Towed vehicle brake actuation system

Details Towed vehicle brake actuation system Towed vehicle brake actuation system

1998-12-19

2000-12-12

Mar, Michael

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 12, B60T 1300

Patent

active

061588237

ABSTRACT:
The present invention is a vacuum operated brake actuation sytem for actuating a towed vehicle's brake system. In a preferred embodiment it comprises a source of vacuum, a vacuum level sensor and switch, an electrically operated, spring return, four way, two position, vacuum valve with speed controls, and a double acting vacuum operated cylinder that actuates the towed vehicle's brake pedal which actuates the towed vehicle's brake system as the cylinder is directed by the valve. The preferred embodiment also comprises electrical wiring, vacuum hoses, fittings, connections, check valves, a breakaway switch, and other miscellaneous bracketry and hardware as required to complete the system. A vacuum pump along with a vacuum level sensor and switch for monitoring vacuum levels and passing electrical power to operate the vacuum pump as required are included in the preferred embodiment of the present invention.

REFERENCES:
patent: 5411321 (1995-05-01), Harness
patent: 5431253 (1995-07-01), Hargrove
patent: 5823637 (1998-10-01), Blue
patent: 5911483 (1999-06-01), Overhulser
patent: 5915798 (1999-06-01), Ford

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