Thermostat construction and method of making the same

Details Thermostat construction and method of making the same Thermostat construction and method of making the same

1977-12-27

1980-03-11

Wayner, William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

137 85, 236 51, G05D 2308

Patent

active

041924533

ABSTRACT:
A thermostat construction for producing a pneumatic signal in relation to sensed temperature and having a housing provided with a pneumatically operated set point adjustment diaphragm operatively interconnected to a temperature sensor and a pneumatically operated feedback diaphragm to control a valve unit for producing the pneumatic signal in an output chamber of the housing that is defined in part by the feedback diaphragm, a balancing diaphragm being carried by the housing and also defining in part the output chamber thereof.

REFERENCES:
patent: 3052254 (1962-09-01), Parks
patent: 3165262 (1965-01-01), Ollivier
patent: 3263925 (1966-08-01), Joesting
patent: 3861588 (1975-01-01), Bata et al.
patent: 3871396 (1975-03-01), Bentsen

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