HYDRAULIC HYBRID SAFETY SYSTEM
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United States of America Patent
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app pub date -
Aug 14, 2014
filing date -
May 20, 2013
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Abandoned
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Abstract
A hydraulic hybrid safety system with an over-center bent-axis rotary pump/motor, a yoke and a calibrated orifice. The yoke has a zero yoke angle and a plurality of non-zero yoke angles. In addition, the pump/motor has zero torque when the yoke angle is at the zero yoke angle and non-zero torque when the yoke is at a non-zero yoke angle. The system also has at least one accumulator and at least one hydraulic line. The at least one accumulator is configured to provide hydraulic pressure and rotate the yoke via the at least one hydraulic line. The calibrated orifice is located within the at least one hydraulic line and limits the rotational speed of the yoke to a predetermined maximum value.
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