One-way clutch and one-way clutch unit for wind power generation device
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Mar 4, 2014
filing date -
Mar 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A one-way clutch, disposed between an input rotating body and an output rotating body, is used to connect the input and output rotating bodies so that the rotating bodies are rotatable integrally in a state in which the rotation speed of the input rotating body is higher than that of the output rotating body and to cut off the connection between the input and output rotating bodies in a state in which the rotation speed of the input rotating body is lower than that of the output rotating body. A plurality of engaging elements or an inner ring and an outer ring constituting the one-way clutch are made of a base material obtained by subjecting a martensitic stainless steel material to soft nitriding treatment, and the Vickers hardness of the portion up to 20 μm from the surface of the contact portion thereof is 1000 to 1500 Hv.
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