Towed vehicle brake actuation system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Dec 19, 1998
filing date -
Apr 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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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.
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