| 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 | HEAT PUMP CYCLE | US14362310 | 2012-12-03 | US20140318170A1 | 2014-10-30 | Yoshiki Katoh; Kota Sakamoto; Yuuichi Kami |
| A heat pump cycle includes a refrigerant circuit and a coolant circuit. A first heat exchanger and a second heat exchanger are disposed between the refrigerant circuit and the coolant circuit. The first heat exchanger includes an exterior heat exchanger that functions as an evaporator in a heating operation, and a radiator for radiating heat of a coolant. The second heat exchanger transmits a heat of high-pressure refrigerant to the coolant in the heating operation. A temperature of refrigerant within the second heat exchanger is higher than a temperature of refrigerant within the first heat exchanger. The heat obtained from the second heat exchanger is supplied to the first heat exchanger through the coolant. Further, the heat obtained from the second heat exchanger is stored in the coolant. In defrosting operation, the coolant that has stored the heat therein is supplied to the first heat exchanger. | ||||||
| 142 | Thermal Energy System and Method of Operation | US14003726 | 2012-03-08 | US20140150475A1 | 2014-06-05 | Dmitriy Zaynulin; Graeme Ogilvie; Kevin Stickney; Gregory Davis |
| A thermal energy system comprising a first thermal system in use having a cooling demand, and a heat sink connection system coupled to the first thermal system, the heat sink connection system being adapted to provide selective connection to a plurality of heat sinks for cooling the first thermal system, the heat sink connection system comprising a first heat exchanger system adapted to be coupled to a first remote heat sink containing a working fluid and a second heat exchanger system adapted to be coupled to ambient air as a second heat sink, a fluid loop interconnecting the first thermal system, the first heat exchanger system and the second heat exchanger system, at least one mechanism for selectively altering the order of the first heat exchanger system and the second heat exchanger system in relation to a fluid flow direction around the fluid loop, and a controller for actuating the at least one mechanism. An alternative embodiment has a heating demand and uses heat sources. | ||||||
| 143 | METHOD OF OPERATING AN ASSEMBLY OF HEAT EXCHANGERS FOR SUBCRITICAL AND TRANSCRITICAL CONDITIONS, AND AN ASSEMBLY OF HEAT EXCHANGERS | US13380678 | 2010-06-23 | US20120132399A1 | 2012-05-31 | Rolf Christensen |
| The present invention refers to a method of operating an assembly (1) of heat exchangers (2) for subcritical and transcritical conditions, by initially arranging at least two heat exchangers (2) in parallel for the subcritical condition. | ||||||
| 144 | Refrigerant control of a heat-recovery chiller | US12004783 | 2007-12-20 | US08011196B2 | 2011-09-06 | Alan Hv Eber; Steven J. Pitts; Brian T. Sullivan |
| A chiller includes a main condenser that has a refrigerant condensate sump with an internal weir or standpipe that maintains at least a minimum liquid seal between the outlets of the main condenser and a heat-recovery condenser. The main condenser is used for normal cooling operation, and the heat-recovery condenser is for supplying an external process with heat that would otherwise be wasted. In addition to providing a liquid seal, the sump and weir combination provides a reliable source of liquid refrigerant to cool the chiller's compressor motor and creates a trap for collecting foreign particles that might exit either of the chiller's two condensers. | ||||||
| 145 | Refrigerant control of a heat-recovery chiller | US12004783 | 2007-12-20 | US20090158762A1 | 2009-06-25 | Alan Hv Eber; Steven J. Pitts; Brian T. Sullivan |
| A chiller includes a main condenser that has a refrigerant condensate sump with an internal weir or standpipe that maintains at least a minimum liquid seal between the outlets of the main condenser and a heat-recovery condenser. The main condenser is used for normal cooling operation, and the heat-recovery condenser is for supplying an external process with heat that would otherwise be wasted. In addition to providing a liquid seal, the sump and weir combination provides a reliable source of liquid refrigerant to cool the chiller's compressor motor and creates a trap for collecting foreign particles that might exit either of the chiller's two condensers. | ||||||
| 146 | Stationary vehicle air conditioning system | US11107601 | 2005-04-15 | US07350368B2 | 2008-04-01 | Arthur Heberle; Marcus Weinbrenner |
| The invention pertains to a stationary vehicle air conditioning system with a refrigerant circuit, in which at least one compressor circulates the refrigerant to at least two condensers. The at least one compressor may be powered by the vehicle's mechanical power, by an electrical source, or by a combination of these driving forces. Depending on desired operating characteristics, the condensers may be arranged in a series or parallel configuration. A second compressor also may be added, which second compressor may be powered by a source other than the mechanical energy of the vehicle's engine. | ||||||
| 147 | Charge management for 100% heat recovery units | US10957181 | 2004-09-30 | US07237394B2 | 2007-07-03 | Philippe Rigal; Ba-Tung Pham; Pierre Delpech |
