Pressure generator for a hydraulic vehicle brake system

Details Pressure generator for a hydraulic vehicle brake system Pressure generator for a hydraulic vehicle brake system

1990-06-22

1991-08-13

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60533, 60567, 60591, 303115, B60T 1700, B60T 842, F15B 700

Patent

active

050385658

ABSTRACT:
The brake system has an apparatus for traction control having a pressure generator. The pressure generator has a longitudinally displaceable cylinder for receiving brake fluid. The cylinder is connected by means of a valve to a pressure course between a master brake cylinder and a wheel brake cylinder. An actuating element is provided for closing and opening the pressure course to the master brake cylinder as a function of the cylinder position. The actuating element, extending coaxially between the cylinder and the valve comprises a tube and furnishes hydraulic communication between the cylinder and the valve. If excessive drive slip occurs, brake fluid can be positively displaced out of the cylinder by longitudinal displacement thereof, and brake pressure can be generated in the wheel brake cylinder. The actuating element assumes a piston function, which enables a structure of the cylinder having a smaller diameter and a long stroke. This makes for more accurate adjustment of the brake pressure.

REFERENCES:
patent: 3677610 (1972-07-01), Pauwels et al.
patent: 4162108 (1979-07-01), Shimizu
patent: 4624508 (1986-11-01), Adachi et al.
patent: 4653815 (1987-03-01), Agarwal et al.
patent: 4904028 (1990-02-01), Leiber et al.
patent: 4948200 (1990-08-01), Leiber et al.
patent: 4950028 (1990-08-01), Harrison

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