Vehicle-type thermostat construction and method of making the sa

Details Vehicle-type thermostat construction and method of making the sa Vehicle-type thermostat construction and method of making the sa

1984-03-26

1985-10-22

Tapolcai, William E.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

236100, F01P 702

Patent

active

045483540

ABSTRACT:
A single valve vehicle-type thermostat construction and method of making the same are provided, the thermostat construction comprising a temperature responsive device having a piston member and a cylinder member that are adapted to provide relative movement therebetween when the device senses certain temperatures, a single valve seat unit being operatively interconnected to one of the members, a single valve closure unit being operatively interconnected to the other of the members and being adapted to control fluid flow through the valve seat in relation to the position of the valve closure unit relative to the valve seat unit as determined by the temperature being sensed by the device, a first spring operatively interconnected to one of the members and to one of the units to always tend to hold the units against each other in a closed condition so as to prevent any fluid flow through the valve seat unit and, thus, through the thermostat construction, and a second spring operatively interconnected to the members to continuously urge the members together with a loading force even when the units are against each other in the closed condition thereof.

REFERENCES:
patent: 2830767 (1958-04-01), Herbenar
patent: 2837285 (1958-06-01), Urban
patent: 2873070 (1959-02-01), Drapeau
patent: 3194009 (1965-07-01), Baker
patent: 3315890 (1967-04-01), Drapeau
patent: 3454220 (1969-07-01), Bentz et al.
patent: 3734405 (1973-05-01), Wagner
patent: 4022377 (1977-05-01), Wagner et al.
patent: 4091991 (1978-05-01), Sliger
patent: 4426036 (1984-01-01), Sliger

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