Air pressure servomotor

Details Air pressure servomotor Air pressure servomotor

1979-05-31

1983-11-29

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 605471, 92 98D, F15B 910, F01B 1900, F16J 302

Patent

active

044175000

ABSTRACT:
Air pressure servomotor including front shell and rear shell coupled to said front shell so as to construct a housing, a diaphragm disposed in the housing, a piston plate located adjacent the diaphragm, input rod and output rod. The front and rear shells hold a cylinder structure which extends axially from the wall of the front shell to the wall of the rear shell and supports the shells axially, and which has slits running from the forward end to the intermediate portion thereof. A valve having a valve mechanism is slidably disposed in the cylinder structure and having a valve mechanism. Said input rod is connected to the foot pedal and the output rod is connected to the master cylinder. And when the foot pedal is operated to actuate the input rod, the action of the input rod is amplified by the operation of the valve mechanism and the piston plate and transmitted to the output rod therethrough, and then the master cylinder is actuated. During this operation, the cylinder structure supports the front and rear shells and prevents them from deforming, so shortening of the stroke of the output rod by the deformation of the shells is avoided.

REFERENCES:
patent: 2369797 (1945-02-01), Rappl
patent: 3537358 (1970-11-01), Bunyard
patent: 4095509 (1978-01-01), Tateoka

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