Two-circuit brake system for motor vehicles

Details Two-circuit brake system for motor vehicles Two-circuit brake system for motor vehicles

1977-06-08

1978-06-06

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

60562, 188345, 188349, 303 22R, 303100, B60T 804, B60T 818

Patent

active

040933130

ABSTRACT:
A two-circuit brake system for motor vehicles with a shiftable master brake cylinder which includes two pressure spaces for the two brake circuits, of which the pressure space for the front axle brake circuit has a larger cross section than the pressure space for the rear axle brake circuit and which are connected with each other by a line extending externally of the master brake cylinder, whereby a shifting valve operating in dependence on the vehicle load is arranged in this line which is able to establish and interrupt the connection between the two pressure spaces; an intermediate piston is arranged between the two pressure spaces in the master brake cylinder coaxial to the two pressure pistons, which is freely movable within a guide sleeve of smaller diameter and is provided with central extensions on both sides thereof for the mechanical cooperation with the two pressure pistons; the shifting valve is thereby adapted to be shifted as a function of the load, of the pressure prevailing in the brake cylinder and of the deceleration attainable with this pressure.

REFERENCES:
patent: 3800538 (1974-04-01), Jones
patent: 3825308 (1974-07-01), Kasselmann
patent: 3950037 (1976-04-01), Pembleton

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