Master cylinder with quickfill stage
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United States of America Patent
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-
Jul 15, 1997
Grant Date -
N/A
app pub date -
Jun 23, 1995
filing date -
Jul 5, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A master cylinder (10) for a hydraulic brake system comprises a quickfill stage (28) which in the initial phase of an actuation of the master cylinder rapidly fills an associated brake system with hydraulic fluid upon a relatively short actuation travel. A housing (12) of the master cylinder (10) extends essentially along an axis (A) and comprises at least one pressure chamber (14) formed therein which is open at the actuation end of the master cylinder (10). A quickfill piston and a quickfill chamber of the quickfill stage (28) are essentially formed by a cup shaped component (30) which is guided on the acutation end of the master cylinder housing (12) in a telescopical and pressure chamber sealing manner. This solution can be manufactured economically and requires little installation space.
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