Power unit having engine and continuously variable...

Details Power unit having engine and continuously variable... Power unit having engine and continuously variable...

2011-08-23

2011-08-23

Mansen, Michael R. (Department: 3654)

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

C180S199000, C180S200000, C180S201000, C180S202000, C180S203000

Reexamination Certificate

active

08002653

ABSTRACT:
A power unit includes an engine having a crankshaft, and a continuously variable transmission having a drive pulley operatively connected with the crankshaft, a driven pulley, and a belt extended between and wrapped around the drive pulley and the driven pulley. The power unit further includes a transmission input clutch, which allows or interrupts the transmission of a rotational drive force of the crankshaft to the drive pulley, mounted on a drive pulley shaft; and a starter clutch, which allows or interrupts the transmission of a rotational drive force of the driven pulley to the drive wheel, mounted on a driven pulley shaft. The transmission input clutch and the starter clutch are arranged such that a continuously variable transmission is sandwiched therebetween.

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