Tractor-trailer brake system

Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors

Patent

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Details

180 62, 303 6A, 303 53, B60T 1124

Patent

active

045837880

ABSTRACT:
A fluid power circuit providing a selective operation of a trailer brake system, coupleable with a tractor brake system, comprises a pilot operated valve located between tractor and trailer brake system. The pilot operated valve can be put in a fluid flow passing mode from its fluid blocking mode by simultaneous engagement of two tractor brakes. An independent engagement of either of the tractor brakes, which is necessary for sharp turns in the field operation, does not actuate the trailer brake system.

REFERENCES:
patent: 3863991 (1975-02-01), Wilson

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