Thermally responsive valve

Details Thermally responsive valve Thermally responsive valve

1978-07-28

1980-06-24

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

173117A, 236 92R, 236 87, 236101R, 137468, F02M 2506, G05D 2302

Patent

active

042089948

ABSTRACT:
A thermally responsive valve composed of a first fluid passage whose inlet is connected to a carburetor advance port and whose outlet communicates with a chamber; a second fluid passage whose inlet communicates with the chamber and whose outlet is connected to an airtight chamber of a control valve; a bimetal in the chamber cooperating with a sealing member to close the outlet of the first passage when the temperature of the bimetal exceeds a predetermined value; and a one-way check valve disposed in second fluid passage to permit fluid flow from the first passage to the second passage. When the valve temperature exceeds a predetermined value, the bimetal will snap over to communicate the first and second passages so that the vacuum from the carburetor advance port can act upon the control valve.

REFERENCES:
patent: 3804326 (1974-04-01), McIntire
patent: 4027633 (1977-06-01), Otsubo et al.
patent: 4068800 (1978-01-01), Doherty, Jr.
patent: 4140275 (1979-02-01), Inada

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