Refrigeration – With internal-combustion engine
Patent
1989-03-06
1990-07-03
Tapolcai, William E.
Refrigeration
With internal-combustion engine
62503, 123541, 165154, F02M 5300
Patent
active
049380362
ABSTRACT:
A combination air conditioning accumulator and fuel cooler unit comprises an enclosed housing having fuel inlet and outlets, and refrigerant inlets and outlets. Liquid refrigerant entering the unit is evaporated by means of heat exchange with hotter fuel in the unit. Preferably, the housing is in the form of an elongated cylinder and the fuel flow path is coaxial with the housing longitudinal axis. The heat exchanger includes a substantially cylindrical wall within which the fuel flows, and an outer, finned portion in contact with the flow of refrigerant. A desiccant is provided between the refrigerant flow path and the housing, to serve both insulating and moisture-removing functions. A stand pipe is provided to prevent unevaporated freon from exiting and returning in liquid form to the air conditioning compressor. The housing includes end plug members in which the fuel and refrigerant inlets and outlets are formed, the housing being attached to the plug members by crimp connections. The fuel flow path is preferably defined by threaded connectors in the end plugs and a stem pipe secured to the threaded connectors along the housing axis.
REFERENCES:
patent: 1214784 (1917-02-01), Hiatt
patent: 1816307 (1931-07-01), Von Reis
patent: 2004252 (1935-06-01), Sorensen
patent: 2343049 (1944-02-01), Fassinger, Sr.
patent: 4155337 (1979-05-01), Hensley
patent: 4155337 (1979-05-01), Hensley
patent: 4285316 (1981-08-01), Stolz et al.
patent: 4345644 (1982-08-01), Dankowski
patent: 4790145 (1988-12-01), Thompson et al.
Foley John J.
Hodgkins David H.
Stanadyne Automotive Corp.
Tapolcai William E.
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