Hydraulic brake booster

Details Hydraulic brake booster Hydraulic brake booster

1979-08-17

1982-01-12

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 91391R, F15B 910, F15B 1310

Patent

active

043099343

ABSTRACT:
A hydraulic booster for a brake system comprising a booster piston, a pressure-control device, an annular piston bearing against the booster piston and a central piston which is movable within limits relative to the annular piston by the brake pedal and actuates the pressure-control device. In this arrangement, the central piston and the annular piston are adapted to be coupled together after the force of a spring is overcome whereupon these two pistons are movable as one. The central piston is permanently subjected to the pressure acting on the booster piston when the brake system is actuated.

REFERENCES:
patent: 2761427 (1956-09-01), Shumaker
patent: 2883971 (1959-04-01), Ayers, Jr.
patent: 2953120 (1960-09-01), Ayers, Jr.
patent: 3747473 (1973-07-01), Bach et al.

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