Automatic transmission with add-on overdrive
An overdrive unit is described for use with an automatic transmission, the transmission having an extended output shaft extending rearwardly therefrom through the forward open end of an overdrive outer casing and aligned on the longitudinal axis thereof, the overdrive unit comprising: a planetary gear set concentrically disposed about the longitudinal axis and including a sun gear, an annulus gear and a carrier with fore and aft carrier rings supporting a plurality of planetary pinion gears in meshing engagement with the sun gear and the annulus gear, the aft carrier ring concentrically engaged with the transmission output shaft; and a one-way clutch including inner and outer concentrically disposed races with coupling means located therebetween, the one-way clutch positioned rearward of the aft carrier ring, the annulus gear having a rearwardly projecting portion surrounding a portion the outer race concentrically engaged therewith, the inner race concentrically engaged with the transmission output shaft and the outer race concentrically engaged with an overdrive output shaft disposed coaxial with the transmission output shaft.
- Assignee:
- Chrysler Motors Corp., Highland Park, MI
- Patent Number(s):
- US 4798103
- OSTI ID:
- 6051074
- Country of Publication:
- United States
- Language:
- English
Similar Records
Four speed ratio automatic power transmission
Geared-neutral continuously variable transmission