Pressurized Air-Spring Return Cylinder and Pneumatic Intensifier System
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United States of America Patent
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Issued Date -
Sep 22, 2011
app pub date -
Dec 10, 2008
filing date -
Dec 10, 2008
priority date (Note) -
Abandoned
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Abstract
A pneumatic cylinder system has a pneumatic supply at a first predetermined pneumatic pressure. A double acting cylinder is operably connected to the pneumatic supply and with a piston reciprocatingly mounted inside for retraction and extension of a piston arm connected to the piston. A high pressure pneumatic reserve chamber stores pneumatic reserve at a second predetermined pneumatic pressure that is higher than the first predetermined pressure. The high pressure pneumatic reserve chamber is operably connected to the double acting cylinder through a valve device such that when the pneumatic supply falls below a third predetermined pressure below the first predetermined pressure, the valve device opens communication between the high pressure pneumatic reserve chamber to a selected side of the double acting cylinder to selectively retract or extend the piston and the attached piston arm.
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