BRAKE UNIT OF A SLIP-CONTROLLED MOTOR VEHICLE BRAKE SYSTEM WITH A FLUID SUPPLY DEVICE
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Feb 5, 2010
filing date -
Feb 9, 2009
priority date (Note) -
Abandoned
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Abstract
A brake unit of a slip-controlled motor vehicle brake system with a fluid supply device with an electrically operated fluid supply device provides a pressurised hydraulic or pneumatic fluid in the brake circuits of the brake system. The fluid supply device has a pressure chamber with at least one fluid inlet and at least one fluid outlet. One non-return valve each is provided at the fluid inlet and the fluid outlet. A piston which protrudes into the pressure chamber is movable at least into one of two end positions by means of an electric drive device. In the one end position, a minimum volume is defined by the pressure chamber and the piston. In the other end position, a maximum volume is defined by the pressure chamber and the piston.
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