| An apparatus for managing refrigerant charge in an air conditioning unit comprising a cooling circuit through which a refrigerant flows from a compressor, through a condenser, and through an evaporator, a heat recovery circuit extending from a first terminus between the compressor and the condenser to a second terminus between the evaporator and the condenser, a heat recovery unit located between the first and second terminus of the heat recovery circuit, a first valve located between the condenser and the first terminus, a second valve located between the first terminus and the heat recovery unit, a third valve located on a cooling charge circuit having a first end on the cooling circuit between the condenser and the evaporator and a second end at the evaporator, a fourth valve located on a heating charge circuit having a first end on the heat recovery circuit and a second end at the evaporator, and a logic unit for sensing a saturated temperature and opening and closing the valves based upon the saturated temperature to manage the refrigerant charge. | ||||||
| 148 | Dehumidification system with multiple condensers and compound compressor | US10978570 | 2004-11-01 | US20060090501A1 | 2006-05-04 | Michael Taras; Alexander Lifson |
| A refrigerant cycle is provided with a multi-port compressor or compressor stages connected in series, and multiple condensers. A single evaporator communicates with the plurality of condensers. At least one of the plurality of condensers receives fully compressed refrigerant while the other condensers receive refrigerant at intermediate pressure. A control can optionally direct refrigerant to the condensers to achieve desired system heat rejection characteristics and operating conditions. One or multiple reheat coils may be associated with the evaporator and are arranged either in series or in parallel to provide a desired dehumidification function and reheat stages. One or several of the intermediate pressure condensers may be utilized for the reheat function as well. | ||||||
| 149 | Refrigerant cycle with tandem compressors and multiple condensers | US10967862 | 2004-10-18 | US20060080984A1 | 2006-04-20 | Alexander Lifson; Michael Taras |
| A tandem compressor system is utilized that receives refrigerant from a common suction manifold, and from a common evaporator. From the compressors, the refrigerant passes to a plurality of condensers, with each of the condensers being associated with a separate zone for heat rejection, preferably at different temperature levels. Each of the condensers is associated with at least one of the plurality of compressors. By utilizing the common evaporator, yet a plurality of condensers, the ability to independently control temperature and amount of heat rejection to a number of zones is achieved without the requirement of having a dedicated circuit with multiple additional components. Thus, the overall system cost and complexity can be greatly reduced. In embodiments, one or more of the plurality of compressors can be provided by a compressor bank, having its own plurality of compressors. | ||||||
| 150 | Charge management for 100% heat recovery units | US10957181 | 2004-09-30 | US20060064995A1 | 2006-03-30 | Philippe Rigal; Ba-Tung Pham; Pierre Delpech |
| An apparatus for managing refrigerant charge in an air conditioning unit comprising a cooling circuit through which a refrigerant flows from a compressor, through a condenser, and through an evaporator, a heat recovery circuit extending from a first terminus between the compressor and the condenser to a second terminus between the evaporator and the condenser, a heat recovery unit located between the first and second terminus of the heat recovery circuit, a first valve located between the condenser and the first terminus, a second valve located between the first terminus and the heat recovery unit, a third valve located on a cooling charge circuit having a first end on the cooling circuit between the condenser and the evaporator and a second end at the evaporator, a fourth valve located on a heating charge circuit having a first end on the heat recovery circuit and a second end at the evaporator, and a logic unit for sensing a saturated temperature and opening and closing the valves based upon the saturated temperature to manage the refrigerant charge. | ||||||
| 151 | Refrigerator | US11205051 | 2005-08-17 | US20060037356A1 | 2006-02-23 | Ji-hun Ahn; Lei Yu |
| A refrigerator having a refrigerator body and a component chamber provided in the refrigerator body to accommodate components includes a condenser provided in the component chamber, and has a plurality of condensing parts positioned separately from each other. The refrigerator also includes at least one fan provided in the component chamber, to cool the condenser. Thus, the refrigerator has a condenser with an improved heat radiating efficiency. | ||||||
| 152 | Refrigerant circuit and a refrigerating system | US10517347 | 2003-12-15 | US20050229629A1 | 2005-10-20 | Roland Burk; Peter Geskes; Conrad Pfender |
| The invention relates to a refrigerant circuit comprising at least one heat absorption element and at least one heat dissipation element. According to the invention, heat transfer elements carrying out the same function can be operational in the refrigerant circuit at different pressure levels of the refrigerant A refrigerating system provided with the inventive refrigerant circuit is also disclosed. | ||||||
