Engine cooling system air venting arrangement with buoyant air p

Details Engine cooling system air venting arrangement with buoyant air p Engine cooling system air venting arrangement with buoyant air p

1985-06-10

1987-02-17

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Interrelated coolant flow and throttle control

236 345, F01P 716

Patent

active

046431349

ABSTRACT:
An engine coolant system contains a thermostat in a horizontally disposed line from the engine and a horizontally disposed air vent or bypass passage located above the thermostat to bleed air from the system. The bypass system contains a buoyant valve having a duckbill-like shape that pivots to one position by buoyancy in response to coolant flow to seal an air vent opening to the radiator, or to a return non-buoyant position permitting the bleed of air; one embodiment providing a valve with a buoyant insert as well as a weight insert; a second embodiment consisting entirely of a material buoyant in the conventional engine coolant.

REFERENCES:
patent: 2627868 (1953-02-01), Runnels
patent: 2810524 (1957-10-01), Puster
patent: 2829835 (1958-04-01), Branson
patent: 3973729 (1976-08-01), Sliger
patent: 4011988 (1977-03-01), Inagaki
patent: 4052965 (1977-10-01), Morris
patent: 4091991 (1978-05-01), Sliger
patent: 4193542 (1980-03-01), Knauss
patent: 4300718 (1981-11-01), Beyer
patent: 4358051 (1982-11-01), Hunt

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