Thermally operated control device and method of making the same

Details Thermally operated control device and method of making the same Thermally operated control device and method of making the same

1975-11-06

1977-07-19

Rosenthal, Arnold

Automatic temperature and humidity regulation

Thermostatic

Expanding fluid

236 86, 251 11, 60527, 13762526, G05D 2302

Patent

active

040364330

ABSTRACT:
A thermally operated control device having a housing provided with a chamber divided into two sections by a flexible diaphragm and with thermally expansible material filling one of the sections to act on one side of the diaphragm and with a plunger disposed in the other of the sections and having one end thereof abutting the other side of the diaphragm to be moved thereby, the chamber sections being substantially of the same size adjacent the opposed sides of the diaphragm and the one end of the plunger substantially filling its respective section adjacent its side of the diaphragm to minimize the deformation and stretching of the diaphragm as the material forces the diaphragm into the plunger section upon expansion of the material.

REFERENCES:
patent: 2694415 (1954-11-01), Dillon
patent: 3131563 (1964-05-01), Britton
patent: 3168353 (1965-02-01), Horowitz
patent: 3180150 (1965-04-01), Horne
patent: 3381469 (1968-05-01), Schwartz
patent: 3738571 (1973-06-01), Elmer
patent: 3841551 (1974-10-01), Ota

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