ELECTRIC POWER STEERING DEVICE

PROBLEM TO BE SOLVED: To suppress engagement noise by engagement of both tooth parts by suppressing increase variation of backlash even if a driving gear and a driven gear are worn by engagement of the mutual tooth parts. SOLUTION: The electric power steering device is a device for driving an electr...

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Bibliographische Detailangaben
1. Verfasser:	YOSHIDA KAZUTADA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRAILERS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To suppress engagement noise by engagement of both tooth parts by suppressing increase variation of backlash even if a driving gear and a driven gear are worn by engagement of the mutual tooth parts. SOLUTION: The electric power steering device is a device for driving an electric motor 5 in response to steering of a steering member 1 to perform steering assist and is provided with the driving gear 6a connected to a rotation shaft 5a of the electric motor 5; the driven gear 6b fitted to a steering shaft 2 and engaged with the driving gear 6a; a polymer actuator 22 for urging the driving gear 6a to the driven gear 6b side; and a control means 28 for electrically controlling the polymer actuator 22. COPYRIGHT: (C)2006,JPO&NCIPI