Thermally responsive valve device

Details Thermally responsive valve device Thermally responsive valve device

1983-03-08

1984-12-18

Tapolcai, William E.

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

236 345, 236100, G05D 2312

Patent

active

044886802

ABSTRACT:
The present invention relates to a thermally responsive valve device including a body with an inlet port and first and second outlet ports. A spool valve is slidably mounted within the body and includes a valve portion for selectively connecting the inlet port with one of the first and second outlet ports. A temperature responsive element causes the spool valve to move in response to changes in temperature. A valve is provided for controlling fluid communication through the first outlet port. The valve is mounted on the spool valve such that the valve moves with movement of the spool valve until the valve closes the first outlet port and such that subsequent movement of the spool valve is independent of the valve.

REFERENCES:
patent: 2396138 (1946-03-01), Vernet
patent: 2400615 (1946-05-01), Warrick et al.
patent: 2400911 (1946-05-01), Booth
patent: 2480676 (1949-08-01), Shaw
patent: 2510473 (1950-06-01), Jensen
patent: 3913831 (1975-10-01), Talak
patent: 3927830 (1975-12-01), Briski
patent: 3929283 (1975-12-01), Delpla
patent: 4027643 (1977-06-01), Feenan et al.
patent: 4180208 (1979-12-01), Obermaier
patent: 4190198 (1980-02-01), Casuga et al.

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