| 153 | Vapor-compression refrigerant cycle system | US10869725 | 2004-06-16 | US06945074B2 | 2005-09-20 | Yukimasa Sato; Motohiro Yamaguchi; Hiromi Ohta |
| In a vapor-compression refrigerant cycle system, a switching device is provided to switch one of a first mode where high-pressure refrigerant discharged from a compressor is directly introduced to an exterior heat exchanger and a second mode where the high-pressure refrigerant is directly introduced to an interior heat exchanger. When the second mode is set, the pressure of the high-pressure refrigerant is set higher than a predetermined pressure by a constant-pressure control valve. Accordingly, it can prevent heating capacity of the interior heat exchanger from being greatly changed even when thermal load of the vapor-compression refrigerant cycle system is changed, and heating capacity of the interior heat exchanger can be improved in the second mode. | ||||||
| 154 | Humidity and temperature control in vapor compression system | US10285793 | 2002-10-30 | US06672087B1 | 2004-01-06 | Michael F. Taras; Thomas J. Dobmeier |
| A vapor compression system including a vapor compression circuit having a compressor, a condenser, an expansion device and an evaporator serially connected by refrigerant lines; an air flow path through the evaporator for generating a cooled air stream; a heat exchanger communicated with the cooled air stream and an air reheating medium which is at least one of refrigerant liquid discharge from the condenser and refrigerant gas discharge from the compressor; and a regulating valve for controlling flow rate of the air reheating medium to the heat exchanger. This scheme provides precise and smooth simultaneous temperature and humidity control as well as reduces a number of start/stop cycles and eliminates switching between cooling and dehumidification regimes of operation, which enhances system reliability. | ||||||
| 155 | Combined drying and refrigerating storehouse | US09634173 | 2000-08-09 | US06295825B1 | 2001-10-02 | Keum Su Jin |
| A combined drying and refrigerating storehouse is disclosed. The storehouse comprises a housing, circulation passages, a heat pump unit, a second evaporator, flow passage control means and a control unit. The housing has a heat pump unit chamber and two combined drying and refrigerating chambers. The heat pump unit chamber is divided from the combined drying and refrigerating chambers by two partition walls. The circulating chambers are extended outwardly from the partition walls and extended vertically. The heat pump unit has a compressor, a four-way valve, first and second heat exchangers and a second condenser. The compressor, the fourway valve, the first heat exchanger, the second condenser, the second heat exchanger and the compressor are connected one after another by means of a first conduit. The outlet of the four-way valve is connected to the inlet of the compressor by means of a suction conduit. The second evaporator is disposed on a portion of a second conduit. The second conduit connects the second condenser to the output-side portion of the first conduit with regard to the second heat exchanger functioning as an evaporator. The flow passage control means is disposed on the first and second conduits. The control unit controls the four-way valve, the flow passage control means, etc. | ||||||
| 156 | Heat pump type air conditioning system for automotive vehicle | US09479882 | 2000-01-10 | US06230505B1 | 2001-05-15 | Yoshitoshi Noda; Hiroyuki Yamaguchi; Toshio Ohashi; Kaoru Kamiyama; Tadayoshi Tajima; Toshiharu Watanabe; Yasuhito Okawara; Hiroki Yoshioka |
| A heat pump type air conditioning system (A) for an automotive vehicle. The heat type air conditioning system (A) comprises a first unit (10) including a heater core (11) through which an engine coolant of an engine flows, and a first heat exchanger (12) which forms part of a refrigeration cycle including a compressor (1) and a first condenser (3), in which a refrigerant circulates in the refrigeration cycle. A second unit (20) is provided including a second condenser (21) and a second heat exchanger (22) which are fluidly connected in parallel with the first heat exchanger (12). A valve (V2) is fluidly connected in series with the second condenser (21) and disposed such that a part of the refrigerant is introduced through the valve into the second condenser (21) and the second heat exchanger (22). A sub-heat exchanger (30) is disposed outside the first and second units and fluidly connected in series with the second heat exchanger (22), in which the refrigerant flowing from the second heat exchanger (22) is introduced into the sub-heat exchanger to be heated by a part of the engine coolant, the refrigerant discharged from the sub-heat exchanger being returned to the compressor. An electromagnetic clutch (40) is provided such that the compressor (1) is drivably connectable with the engine therethrough. The electromagnetic clutch is engaged to establish a driving connection between the compressor so as to operate the compressor and disengaged to cut the driving connection so as to make the compressor inoperative. A control device (C) is operatively connected to the electromagnetic clutch (40) for controlling the electromagnetic clutch to be disengageable in accordance with a temperature within the air conditioning system (A). | ||||||
