MULTI-STAGE TRANSMISSION

A multi-stage transmission having more stages using planetary gear sets and employing a forced return means for achieving smooth shifting in a forward operation by acceleration manipulation and a reverse operation by deceleration manipulation is provided. The multi-stage transmission includes a shaf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JUNG TAE-JIN, AN SEONGOL, YOO HYUK
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYCLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES THERMAL INSULATION IN GENERAL TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A multi-stage transmission having more stages using planetary gear sets and employing a forced return means for achieving smooth shifting in a forward operation by acceleration manipulation and a reverse operation by deceleration manipulation is provided. The multi-stage transmission includes a shaft with both ends fixed, a sprocket for receiving a rotational force and a hub shell for outputting the rotational force; a shifting unit comprising one-way clutches and planetary gear sets, each of planetary gear sets being composed of a sun gear, planetary gears, a carrier and a ring gear provided within the hub shell to change the rotational force input through the sprocket and to output the changed rotational force to the hub shell; and a control unit for controlling shifting by controlling pawls provided on the shaft according to manipulation of a shift lever to selectively restrict rotation of the sun gear.