Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1994-09-07
1995-10-03
Tapolcai, William E.
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
62511, F25B 4300
Patent
active
054542332
ABSTRACT:
A two-way flow solenoid-controlled expansion valve and receiver assembly for a two-way flow heat transfer system employing a refrigerant comprises a receiver and a valve body mounted on the receiver having two inlet/outlet passages. Either one of the inlet/outlet passages may be connected to a heat exchanger that switches from a condensing mode to an evaporative mode on refrigerant flow reversal while the other of these passages is then connected to another heat exchanger that operates in opposite manner. The inlet/outlet passages are each adapted to receive refrigerant from a condensing heat exchanger and deliver same through a separate check valve to the receiver and a flow control valve arrangement including two flow control valves independently operated by a proportional solenoid is operable to route and regulate refrigerant flow from the receiver to the other inlet/outlet passage that is connected to the heat exchanger that is then in an evaporative mode. The combined expansion valve and receiver assembly is also adaptable for use in more widely used refrigerant systems not requiring reverse flow by omitting certain components and making minor modifications.
REFERENCES:
patent: 2335694 (1943-11-01), Paquin et al.
patent: 2936790 (1960-05-01), Dahl et al.
patent: 3525234 (1970-08-01), Widdowson
patent: 3919859 (1975-11-01), Ross
patent: 5159821 (1992-11-01), Nakamura
patent: 5224358 (1993-07-01), Yamanaka et al.
Chrysler Corporation
MacLean Kenneth H.
Tapolcai William E.
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