Braking corrector

Details Braking corrector Braking corrector

1985-05-02

1986-12-16

Reger, Duane A.

Fluid-pressure and analogous brake systems

Load control

Responsive to fluid pressure spring

92 64, 251291, 303 56, B60T 822

Patent

active

046292578

ABSTRACT:
Control device for a braking corrector (10) capable of being imposed between a source of hydraulic pressure and a motor vehicle braking circuit, of the type incorporating a casing (12) provided with at least one bore (14, 14') a plain or differential hydraulic piston (16, 16') sliding in the bore (14, 14') and defining in it a first pressure chamber (18, 18') and a second pressure chamber (22, 22') which are capable of being joined to the source of pressure and to the braking circuit, respectively, the piston (16, 16') controlling the flow of a fluid under pressure between the chambers, the control device incorporating a pilot piston (48) for fluid capable of generating a pilot force (Fp) upon the hydraulic piston (16, 16') so as to push the latter toward the inside of the casing (12) in the direction in which the flow of fluid is established, the fluid under pressure generating a reaction force (Fr) pushing the piston (16, 16') toward the outside of the casing (12) in the direction in which the flow of fluid is interrupted. The control device forms a sub-assembly (34) which is capable of being mounted as a unit on the casing (12) and which is adjustable in position, the sub-assembly (34) incorporating a fixed bulkhead (52) supporting the force of a calibration spring (60) and guiding a rod (66) of the pilot piston (48).

REFERENCES:
patent: 3031235 (1962-04-01), Schwartz
patent: 3223458 (1965-12-01), Valentine
patent: 3399932 (1968-09-01), Alfieri et al.
patent: 4353599 (1982-10-01), Carre et al.

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