Hydraulic damper, hydraulic bump-stop and diverter valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9702424
SERIAL NO

14876796

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Importance

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Abstract

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Hydraulic bump stops and bi-directional diverter valves may be used to protect hydraulic systems, including, for example in one embodiment, the hydraulic actuators of an active suspension system, from damage due to operation outside the normal operating range of the system. In some embodiments, a hydraulic bump stop may be used to slow down the motion of a piston at the extremes of the compression and/or extension strokes of an actuator. In another embodiment, a diverter valve may be used to protect a hydraulic motor/pump in a hydraulic system from an over-speed condition. When the piston in an active suspension system actuator moves at a speed in excess of a threshold value, one or more diverter valves may be used to divert flow away from the hydraulic motor/pump. In some embodiments, a diverter valve may be a dual or single spool bi-directional diverter valve.

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Patent Owner(s)

Patent OwnerAddress
LEVANT POWER CORPORATION475 WILDWOOD AVENUE WOBURN MA 01801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ekchian, Jack A Belmont, US 68 1513
O'Shea, Colin Patrick Cambridge, US 30 1293
Tucker, Clive Charlestown, US 75 2261
Zuckerman, Richard Anthony Somerville, US 18 304

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