Servo-brake-auto-modulator for a trailer provided with a pneumat

Details Servo-brake-auto-modulator for a trailer provided with a pneumat Servo-brake-auto-modulator for a trailer provided with a pneumat

1988-09-15

1990-03-27

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Load control

Detail

303 71, 303 13, 188195, B60T 818, B60T 1322

Patent

active

049115057

ABSTRACT:
A servo-brake-auto-modulator of the kind for use in a trailer provided with a pneumatic braking system is modified so as to enable also the achievement of the functions of an anti-overload valve. To that end a discharge passage (26) which communicates with the atmosphere is formed in an inlet chamber (22) of the body (51) of the servo-brake-auto-modulator (20) in such a position that a control member (47) in one of its working positions, causes a control chamber (33) to be connected to said discharge passage (26), preventing overloading of the parking-brake members (6).

REFERENCES:
patent: 3294455 (1966-12-01), Valentine
patent: 3411833 (1968-11-01), Alfieri
patent: 4593954 (1986-06-01), Campanini
patent: 4726626 (1988-02-01), Angelillo

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