Thrust-control device for a motor vehicle

Details Thrust-control device for a motor vehicle Thrust-control device for a motor vehicle

1986-09-29

1988-02-23

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303116, 180197, B60T 840, B60T 836

Patent

active

047266309

ABSTRACT:
A thrust-control device for a motor vehicle having wheels driven on one axle, with a dual-circuit brake system having a tandem main brake cylinder and a brake booster supplied from a special auxiliary pressure source, with an anti-lock system having a brake-pressure medium return device, and with a pressure accumulator serving for thrust control, is extended for use on vehicles with a connectable or permanent all-wheel drive, to the effect that a stop valve is arranged in the brake circuit of the wheels of the further axle and there is a control valve controlling the accumulator pressure and acting on a pressure modulator, the pressure modulator influencing the brake pressure in the brake circuit of the wheels of the further axle when the drive of these wheels is connected and drive slip occurs. This simple extension requires no additional accumulator and makes it possible to preserve the independence of the brake circuits.

REFERENCES:
patent: 4509802 (1985-04-01), Solleder et al.
patent: 4589511 (1986-05-01), Lieber
patent: 4602824 (1986-07-01), Nishimura et al.
patent: 4648663 (1987-03-01), Nomura et al.

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