Torodial traction transmission for all wheel vehicles

Details Torodial traction transmission for all wheel vehicles Torodial traction transmission for all wheel vehicles

1998-02-02

1999-10-19

Bonck, Rodney H.

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is friction gearing

475207, 475210, 180247, F16H 3702

Patent

active

059679310

ABSTRACT:
An automatic transmissions for an automotive vehicle includes a variator of the traction drive type, the variator including two input discs, two output discs, and rollers driveably engaged with the discs and adapted to vary continuously the ratio of the speeds of the output discs and input discs. Each of two planetary gearsets includes a carrier driven by an engine and driveably connected to an input disc, a sun gear driven by an output disc, and a sun gear connected to one of two driveshafts, which drive the front and rear wheels, respectively, of a motor vehicle. Independent angular variation of the rollers causes the variator to drive the forward drive sun gear and rear drive sun gear at different, variable speeds.

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