensed. Since the second outdoor expansion valve is closed fully, the condensed refrigerant is retained in the second outdoor heat exchanger. | ||||||
| 188 | Air conditioning apparatus | US13391444 | 2009-09-10 | US08943847B2 | 2015-02-03 | 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. | ||||||
| 189 | HEAT PUMP AND FLOW PATH SWITCHING APPARATUS | US14337674 | 2014-07-22 | US20150027154A1 | 2015-01-29 | Suk Ho LEE; II Yong CHO; Hyung Mo KOO; Min CHANG |
| A heat pump performs a simultaneous air-conditioning and heating operation through the addition of a flow path switching apparatus. The heat pump may include a plurality of outdoor units, a plurality of indoor units, and a plurality of flow path switching apparatuses that switch a flow path between an outdoor unit and an indoor unit. A refrigerant flow path may be formed from the outdoor unit to the indoor unit via a high-pressure gas pipe. The flow path switching apparatuses may switch a flow path so that a refrigerant flow path is formed from the indoor unit to the outdoor unit via a low-pressure gas pipe. The heat pump may further include an indoor unit mode controller that is connected to the plurality of outdoor units through a liquid pipe, and which is connected to each of the plurality of flow path switching apparatuses. | ||||||
| 190 | Air conditioner having indoor and outdoor units | US12868323 | 2010-08-25 | US08713958B2 | 2014-05-06 | Takashi Sekine |
| A triple-pipeline type first outdoor unit 2 provided with a first compressor 20 and a first outdoor heat exchanger 21, a plurality of indoor units 4A to 4D are provided, a second outdoor unit 3 provided with a second compressor 30, a second outdoor heat exchanger 32, and a second expansion valve 33, the first outdoor unit 2 is provided with a first four-way valve 60 that makes a refrigerant discharge pipe 25 of the first compressor 20 and a high-pressure gas pipe 7 capable of communicating with each other and if all the indoor units 4A to 4D perform a cooling operation at the same time, the first four-way valve 60 shuts off the communication between the refrigerant discharge pipe 25 and the high-pressure gas pipe 7, while a third four-way valve 51 is switched so as to connect a gas pipe 35d to the high-pressure gas pipe 7. | ||||||
| 191 | Heat pump system | US13202628 | 2010-02-23 | US08650897B2 | 2014-02-18 | 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. | ||||||
| 192 | MULTI TYPE AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME | US13433454 | 2012-03-29 | US20120285655A1 | 2012-11-15 | Jaewan LEE; Sanghun Lee |
| A multi type air conditioner may include an outdoor unit, a distributor connected to the outdoor unit, and a plurality of indoor units connected to the distributor. The distributor may include a plurality of pipe ports. Two or more of the indoor units may be connected to one or more of the pipe ports to form an indoor unit group. An operation mode of the two or more indoor units forming the indoor unit group may operate in a reference mode that corresponds to an operation mode of a main indoor unit or an appropriate pipe port. | ||||||
| 193 | AIR-CONDITIONING APPARATUS | US13497760 | 2009-10-27 | US20120198873A1 | 2012-08-09 | Koji Yamashita; Hiroyuki Morimoto; Yuji Motomura; Takeshi Hatomura |
| Obtained is an air-conditioning apparatus that is capable of saving energy. A pressure in a passage of the second refrigerant flow switching device in which a refrigerant from an outdoor unit flows into is higher than a pressure in a passage of the second refrigerant flow switching device in which the refrigerant flows out to the outdoor unit regardless of switching states of a first refrigerant flow switching device, the second refrigerant flow switching devices, and a third refrigerant flow switching device. | ||||||
| 194 | HEAT PUMP SYSTEM | US13202372 | 2010-02-22 | US20110296861A1 | 2011-12-08 | Masahiro Honda |
| A heat pump system includes a heat source unit, a discharge refrigerant communication tube, a liquid refrigerant communication tube, a gas refrigerant communication tube, a first usage unit and a second usage unit. The first usage unit has a first usage-side heat exchanger capable of functioning as a radiator of the heat-source-side refrigerant introduced from the discharge refrigerant communication tube. The first usage unit is capable of performing operation in which an aqueous medium is heated by radiation of the heat-source-side refrigerant in the first usage-side heat exchanger. The second usage unit has a second usage-side heat exchanger capable of functioning as an evaporator of the heat-source-side refrigerant introduced from the liquid refrigerant communication tube. The second usage unit is capable of performing operation in which an air medium is cooled by evaporation of the heat-source-side refrigerant in the second usage-side heat exchanger. | ||||||
| 195 | REFRIGERANT SYSTEM | US13019642 | 2011-02-02 | US20110192183A1 | 2011-08-11 | Doyong HA; Baikyoung Chung; Sedong Chang; Junggyu Park |
| Provided is a refrigerant system including a high-pressure bypass tube guiding a refrigerant of a high-pressure tube to flow into an indoor unit tube by bypassing a high-pressure valve. Thus, impact and noise that may be generated when an operation mode of an indoor unit is switched to a heating mode may be minimized. | ||||||
