System and method to recapture energy of a hydraulic motor
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United States of America Patent
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Aug 18, 2015
Grant Date -
Sep 1, 2011
app pub date -
May 10, 2011
filing date -
May 6, 2009
priority date (Note) -
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Abstract
A system and method to recapture energy of a hydraulic motor is disclosed. The system includes a plurality of pistons disposed about a periphery of a flywheel, wherein each piston is compressed by a roller during each revolution of the flywheel. As each piston is engaged and pushes against the roller, the piston is biased inward and forces hydraulic fluid out of the cylinder recapturing energy as pressure to the system when the flywheel is rotating under its own rotational inertia. In addition, the piston pushing against the roller causes the flywheel to continue to rotate. As the force acting on the piston causes the flywheel to rotate, the next piston starts to approach the position of the prior piston. This action continues as long as the fluid is under pressure when it enters each cylinder.
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