Speed responsive systems

Details Speed responsive systems Speed responsive systems

1975-07-31

1977-03-08

Maslousky, Paul E.

Motors: expansible chamber type

Constantly applied motive fluid with controlled venting

91459, 92 40, F15B 13044, F16J 304

Patent

active

040106748

ABSTRACT:
An actuator device includes a chamber partly bounded by a movable wall and connected to atmosphere through a permanently open orifice and an electromagnetic valve which is maintained in a closed position when de-energized and which controls the connection to said chamber of a volume of gas at other than atmospheric pressure when said valve is open.

REFERENCES:
patent: 1070740 (1913-08-01), Sabroe
patent: 3073345 (1963-01-01), Hagler
patent: 3502000 (1970-03-01), Voges et al.
patent: 3584650 (1971-06-01), Macaulay

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