Automatic temperature and humidity regulation – Ventilator type
Patent
1977-02-11
1979-02-27
Wayner, William E.
Automatic temperature and humidity regulation
Ventilator type
236DIG19, F24F 1102
Patent
active
041414969
ABSTRACT:
An improved pneumatic thermostat is provided which is capable of generating from a variable pressure air supply a pressurized air signal indicative of ambient temperature. The thermostat is used in conjunction with an air flow regulator in an air distribution system and utilizes as an air supply a portion of the air flow being distributed. The thermostat utilizes a pressure reducing valve which is referenced to pressure downstream from the air flow regulator, a flapper and nozzle pneumatic mechanism activated by a bi-metallic lever, and a self-aspirating arrangement which insures the bi-metallic lever is continuously sensing the true ambient temperature.
REFERENCES:
patent: 3238338 (1966-03-01), Nelson
patent: 3779275 (1973-12-01), Ley et al.
patent: 3913832 (1975-10-01), Dean, Jr.
Blanchard James B.
Powers Regulator Co.
Wayner William E.
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