Process for adjusting the value of the jump of a brake booster

Details Process for adjusting the value of the jump of a brake booster Process for adjusting the value of the jump of a brake booster

1990-05-07

1991-05-21

Look, Edward K.

Motors: expansible chamber type

Miscellaneous

913691, 913692, 913693, 913694, 91376R, 60327, 60554, F15B 900

Patent

active

050165208

ABSTRACT:
The process is for adjusting the value of the jump of a brake booster, in which are movably mounted a hollow boosting piston, a control rod carrying a plunger seated in the piston and a push rod, boosting means being controlled as a result of a forward movement of the plunger and their effect being to move the piston forwards, a reaction disc being interposed between an annular front face of the piston and a rear face of the push rod, the booster being intended for actuating a master cylinder. The process involves the following steps: determining the force which the booster must exert on the push rod in order to actuate the master cylinder, exerting this force on the push rod equipped with the reaction disc, measuring the deformation of the central part of the rear face of the reaction disc, measuring the distance between the annular front face of the piston and the front face of the plunger when the boosting means are in their position of equilibrium, and making this distance equal to the deformation of the central part of the rear face of the reaction disc.

REFERENCES:
patent: 4354423 (1982-10-01), Ohmi et al.
patent: 4545206 (1985-10-01), Kobayashi
patent: 4763561 (1988-08-01), Gautier
patent: 4817500 (1989-04-01), Gautier
patent: 4934249 (1990-06-01), Gautier et al.

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