Thermostatic ventilator actuator

Details Thermostatic ventilator actuator Thermostatic ventilator actuator

1977-03-24

1979-05-22

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

236 99E, 236100, F24F 700

Patent

active

041555040

ABSTRACT:
A thermostatic ventilator operator has a thermostatic actuator consisting of a pair of tubes telescoped together with a plurality of thermally responsive power elements arranged coaxially therein. An operating lever is pivoted on a mounting bracket. The thermostatic actuator is pivotally connected to the mounting bracket and to the operating lever with one of the pivots being slidable in a direction normal to its axis. A pair of extension springs bias the slidable pivot in one direction.

REFERENCES:
patent: 729927 (1903-06-01), Fulton
patent: 816916 (1903-04-01), Keeler
patent: 2408269 (1946-09-01), Peterson
patent: 2511042 (1950-06-01), Branson
patent: 2754062 (1956-07-01), Von Wangenheim
patent: 3036777 (1962-05-01), Budde
patent: 3386065 (1968-05-01), Algino
patent: 4055954 (1977-11-01), Marks et al.

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