Thermal expansion check valve

Details Thermal expansion check valve Thermal expansion check valve

1980-12-15

1982-02-09

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

126434, 137468, 13753311, 251 11, G05D 2300

Patent

active

043146678

ABSTRACT:
A ball check valve is provided for use in a thermosiphoning solar energy system. The valve is extremely sensitive to low pressure variations and will permit reverse thermosiphoning above specified operating temperatures.

REFERENCES:
patent: 2105893 (1938-01-01), Salmonsen
patent: 3563305 (1971-02-01), Hay
patent: 3610275 (1971-10-01), Determan
patent: 3620228 (1971-11-01), Schmid
patent: 4192290 (1980-03-01), Jensen
patent: 4201626 (1980-05-01), Asdigian
patent: 4245617 (1981-01-01), Buckley
patent: 4258700 (1981-03-01), Vaseen

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