Hydraulic booster

Details Hydraulic booster Hydraulic booster

1980-11-10

1983-01-04

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91378, F15B 910

Patent

active

043667457

ABSTRACT:
A hydraulic booster comprising a booster piston, 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 to control flow of a pressurized fluid. The central piston and the annular piston are coupled together to move as a unit after the force of a spring is overcome. The central piston is subject to the pressure acting on the booster piston. In order to reduce the force reaction on the brake pedal, the central piston is operated by the brake pedal through a pin subjected to the pressurized fluid, the pin extending centrally through the annular piston in a sealed relationship thereto.

REFERENCES:
patent: 2883971 (1959-04-01), Ayers, Jr.
patent: 3747473 (1973-07-01), Bach et al.

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