Temperature responsive flow control valve apparatus

Details Temperature responsive flow control valve apparatus Temperature responsive flow control valve apparatus

1987-09-17

1988-11-08

Tapolcai, William E.

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

74473R, 236101D, 248 73, 251310, G05D 2308

Patent

active

047830000

ABSTRACT:
A temperature responsive valve particularly adapted for use in a manual valve of a vehicular automatic transmission control is shown in which the temperature responsive valve has a generally cylindrical housing with a reduced diameter section and a cylindrical valve element rotatably received in the reduced diameter section. A thermostatic coil is coupled to the valve element to control the angular position of the valve element. Apertures are provided in both the housing and the valve element forming a variable orifice for pneumatic fluid which flows into an open end of the housing and out of a minimum fixed orifice in the reduced diameter section and, depending on the temperature, may also flow through the variable orifice.

REFERENCES:
patent: 1923128 (1933-08-01), Ulbery
patent: 2021428 (1935-11-01), Peo
patent: 2226200 (1940-12-01), Donnelly
patent: 2244808 (1941-06-01), Scott et al.
patent: 2703582 (1955-03-01), Stepanian
patent: 3008697 (1961-11-01), Dermond
patent: 3561487 (1971-02-01), Reed, Jr.
patent: 4502607 (1985-03-01), Ty
patent: 4560126 (1985-12-01), Judkins et al.

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