Thermally-controlled valve

Details Thermally-controlled valve Thermally-controlled valve

1979-08-16

1981-01-13

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236 93A, F16T 110

Patent

active

042445183

ABSTRACT:
A valve is disclosed of the type which includes a thermal control element having at least one relatively thin rigid wall portion, a flexible membrane coupled to the periphery of the wall portion so as to define therebetween an expansion chamber in which an expansion medium is disposed, and a locking member which is actuated by the membrane for cooperative coaction with a valve seat. The valve is characterized by the provision of a relatively thick-walled, jacket-type housing which encompasses the control element in a supporting manner. The housing has flow conduits which oppose and run along the surface of the control element; the flow conduits being provided with an input and output opening for the medium to be discharged. The valve is particularly useful for steam traps.

REFERENCES:
patent: 598824 (1898-02-01), Stuckl
patent: 748888 (1904-01-01), Still
patent: 986967 (1911-03-01), Dunham
patent: 1572970 (1926-02-01), Stalker
patent: 2289020 (1942-07-01), Jones
patent: 4161278 (1979-07-01), Klann et al.

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