Brakes – Operators – Speed-responsive
Patent
1978-02-21
1979-01-02
Reger, Duane A.
Brakes
Operators
Speed-responsive
310261, B60T 808
Patent
active
041322932
ABSTRACT:
This invention relates to a vehicle axle assembly comprising an axle, means for rotatably mounting a ground engaging wheel at each end of the axle, a fluid power brake mechanism mounted to the axle adjacent each end thereof, each brake mechanism being operative when actuated to restrain rotation of a wheel rotatably mounted at that end of the axle, a valve having a body, means providing a source of pressurized fluid to the body, conduits connecting the body to the brake mechanism at each end of the axle, relay means within the body being operable when actuated to modulate fluid pressure from the source to the brake mechanism, a wheel speed sensor mounted at each end of the axle, an annular sintered metal rotor press fitted on a hub rotatably mounted on each end of the axle and supporting the wheel, the rotor having a plurality of circumferentially and equally spaced notches, the notches so disposed on the rotor to angularly sweep by the sensor, the sensor adapted to generate electrical signals indicative of the angular velocity of the rotor and in turn of the hub and the wheel associated therewith, means for modulating the operation of the relay valve mounted in the body comprised of electrical means mounted in the body and electrically connected to the wheel speed sensors.
REFERENCES:
patent: 2913819 (1959-11-01), Andreotti et al.
patent: 3651901 (1972-03-01), Burckhardt et al.
patent: 3910386 (1975-10-01), Stigall et al.
Reger Duane A.
Rockwell International Corporation
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