Hydraulic brake booster

Details Hydraulic brake booster Hydraulic brake booster

1978-04-05

1980-01-01

Hershkovitz, Abraham

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

60548, 60582, 91 49, 91431, F01B 2502, B60T 1312

Patent

active

041810643

ABSTRACT:
The brake booster is connected in the hydraulic circuit containing the vehicle's power steering system. It is placed downstream of the power steering gear. A multi-functional accumulator/relief valve is provided. This valve functions as the flow restriction seat portion of the control valve to normally operate the booster, provides pressure relief to limit boost pressure to a predetermined maximum, and operates to controllably release pressure of an accumulator to the booster in the event that the power steering pump is not able to adequately perform as a pressure source for the brake booster.

REFERENCES:
patent: 3691903 (1972-09-01), Shellhause
patent: 3699680 (1972-10-01), Shellhause
patent: 3787029 (1974-01-01), Shellhause
patent: 3879948 (1975-04-01), Flory
patent: 3939658 (1976-02-01), Horvath
patent: 4014171 (1977-03-01), Kobashi
patent: 4075848 (1978-02-01), Ueda
patent: 4135435 (1979-01-01), Adachi

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