WHEEL DRIVING DEVICE

PROBLEM TO BE SOLVED: To provide a wheel driving device inexpensively and simply constructed to prevent the occurrence of abnormal noises during low-speed rotation of an electric driving source.SOLUTION: A wheel driving device 10 includes: a rotational load mechanism 40. The mechanism 40 includes a...

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Bibliographische Detailangaben
1. Verfasser:	FUKUTOME HIDEKI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING BRAKES CLUTCHES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUPLINGS FOR TRANSMITTING ROTATION DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a wheel driving device inexpensively and simply constructed to prevent the occurrence of abnormal noises during low-speed rotation of an electric driving source.SOLUTION: A wheel driving device 10 includes: a rotational load mechanism 40. The mechanism 40 includes a friction locking member 41 stored in an in-wheel motor 13, namely, inside a hollow-shaped output shaft 16a of a motor body 16, and provided non-rotatably; a brake shoe 42 to be rotated integrally with the output shaft 16a to frictionally engage with the member 41; and a push spring 43 for energizing the shoe 42 toward the member 41. Thus, when low-speed rotation of the output shaft 16a involves lower centrifugal force, the push spring 43 energizes the shoe 42 toward the member 41 so that the shoe 42 frictionally engages with the member 41. As a result, braking force due to friction is imparted to the output shaft 16a during the low-speed rotation to suppress the vibration of the output shaft 16a, thus suppressing the occurrence of abnormal noises (gear noises).