| 157 | Refrigeration system with heat reclaim and with floating condensing pressure | US09396784 | 1999-09-15 | US06216481B1 | 2001-04-17 | Jordan Kantchev |
| A heat pump system installed on the discharge line of a refrigeration system with floating head pressure (condensing temperature as low as 60° F.) to extract the total rejected heat by the refrigeration system and to elevate the temperature level of the total rejected heat to a value usable in heat reclaim coils with the purpose to provide comfort heating of the building during the cold periods of the year. When no heat reclaim is required, the heat pump system is used for air conditioning and subcooling purposes. | ||||||
| 158 | Heat pump type air conditioning system for automotive vehicle | US970806 | 1997-11-14 | US6125643A | 2000-10-03 | Yoshitoshi Noda; Hiroyuki Yamaguchi; Toshio Ohashi; Kaoru Kamiyama; Tadayoshi Tajima; Toshiharu Watanabe; Yasuhito Okawara; Hiroki Yoshioka |
| A heat pump type air conditioning system (A) for an automotive vehicle. The heat type air conditioning system (A) comprises a first unit (10) including a heater core (11) through which an engine coolant of an engine flows, and a first heat exchanger (12) which forms part of a refrigeration cycle including a compressor (1) and a first condenser (3), in which a refrigerant circulates in the refrigeration cycle. A second unit (20) is provided including a second condenser (21) and a second heat exchanger (22) which are fluidly connected in parallel with the first heat exchanger (12). A valve (V2) is fluidly connected in series with the second condenser (21) and disposed such that a part of the refrigerant is introduced through the valve into the second condenser (21) and the second heat exchanger (22). A sub-heat exchanger (30) is disposed outside the first and second units and fluidly connected in series with the second heat exchanger (22), in which the refrigerant flowing from the second heat exchanger (22) is introduced into the sub-heat exchanger to be heated by a part of the engine coolant, the refrigerant discharged from the sub-heat exchanger being returned to the compressor. An electromagnetic clutch (40) is provided such that the compressor (1) is drivably connectable with the engine therethrough. The electromagnetic clutch is engaged to establish a driving connection between the compressor so as to operate the compressor and disengaged to cut the driving connection so as to make the compressor inoperative. A control device (C) is operatively connected to the electromagnetic clutch (40) for controlling the electromagnetic clutch to be disengageable in accordance with a temperature within the air conditioning system (A). | ||||||
| 159 | Automotive air conditioner having condenser and evaporator provided within air duct | US4725 | 1998-01-08 | US6044653A | 2000-04-04 | Kunio Iritani; Shigeo Numazawa; Kenichi Fujiwara; Yasushi Yamanaka; Akira Isaji; Nobunao Suzuki |
| An automotive air conditioner which conditions air making use of radiation of heat of a condenser and absorption of heat of an evaporator effectively. The evaporator 207 and the condenser 203 are disposed in a duct 100. A bypass passageway 150 is provided sidewardly of the condenser 203 in the duct 100, and a flow rate of air bypassing the condenser 203 is controlled by pivotal motion of an air mixing damper 154. Another bypass passage is provided sidewardly of the evaporator 207 in the duct 100, and a flow rate of air bypassing the evaporator 207 is controlled by pivotal motion of a bypass damper 159. Air is conditioned to an optimum blown out air temperature by varying the cooling rate at the evaporator 207 and the heating rate at the condenser 203 and is blown out to a room of an automobile from spit holes 141, 142 and 143. An outside heat exchanger is provided outside the duct 100, and a flow of refrigerant is changed over suitably among the outside heat exchanger 202, the evaporator 207 and the condenser 203 to perform cooling operation, heating operation, dehumidifying operation, dehumidifying heating operation and defrosting operation. | ||||||
| 160 | Heat pump with heat-pipe enhancement and with primary system reheat | US986289 | 1997-12-06 | US5826443A | 1998-10-27 | Roland Ares; Ness Lakdawala |
| For a supermarket having open refrigerated food display cases and adjacent cold isles and having primary refrigeration systems for refrigerating the cases, energy efficient ventilating means for removing the cold air from the isles and supplying replacement conditioned dehumidified air. The ventilating means includes heat pipes for utilizing the cooling effect of the cold leaving air removed from the isles to precool warm outside make-up air and a reversible refrigerating system for further cooling and dehumidifying the precooled outside air. Excess heat available from the primary market refrigerating system is employed to heat or reheat the dehumidified but now cold outdoor make-up air prior to its entry into the market. | ||||||
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