Temperature responsive valve

Details Temperature responsive valve Temperature responsive valve

1981-09-15

1983-03-08

Tapolcai, William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

13762548, 236100, G05D 2312

Patent

active

043758738

ABSTRACT:
A temperature responsive valve comprising a hollow housing having three ports, a cylinder mounted in and to the housing assembly in the vicinity of one of the ports, the cylinder having a gas escape space through which said one of the ports communicates with the hollow portion of the housing assembly, a thermal expansive member which changes in its cubical volume in response to an external temperature; and a valve body which is connected to the thermal expansive member and which is movably arranged in the cylinder via a single seal member so as to engage with or disengage from the cylinder in accordance with the cubical change of the thermal expansive member.

REFERENCES:
patent: 2736604 (1956-02-01), Albright
patent: 3841551 (1974-10-01), Ota
patent: 3951166 (1976-04-01), Whitener
patent: 3960321 (1976-06-01), Steele, Jr.
patent: 4165035 (1979-08-01), Maltby
patent: 4285467 (1981-08-01), Maltby

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