WAVE WASHER, ROTATION SHAFT SUPPORT DEVICE INCLUDING WAVE WASHER, AND ELECTRIC MOTOR INCLUDING ROTATION SHAFT SUPPORT DEVICE

PROBLEM TO BE SOLVED: To provide a wave washer that reduces the displacement for a symmetric member, a rotation shaft support device that includes the wave washer, and an electric motor that includes the rotation shaft support device.SOLUTION: A wave washer 50 is used for a shaft support device of a...

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Main Authors TANIGAWA TAKAYA, MURAMOTO KASHIN, TOYAMA YUICHI, NIWA TOMOHIRO, TSUKAHARA KOSUKE, TAKAHASHI HIROYUKI, KAWAKAMI FUMIHIRO, KIUCHI NAOKI
Format Patent
LanguageEnglish
Published 06.02.2014
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:PROBLEM TO BE SOLVED: To provide a wave washer that reduces the displacement for a symmetric member, a rotation shaft support device that includes the wave washer, and an electric motor that includes the rotation shaft support device.SOLUTION: A wave washer 50 is used for a shaft support device of an electric power steering device. The wave washer 50 includes an annular portion 51 and six outward projections 57. The annular portion 51 includes a first projection 54 that protrudes in a first shaft direction and a second projection 55 that is formed continuously with the first projection 54 and that protrudes in a second shaft direction. Each of the outward projections 57 protrudes outward RA from the outer peripheral of the annular portion 51 in a radial direction R of the annular portion 51.
Bibliography:Application Number: JP20120167738