[특허]Air conditioning system with thermal energy storage and load leveling capacity

Air conditioning system with thermal energy storage and load leveling capacity 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-025/00
출원번호	US-0293875 (1994-08-19)
발명자 / 주소	Dean William J. (Grapevine TX) Gilles Theodore C. (Dallas TX)
출원인 / 주소	Lennox Industries Inc. (Dallas TX 02)
인용정보	피인용 횟수 : 38 인용 특허 : 0

초록 ▼

A vapor compression air conditioning (cooling and heating) system adapted for operation to reduce the consumption of electric power during peak periods of demand for power is characterized by three refrigerant circuits. A refrigerant circuit includes a compressor, outdoor heat exchanger and first indoor heat exchanger for selectively cooling or heating an indoor air space and a second refrigerant circuit comprises the compressor, outdoor heat exchanger and a thermal energy storage unit characterized by a tank having a thermal energy storage medium disposed therein and a heat exchanger coil in communication with the compressor and outdoor heat exchanger for cooling the thermal energy storage medium. A third refrigerant circuit includes the thermal energy storage heat exchanger coil, a refrigerant pump and another indoor heat exchanger in communication with the fluid (e.g., indoor air) to be cooled or heated. Plural isolation valves in the first and second refrigerant circuits, reversing valves in communication with the compressor and pump and a heater in the storage tank provide for operating the system in plural cooling and heating modes to provide cooling and heating with reduced power consumption during peak electrical power demand periods.

대표청구항 ▼

An air conditioning system comprising: a compressor for compressing a refrigerant; a first heat exchanger operably connected to said compressor; a second heat exchanger operably connected to said first heat exchanger and said compressor, said compressor being operable to circulate refrigerant between said first heat exchanger and said second heat exchanger, whereby fluid in heat exchange relationship with said second heat exchanger is cooled; a thermal energy storage unit comprising a tank having a thermal energy storage medium disposed therein and a third heat exchanger disposed in said medium, said third heat exchanger being operably connected to said compressor and said first heat exchanger, said compressor being operable to circulate refrigerant between said third heat exchanger and said first heat exchanger to cool said medium; a fourth heat exchanger operably connected to said third heat exchanger; refrigerant circulation means for circulating refrigerant between said third heat exchanger and said fourth heat exchanger, whereby fluid in heat exchange relationship with said fourth heat exchanger is cooled; and flow control means interposed in said system for selective operation to effect refrigerant flow through a first circuit comprising said compressor, said first heat exchanger and said second heat exchanger, a second circuit comprising said compressor, said first heat exchanger and said third heat exchanger and a third circuit comprising said third heat exchanger, said refrigerant circulation means and said fourth heat exchanger, whereby said system is selectively operable in a first operating mode wherein refrigerant flows through said first circuit to cool fluid in heat exchange relationship with said second heat exchanger, in a second operating mode wherein refrigerant flows through said second circuit to cool said thermal energy storage medium, in a third operating mode wherein refrigerant flows through said third circuit to cool fluid in heat exchange relationship with said fourth heat exchanger, and in a fourth operating mode wherein refrigerant flows simultaneously through said first and third circuits to cool fluid in heat exchange relationship with said second heat exchanger and fluid in heat exchange relationship with said fourth heat exchanger.

이 특허를 인용한 특허 (38)

Gilles Theodore C. (Dallas TX), Air conditioning system with thermal energy storage and load leveling capacity.
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Ko, Younghwan; Park, Sangkyoung; Jang, Yonghee; Kim, Bumsuk, Heat pump including at least two refrigerant injection flow paths into a scroll compressor.
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Murakami, Toshio; Tesche, Carlos A.; Fernandez, Roberto G., Heat pump system having auxiliary water heating and heat exchanger bypass.
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Murakami, Toshio; Tesche, Carlos A.; Fernandez, Roberto G., Heat pump system with auxiliary water heating.
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McRell,Michael W., High efficiency refrigerant based energy storage and cooling system.
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Yamaguchi Hiroichi,JPX ; Yamamoto Toshihiro,JPX, Ice regenerative air conditioner system.
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Thibeault Pierre,CAX ; Couture Roland,CAX ; Handfield Louis,CAX, Method and apparatus for controlling the amount of power supplied to a conditioning device.
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Narayanamurthy, Ramachandran; Hicks, Robert Scott; Kerrigan, Robert K.; Kay, Christopher A., Mixed-phase regulator.
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Narayanamurthy, Ramachandran; Hicks, Robert Scott; Kerrigan, Robert K.; Kay, Christopher A., Mixed-phase regulator for managing coolant in a refrigerant based high efficiency energy storage and cooling system.
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Seggerman, Karl J., Multi-split heat pump for heating, cooling, and water heating.
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Narayanamurthy, Ramachandran, Multiple refrigerant thermal energy storage and cooling system with secondary refrigerant isolation.
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Clarksean,Randy Lee, PCM (phase change material) system and method for shifting peak electrical load.
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Yuanming Yi CN, Phase-changeable and non-heat refrigeration process and apparatus thereof.
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Upshaw, Charles R.; Webber, Michael E.; Rhodes, Joshua D., Reducing peak electrical demand by air conditioning systems and reducing water consumption by implementing an integrated thermal energy and rainwater storage system.
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Murakami, Toshio; Tesche, Carlos A.; Fernandez, Roberto G., Refrigerant charge control in a heat pump system with water heater.
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Chen, Jie; Hampton, Justin W., Refrigerant charge management in a heat pump water heater.
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Chen, Jie; Hampton, Justin W., Refrigerant charge management in a heat pump water heater.
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Narayanamurthy, Ramachandran; Hicks, Robert Scott, Refrigerant-based thermal energy storage and cooling system with enhanced heat exchange capability.
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Narayanamurthy,Ramachandran; Hicks,Robert Scott, Refrigerant-based thermal energy storage and cooling system with enhanced heat exchange capability.
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Narayanamurthy, Ramachandran, Refrigeration apparatus.
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Narayanamurthy,Ramachandran; Kerrigan,Robert K.; Kay,Christopher A., Refrigeration apparatus.
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Joppolo, Cesare Maria; Molinaroli, Luca; Visek, Matej, Refrigeration appliance with two evaporators in different compartments.
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Trieskey, Guy T., Refrigeration system for an environmental test chamber.
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Parsonnet, Brian, System and method for improving grid efficiency utilizing statistical distribution control.
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Parsonnet, Brian; Willis, Jr., Robert R.; Wiersma, Dean L., System and method for liquid-suction heat exchange thermal energy storage.
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Narayanamurthy, Ramachandran; Parsonnet, Brian; Cook, Donald Thomas, Thermal energy storage and cooling system utilizing multiple refrigerant and cooling loops with a common evaporator coil.
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Narayanamurthy,Ramachandran; Willis, Jr.,Robert R., Thermal energy storage and cooling system with gravity fed secondary refrigerant isolation.
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Narayanamurthy, Ramachandran, Thermal energy storage and cooling system with isolated primary refrigerant loop.
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Narayanamurthy, Ramachandran, Thermal energy storage and cooling system with secondary refrigerant isolation.
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Narayanamurthy,Ramachandran, Thermal energy storage and cooling system with secondary refrigerant isolation.
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Anderson,R. David, Thermal energy transfer unit and method.
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Parsonnet, Brian; Narayanamurthy, Ramachandran, Utility managed virtual power plant utilizing aggregated thermal energy storage.
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A	생활필수품
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Air conditioning system with thermal energy storage and load leveling capacity 원문보기

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Air conditioning system with thermal energy storage and load leveling capacity 원문보기

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