Cock for controlling the heating system of a motor vehicle

Details Cock for controlling the heating system of a motor vehicle Cock for controlling the heating system of a motor vehicle

1981-02-02

1982-05-11

Spiegel, H. Jay

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251175, 251188, 251301, F16K 120

Patent

active

043289495

ABSTRACT:
A cock for controlling the heating system of a motor vehicle has a flat valve member controlled by a lever. Under operating conditions said valve member is permanently biased by the pressure of the heating liquid against a sealing ring provided in the seat of the valve member in the cock housing and the control lever is connected to the pin of said valve member by means of a screw, the screw serving as a secondary means for biasing the valve member.

REFERENCES:
patent: 950204 (1910-02-01), Drown
patent: 1882600 (1932-10-01), Hollinshead et al.
patent: 3157382 (1964-11-01), Perry
patent: 4161307 (1979-07-01), Clinch et al.

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