Hydraulic vehicle braking system
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United States of America Patent
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N/A
Issued Date -
Oct 9, 2003
app pub date -
Apr 9, 2002
filing date -
Apr 9, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hydraulic vehicle braking system includes a housing that contains a hydraulic fluid. A braking application includes using the hydraulic fluid to provide a braking force. In one example, increasing the pressure within the housing increases the braking force. One example includes a plurality of vanes that move within the hydraulic fluid. Changing an orientation of the vanes adjusts the resistance and the amount of braking force. Increased pressure and increased resistance to the movement of the vanes within the fluid causes a braking member and associated driveline components to slow down to achieve a desired deceleration of the vehicle. In one example, a fluid accumulator is associated with the housing to receive at least some of the hydraulic fluid during a braking application. The accumulator preferably is pressurized using a gas that facilitates returning the hydraulic fluid to the brake housing after a braking application has ended.
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