Tandem type power servo booster

Details Tandem type power servo booster Tandem type power servo booster

1979-04-04

1981-07-21

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

92 48, F01B 1900, F15B 910

Patent

active

042791936

ABSTRACT:
A tandem type power servo booster including a housing having front and rear shells with front and rear pistons within the housing. The rear piston is coupled to a valve and an inner cylindrical member extends from the valve with the front piston secured to it. A push rod is inserted into the cylindrical member and a bias spring is also disposed therein. The front piston and the cylindrical member are formed from pressed metal and the inner diameter of the cylindrical member is larger than an outer diameter of the recessed portion.

REFERENCES:
patent: 3096689 (1963-07-01), Kytta
patent: 3103855 (1963-09-01), Hager et al.
patent: 3152518 (1964-10-01), Ayers, Jr.
patent: 3958497 (1976-05-01), Gardner et al.

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