Automatic temperature and humidity regulation – Cooling radiator – Bypass
Patent
1978-03-20
1981-03-24
Tapolcai, Jr., William E.
Automatic temperature and humidity regulation
Cooling radiator
Bypass
251333, G05D 2312
Patent
active
042575532
ABSTRACT:
A valve construction having a valve seat and a movable valve member for opening and closing the valve seat and being operatively interconnected to a thermal power element carried by the valve construction, the valve member having an annular metallic part for engaging the valve seat to close the same and having an annular flexible elastomeric part for also engaging the valve seat upstream from the metallic part to augment the closing of the valve seat. The annular flexible elastomeric part is molded to the metallic part to be carried thereby.
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patent: 3858800 (1975-01-01), Wong
Sliger Boyd P.
Steele, Jr. Everett T.
Robertshaw Controls Company
Tapolcai, Jr. William E.
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