Hydraulic damper having leaf valve stopper
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United States of America Patent
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Aug 15, 1995
Issued Date -
N/A
app pub date -
Jul 9, 1993
filing date -
May 14, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to a hydraulic damper arranged between a vehicle chassis and a wheel axle for use in attenuating a vibration transmitted from a road surface. A leaf valve and a main valve are provided at an inner seat and an outer seat having different heights to each other arranged at outlet ports of a piston in such a way as they may be opened or closed, the leaf valve is supported at its base end by a stopper provided with a tapered or curved surface at is upper surface. The main valve is arranged in such a way as it may be floated up and down in opposition to the outer seat. A load of the main valve is set only with an inertia of a spring, so that an attenuation force can be stabilized, and the leaf valve is supported by the tapered or curved surface of the stopper when flexed, resulting in that no cracks are generated.
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