Air conditioner

Details Air conditioner Air conditioner

2008-07-08

2008-07-08

Tapolcai, William E (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S199000, C062S238700, C062S513000

Reexamination Certificate

active

10578674

ABSTRACT:
An air conditioner has a heat source refrigerant circuit, utilization refrigerant circuits, a pressurizing circuit, and a cooler. The heat source refrigerant circuit is configured by an interconnection of a compression mechanism, a heat source heat exchanger, and a heat source expansion valve that reduces a pressure of refrigerant condensed in the heat source heat exchanger. The pressurizing circuit is disposed in the heat source refrigerant circuit and causes high-pressure gas refrigerant compressed in the compression mechanism to merge with a refrigerant having a pressure that is reduced in the heat source expansion valve. The refrigerant is sent to the utilization refrigerant circuits. The cooler cools the refrigerant having the pressure that is reduced in the heat source expansion valve.

REFERENCES:
patent: 4270359 (1981-06-01), Hummel
patent: 6079218 (2000-06-01), Ueda
patent: 6935421 (2005-08-01), Takeuchi et al.
patent: 7028767 (2006-04-01), Takano et al.
patent: 63-204074 (1988-08-01), None
patent: 03-129259 (1991-06-01), None
patent: 03-129260 (1991-06-01), None
patent: 03-260561 (1991-11-01), None
patent: 05-45022 (1993-02-01), None
patent: 07-120076 (1995-05-01), None

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