Servo boosters for vehicle braking systems

Details Servo boosters for vehicle braking systems Servo boosters for vehicle braking systems

1979-07-06

1981-09-01

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91369A, 92165PR, 92166, F15B 910, F16J 1518

Patent

active

042865018

ABSTRACT:
In a servo booster in which the rear part of the valve body is slidably guided in a guide in the rear end of the booster housing, the rear part and the guide have non-round cross-sections to prevent the valve body from turning relative to the housing. This is of particular benefit when a tie extends through the movable wall for transmitting braking reaction forces. Such a tie has to be sealed to the movable wall by a suitable seal, and any turning of the movable wall might damage the seal.
The interior of the valve body is of circular cross-section so that, due to the non-round external shape, a radially thickened portion of the valve body is formed to carry a fluid conduit.

REFERENCES:
patent: 2891513 (1959-06-01), Fagge
patent: 3106873 (1963-10-01), Cripe

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