Refrigeration – With vehicle feature
Patent
1979-05-07
1981-11-17
King, Lloyd L.
Refrigeration
With vehicle feature
62196R, 137498, 13751625, B60H 304
Patent
active
043003575
ABSTRACT:
The valve opens in response to a predetermined small pressure differential acting across the valve. As the pressure differential increases, the valve throttles the flow and when a high pressure differential exists the valve closes. The valve is designed to be placed in a by-pass circuit in an automotive air conditioning system to provide adequate flow under low cooling loads to cool and lubricate the compressor. Under normal and high evaporator loads, the by-pass flow is throttled or closed off completely to avoid needless consumption of energy.
REFERENCES:
patent: 1360960 (1920-11-01), Kudla
patent: 2307949 (1943-01-01), Phillips
patent: 2731805 (1956-01-01), Kuhn
patent: 2775868 (1957-01-01), Trevaskis
patent: 3085589 (1963-04-01), Sands
patent: 3122162 (1964-02-01), Sands
patent: 3396550 (1968-08-01), Cawley
King Lloyd L.
Michael Bayard H.
The Singer Company
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