Automatic temperature and humidity regulation – Snap-acting – Including a permanent magnet
Patent
1978-01-18
1979-06-05
O'Dea, William F.
Automatic temperature and humidity regulation
Snap-acting
Including a permanent magnet
236 87, 236 99D, G05D 2310
Patent
active
041571584
ABSTRACT:
A temperature responsive valve assembly includes a body having an inlet port and first and second outlet ports, a thermostatic bimetal disk disposed within the body and responsive to a variation in temperature to change the curvature thereof from a first position to a second position, a first seat portion disposed within a first passage between the inlet port and the first outlet port, a second seat portion disposed within a second passage between the inlet port and the second outlet port, a valve member arranged between the first and second seat portions and engageable with both seat portions, a connecting means following the movement of the bimetal disk to thereby actuate the valve members between a first position wherein the valve member engages with the first seat portion to control the first passage and a second positon wherein the valve member engages with the second seat portion to control the second passage, a seat member having the second seat portion thereon and being adjustably threaded with the body, the seat member having a projection receiving area, and a plate member secured to the body and having a projection positioned within the receiving area of the seat member.
REFERENCES:
patent: 807476 (1905-12-01), Leidecker
patent: 1908440 (1933-05-01), Milton
patent: 2736529 (1956-02-01), Songer
patent: 4026464 (1977-05-01), Doherty, Jr.
patent: 4068800 (1978-01-01), Doherty, Jr.
patent: 4076172 (1978-02-01), Inada et al.
Inada Masami
Kitamura Kazuhiko
Aisin Seiki Kabushiki Kaisha
O'Dea William F.
Tapolcai, Jr. William E.
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