Wave washer, rotary shaft supporting device including same, and electric motor

The invention provides a wave washer, a rotary shaft supporting device including the wave washer , and an electric motor including the rotary shaft supporting device. The wave washer (50) is used for a shaft supporting device of an electric power steering system. The wave washer (50) has an annular...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIROYUKI TAKAHASHI, TOMOHIRO NIWA, YOSHINOBU MURAMOTO, TAKAYA TANIKAWA, KOSUKE TSUKAHARA, YUICHI TOYAMA, NAOKI KINOUCHI, FUMIHIRO KAWAKAMI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a wave washer, a rotary shaft supporting device including the wave washer , and an electric motor including the rotary shaft supporting device. The wave washer (50) is used for a shaft supporting device of an electric power steering system. The wave washer (50) has an annular portion (51) and six outward protrusions (57). The annular portion (51) has first protrusions (54) that protrude in a first axial direction and second protrusions (55) that are formed so as to continuous with the first protrusions (54) and that protrude in a second axial direction. Each outward protrusion (57) protrudes from an outer periphery of the annular portion (51) in a radially outward direction (RA) of the radial direction (R) of the annular portion (51).