Refrigeration – With vehicle feature
Patent
1976-08-11
1977-12-20
King, Lloyd L.
Refrigeration
With vehicle feature
123196AB, 184104B, B60H 304, F01M 100, F01M 500, F01P 1108
Patent
active
040634310
ABSTRACT:
An automotive vehicle cooling system is provided, wherein refrigerants are condensed and vehicle oils are cooled in a single unitary heat exchanger mounted forward but spaced apart from the engine radiator in the air path of the engine fan. A vehicle oil conduit is passed through the bottom tank of the engine radiator, and thence through the heat exchanger to efficiently cool the vehicle oil under load conditions without imparting excessive heat to the radiator coolant. When air conditioning is used, refrigerant vapor from a compressor is condensed within the heat exchanger without impairing the cooling of the vehicle oil.
In a preferred embodiment, a heat exchange insert is placed in the oil conduit within the heat exchanger to improve heat transfer, and an auxiliary fan is mounted on the front face of the heat exchanger to supplement the engine fan and the ram air produced by vehicle motion. The fan is activated by a pressure switch sensitive to the pressure head of the refrigerant at the output of the heat exchanger.
REFERENCES:
patent: 2008164 (1935-07-01), Wolf
patent: 2054403 (1936-09-01), Yeager
patent: 2063782 (1936-12-01), Barnes
patent: 2487215 (1949-11-01), Blatt
patent: 2502554 (1950-04-01), Bonanni
patent: 2554437 (1951-05-01), Alexander
patent: 2575877 (1951-11-01), Klier
patent: 3411316 (1968-11-01), Wright
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