Power piston of booster

Details Power piston of booster Power piston of booster

1974-12-18

1976-09-21

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91369B, 92 98D, 92 99, F15B 910, F01B 1900, F16J 302

Patent

active

039812278

ABSTRACT:
In a power piston for use in a booster which includes a piston plate coupled with a diaphragm for receiving differential pressure acting thereacross, a valve body one end of which being secured to the center portion of the piston plate and a valve mechanism disposed in the valve body, the improvement resides in that there are provided a head portion and a hole respectively on one end of the valve body and in the center portion of the piston plate which have complementary configurations such that the hole can receive the head portion only when they are at specific angular positions, and there is provided a neck portion continuous with the head portion of the valve body and having an axial length sufficient to receive the piston plate thereon, the inner circumferential portion of the diaphragm is clamped by means of the piston plate and thus secured to the valve body.

REFERENCES:
patent: 3754450 (1973-08-01), Putt et al.

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