Parking brake system including a brake cylinder
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United States of America Patent
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-
Apr 18, 2017
Grant Date -
Oct 16, 2008
app pub date -
May 23, 2008
filing date -
Jan 8, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A brake system for a rail vehicle including a brake cylinder having a housing, a port on the housing for receiving fluid pressure signals, a pressure piston carried inside the housing, and a shaft connected to the pressure piston. The pressure piston and the shaft form an actuator to apply and release the brakes of the rail vehicle. A parking brake locking mechanism is connected to the actuator and is responsive to fluid signals from a fluid charged brake pipe to lock and unlock the parking brake locking mechanism. Further included is a manual release device configured to unlock the parking brake locking mechanism from the locked position.
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