Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1989-10-20
1992-03-24
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303114R, B60T 0840
Patent
active
050981714
ABSTRACT:
A brake system having a master brake cylinder embodied as an electrohydraulic followup booster, this cylinder communicates with a brake pedal via a piston rod. The piston rod acts upon a master cylinder piston, which in turn puts a brake chamber under brake pressure. As a result, brake fluid flows via brake lines to various wheel brake cylinders. The master cylinder piston is also assigned a servo piston chamber, which communicates via a control element with a device for supplying servo brake fluid. This control element is controlled via a travel transducer that detects the motion of the piston rod. Additionally, however, the master cylinder piston is assigned a travel transducer which independently of the motion of the piston rod detects the actual motion of the master cylinder piston, and by way of which the control element is likewise triggered for the servo brake fluid, via an electronic unit.
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patent: 4557528 (1985-12-01), Leiber
patent: 4580847 (1986-04-01), Burgdorf
patent: 4658939 (1987-04-01), Kircher et al.
patent: 4678243 (1987-07-01), Leiber
patent: 4776646 (1988-10-01), Siegel
patent: 4778224 (1988-10-01), Leiber
patent: 4824186 (1989-04-01), Leiber et al.
Greigg Edwin E.
Greigg Ronald E.
Muratori Alfred
Oberleitner Robert J.
Robert & Bosch GmbH
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