Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1994-11-15
1997-04-01
Young, Lee W.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
303 15, 303 3, B60T 1300
Patent
active
056159293
ABSTRACT:
A vehicle train comprising a tractor and at least two trailers wherein each trailer has a brake sub-system. The brake sub-system includes a pressure transducer on the trailer responsive to pressure of a fluid pressure brake demand signals supplied thereto to provide an electrical brake demand signal and an electronic controller on the trailer responsive to the electrical brake demand signal to provide an electrical brake operating signal. The brake sub-system also includes a brake valve on the trailer responsive to the electrical brake operating signal supplied to the brake valve by the electronic controller to supply fluid to an actuator to operate a trailer brake under a brake pressure, from a primary source, determined in accordance with the electrical brake operating signal.
REFERENCES:
patent: 3158409 (1964-11-01), Hughson et al.
patent: 4575158 (1986-03-01), Grunert et al.
patent: 4792192 (1988-12-01), Tveitane
patent: 5284384 (1994-02-01), Herring
patent: 5425571 (1995-06-01), Wallestad et al.
Grau Limited
Young Lee W.
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