Slave operated self-contained hydraulic brake system for towed trailers and other vehicles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Nov 22, 2000
filing date -
Nov 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A slave operated self-contained hydraulic brake system having an electric motor that is mounted on a gear housing. The electric motor moves a threaded rod in a lateral direction. Movement in a first direction results in contact of the rod with a master cylinder piston assembly within a master cylinder. Movement of the master cylinder piston assembly forces hydraulic fluid out of the master cylinder to actuate brakes of a towed vehicle. A pressure sensor is attached to the master cylinder and measures the hydraulic fluid pressures in master cylinder chamber. Movement of the rod in a second direction is detected by a reverse limit switch. Electrical signals are used to control the slave operated self-contained hydraulic brake system. The brake system communicates electrically with a brake control board. Sensors may be provided to provide information to a microprocessor on the control board to add control features to the brake system.
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Cited Art Landscape
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