Six speed automatic transmission for automotive vehicles

Details Six speed automatic transmission for automotive vehicles Six speed automatic transmission for automotive vehicles

1995-09-27

1997-02-04

Ta, Khoi Q.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475279, 475276, 475280, F16H 366, F16H 4708

Patent

active

055992510

ABSTRACT:
An automatic transmission for an automotive vehicle includes multiple planetary gear units, each including a sun gear, a ring gear surrounding the sun gear, a set of planet pinions continually engaged with the sun gear and ring gear, and a planet carrier rotatably supporting the planet pinions. Various brakes selectively hold elements of the gear units against rotation and several clutches releasably interconnect elements of the, gear units. A torque converter is adapted to produce a hydrokinetic drive connection between the crankshaft of an engine and the input shaft of the transmission, or to mechanically connect those components when a bypass clutch of the torque converter is engaged. Various elements of the planetary gear units are permanently driveably connected mutually.

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