Four speed offset automatic overdrive transmission with lockup i

Details Four speed offset automatic overdrive transmission with lockup i Four speed offset automatic overdrive transmission with lockup i

1980-05-12

1982-05-25

Braun, Leslie

Machine element or mechanism

Elements

Gear casings

74740, 74762, F16H 4708, F16H 3700, F16H 5710

Patent

active

043310443

ABSTRACT:
A transaxle driveline for a wheeled vehicle having an engine and gear system on a common axis that is transverse with respect to the center plane of the vehicle and having tandem driveshafts for the traction wheels, a differential gear mechanism mounted on a countershaft situated in parallel relationship with respect to the axis of the engine, the differential drive gearing being located between multiple ratio planetary gear elements of the driveline and a hydrokinetic torque converter and a compact clutch-and-brake arrangement for various ratios in the multiple ratio gear system within a transmission housing having a minimum axial dimension, the gearing being adapted to provide four forward driving ratios including an overdrive ratio and a direct drive ratio, the latter having three operating modes, one of which is fully mechanical, one of which is hydrokinetic and the third of which is characterized by a split torque delivery path that is partly hydrokinetic and partly mechanical.

REFERENCES:
patent: 3158040 (1964-11-01), Moore
patent: 3246541 (1966-04-01), General
patent: 3270585 (1966-09-01), Livezey
patent: 3300001 (1967-01-01), Stockton
patent: 3314307 (1967-04-01), Egbert
patent: 3446094 (1969-05-01), Ohno et al.
patent: 3446095 (1969-05-01), Bookout
patent: 3455185 (1969-07-01), Ohno et al.
patent: 3482469 (1969-12-01), Mori
patent: 3494223 (1970-02-01), Mori
patent: 3577805 (1971-05-01), Ohno et al.
patent: 3701623 (1972-10-01), Mori et al.
patent: 4224837 (1980-09-01), Croswhite

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