Pneumatic control system and parts therefor and methods of makin

Details Pneumatic control system and parts therefor and methods of makin Pneumatic control system and parts therefor and methods of makin

1977-12-27

1980-03-25

Wayner, William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

251 612, G05D 2308

Patent

active

041946871

ABSTRACT:
A pneumatic control system for controlling a pneumatically operated device in relation to the operation of a pneumatic signal sending thermostat and a pneumatic signal sending set point adjuster, the set point adjuster being adapted to direct its pneumatic signal to pneumatically operated temperature setting means of the thermostat to set the thermostat to a particular temperature thereof whereby the thermostat is adapted to direct its pneumatic signal to the device to control the device in relation to the differential between the temperature sensed by the thermostat and the temperature setting thereof. The thermostat has an output chamber for directing its pneumatic signal and is disposed remote from the pneumatically operated temperature setting means thereof. The set point adjuster has a temperature sensor for changing its setting in relation to sensed temperature thereof. The set point adjuster has a setting means that includes an adjustable spring member that also comprises the temperature sensor thereof.

REFERENCES:
patent: 3263925 (1966-08-01), Joesting
patent: 3377022 (1968-04-01), Beatenbough et al.
patent: 3448659 (1969-06-01), Beatenbough et al.
patent: 3498332 (1970-03-01), Lybrook
patent: 3661164 (1972-05-01), Kreuter et al.
patent: 4005821 (1977-02-01), Slavin et al.
patent: 4007775 (1977-02-01), Caldwell

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