Hydraulic power boosters for vehicle hydraulic systems

Details Hydraulic power boosters for vehicle hydraulic systems Hydraulic power boosters for vehicle hydraulic systems

1980-12-30

1984-03-13

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

91416, B60T 1300

Patent

active

044359608

ABSTRACT:
In an hydraulic power booster a boost piston working in a bore in a housing is of stepped outline having at least three axially spaced portions of at least two different diameters. The two end portions carry seals having slidable sealing engagements with complementary portions of the bore, and a stationary seal is fixed in the housing. An intermediate portion of the piston disposed between the end portions and of smallest diameter has a slidable engagement in the stationary seal.

REFERENCES:
patent: 3257810 (1966-06-01), Hanni
patent: 4072085 (1978-02-01), Soupal
patent: 4075848 (1978-02-01), Ueda
patent: 4244185 (1981-01-01), Belart
patent: 4263784 (1981-04-01), Steffes
patent: 4317332 (1982-03-01), Schubert

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