Thermostat with bypass valve

Details Thermostat with bypass valve Thermostat with bypass valve

1985-11-06

1987-03-31

Tapolcai, William E.

Automatic temperature and humidity regulation

Cooling radiator

Bypass

251358, F01P 702

Patent

active

046536884

ABSTRACT:
A choke-type thermostat is provided with a bypass valve. The inventive thermostat has a pliable valve member which prevents flow to an engine coolant bypass when the thermostat is in the completely open position in regards to an engine radiator outlet. Valving of the engine coolant bypass provides maximum flow to the radiator outlet when the thermostat is in the open position. Since the engine bypass is valved off by the thermostat when the thermostat is in the open position the diameter of the engine coolant bypass may be increased therefore allowing increased flow therethrough when the thermostat is in a closed position.

REFERENCES:
patent: 122494 (1872-01-01), Russell
patent: 222727 (1879-12-01), Peck
patent: 1935938 (1933-11-01), Buck
patent: 2595012 (1952-04-01), Smith
patent: 2659566 (1953-11-01), Rand
patent: 2953165 (1960-09-01), Reynolds
patent: 2976010 (1961-03-01), Huthsing, Sr.
patent: 2982477 (1961-05-01), Drapeau
patent: 3511475 (1970-05-01), Pfau
patent: 3911950 (1975-10-01), Lowe et al.
patent: 4257553 (1981-03-01), Slicer et al.
patent: 4337733 (1982-07-01), Hirata et al.

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