Automatic temperature and humidity regulation – Motors – Fluid-operated
Patent
1979-08-28
1980-12-30
Makay, Albert J.
Automatic temperature and humidity regulation
Motors
Fluid-operated
123588, 137550, 236101C, G05D 2308
Patent
active
042418739
ABSTRACT:
A temperature responsive valve device including a body having first, second and third ports, a first passage member disposed between the first and second ports, a second passage member disposed between the second and third ports, a member defining an orifice arranged within the first passage member for delaying transmission of fluid therethrough, a first filter member arranged between the orifice member and the first port and within the first passage member, a second filter member arranged within the first and second passage members and between the orifice member and the second port as well as between the second and third ports, a passage defining member having an annular portion which contacts with the second filter member to thereby allow fluid communication between an inner portion of the annular portion with the first port and communication of an outer portion of the annular portion with the third port only through means of the second filter member, and a temperature responsive valve member for interrupting communication of the third port with the second port in response to change in temperature.
REFERENCES:
patent: 1757430 (1930-05-01), Jones
patent: 1897572 (1933-02-01), Cornell, Jr.
patent: 3443693 (1969-05-01), Biermann
patent: 3857373 (1974-12-01), Martin et al.
patent: 4044732 (1977-08-01), Inada et al.
patent: 4076172 (1978-02-01), Inada et al.
patent: 4098452 (1978-07-01), Benjamin
patent: 4108372 (1978-08-01), Brakebill
patent: 4157158 (1979-06-01), Kitamura
patent: 4181254 (1980-01-01), Yoshihiro et al.
Aisin Seiki Kabushiki Kaisha
Makay Albert J.
Tapolcai, Jr. William E.
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