Hydraulic cylinder having piston-mounted bypass valve
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United States of America Patent
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May 21, 2013
Grant Date -
Aug 19, 2010
app pub date -
Feb 13, 2009
filing date -
Feb 13, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic cylinder is disclosed. The hydraulic cylinder may have a tube, and a piston disposed within the tube and having a bore passing through the piston. The hydraulic cylinder may also have a valve element disposed within the bore and having a length shorter than a length of the bore. The valve element may be mechanically movable to allow fluid flow through the bore, and hydraulically movable to inhibit fluid flow through the bore.
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