Vacuum augmentation device

Details Vacuum augmentation device Vacuum augmentation device

1976-12-10

1978-07-18

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

92 98R, F15B 910, F01B 1900, F16J 302

Patent

active

041008391

ABSTRACT:
A vacuum augmentation device having an outer shell divided into two chambers by means of a diaphragm, the diaphragm being adapted to be subjected to a differential pressure on the opposite sides thereof which is transferred through a piston plate on one face of a plurality of reaction levers to an output rod to produce a reaction force which is transferred to the other face of the reaction levers and then to an input rod and a metal mounting plate member interposed between the piston plate and reaction levers and having fulcrum pin retention pawls and fulcrum pin engaging pawls engaging the ends of fulcrum pins for preventing fulcrum pins from coming off the mounting plate member.

REFERENCES:
patent: 2949892 (1960-08-01), Ayers, Jr.
patent: 3389642 (1968-06-01), Robinette
patent: 3885455 (1975-05-01), Kita
patent: 3981227 (1976-09-01), Azuma

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