Pneumatic pressure control device

Details Pneumatic pressure control device Pneumatic pressure control device

1978-04-20

1980-06-03

Cohen, Irwin C.

Motors: expansible chamber type

With motive fluid valve

Electrically operated

13762565, 251138, 335277, F15B 1108, F15B 13044

Patent

active

042055938

ABSTRACT:
In a pressure control device for applying modulated pressure to a servo chamber of a vacuum servomotor in response to an output signal from an electric control circuit, the control device includes a modulator valve for modulating pressure in the servo chamber, a solenoid winding to be energized by the output signal from the electric control circuit, a pole of magnetic material disposed within the winding, a spring loaded armature of magnetic material positioned to face the pole and operatively connected to the modulator valve, and a shock absorber mounted on the pole to receive the armature thereon upon energization of the winding.

REFERENCES:
patent: 2619116 (1952-11-01), Ralston
patent: 3092145 (1963-06-01), Brinkel
patent: 3160052 (1964-12-01), Von Gunten
patent: 3164758 (1965-01-01), Siefert
patent: 3477346 (1969-11-01), Slavin et al.
patent: 3500722 (1970-03-01), Franz et al.
patent: 3584650 (1971-06-01), Macaulay
patent: 3611878 (1971-10-01), Puster
patent: 3693125 (1972-09-01), Prouty
patent: 3863114 (1975-01-01), De Mayo

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