| 196 | AIR CONDITIONER | US12868323 | 2010-08-25 | US20110048054A1 | 2011-03-03 | Takashi Sekine |
| A triple-pipeline type first outdoor unit 2 provided with a first compressor 20 and a first outdoor heat exchanger 21, a plurality of indoor units 4A to 4D are provided, a second outdoor unit 3 provided with a second compressor 30, a second outdoor heat exchanger 32, and a second expansion valve 33, the first outdoor unit 2 is provided with a first four-way valve 60 that makes a refrigerant discharge pipe 25 of the first compressor 20 and a high-pressure gas pipe 7 capable of communicating with each other and if all the indoor units 4A to 4D perform a cooling operation at the same time, the first four-way valve 60 shuts off the communication between the refrigerant discharge pipe 25 and the high-pressure gas pipe 7, while a third four-way valve 51 is switched so as to connect a gas pipe 35d to the high-pressure gas pipe 7. | ||||||
| 197 | REFRIGERATING APPARATUS | US12524454 | 2008-01-11 | US20100107665A1 | 2010-05-06 | Satoshi Kawano; Shinya Matsuoka |
| To a refrigerant circuit (20) of an air conditioner (10) as a refrigerating apparatus, a plurality of outdoor units (30, 40) are connected. In an operation state where the first outdoor unit (30) is operated with the second outdoor unit (40) stopped, the air conditioner (10) performs refrigerant collection operation for collecting and retaining surplus refrigerant to and in a second outdoor heat exchanger (42) of the second outdoor unit (40). During the refrigerant collection operation, a second outdoor expansion valve (43) is closed fully, and a second outdoor fan (46) is operated. Part of refrigerant discharged from a first compressor (31) flows into the second outdoor heat exchanger (42) during the refrigerant collection operation. The refrigerant flowing in the second outdoor heat exchanger (42) dissipates heat to outdoor air to be condensed. Since the second outdoor expansion valve (43) is closed fully, the condensed refrigerant is retained in the second outdoor heat exchanger (42). | ||||||
| 198 | AIR CONDITIONER | US12439820 | 2007-08-29 | US20090272135A1 | 2009-11-05 | Tadafumi Nishimura; Takahiro Yamaguchi |
| An air conditioner refrigerant circuit performs a cooling operation in which an outdoor heat exchanger functions as a condenser of the refrigerant compressed in a compressor and an indoor heat exchanger functions as an evaporator of the refrigerant condensed in the outdoor heat exchanger. Further, an outdoor expansion valve is disposed at a position that is at once downstream of the outdoor heat exchanger and upstream of a liquid refrigerant communication pipe in the refrigerant flow direction in the refrigerant circuit in the cooling operation, and shuts off the refrigerant flow. A refrigerant detection unit is disposed upstream of the outdoor expansion valve and detects the amount or the amount-related value of refrigerant accumulated upstream of the outdoor expansion valve. | ||||||
| 199 | Air conditioner with oil recovery function | US10586582 | 2005-07-28 | US07607317B2 | 2009-10-27 | Masahiro Honda; Yasushi Hori; Shigeaki Umeyama; Keiji Ishida |
| An air conditioner includes a refrigerant circuit that includes a heat source heat exchanger configured such that refrigerant flows in from below and flows out from above when the heat source heat exchanger functions as an evaporator of the refrigerant and a plurality of utilization heat exchangers. When the heat source heat exchanger is caused to function as an evaporator, the refrigerant discharged from a compression mechanism is bypassed to an intake side of the compression mechanism via a first bypass circuit, the heat source heat exchanger is caused to function as a condenser, and an expansion valve is closed, whereby refrigerating machine oil accumulating inside the heat source heat exchanger is returned to the intake side of the compression mechanism from a lower portion of the heat source heat exchanger via an oil returning circuit. | ||||||
| 200 | Refrigerating machine | US11151297 | 2005-06-14 | US07533539B2 | 2009-05-19 | Masahisa Otake; Hiroshi Mukaiyama; Koji Sato; Kunie Sekigami; Kazuaki Shikichi |
| A refrigerating machine equipped with a compressor has an intermediate-pressure portion in which refrigerant having intermediate pressure higher than the pressure of the refrigerant at the suction side of the compressor and lower than the pressure of the refrigerant at the discharge side of the compressor is allowed to be introduced, and a heat exchange circuit formed between a heat-source side heat exchanger and a using side heat exchanger. The heat exchange circuit branches the refrigerant flowing from any one of the heat exchangers to the other heat exchanger, carries out heat exchange between one branched refrigerant and the other branched refrigerant or the refrigerant before the branching so that the one branched refrigerant is set to gas-phase refrigerant, and the gas-phase refrigerant thus achieved is led to any one of the intermediate-pressure portion and refrigerant suction pipe of the compressor. | ||||||
QQ群二维码
意见反馈
意见反馈