Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1978-01-30
1981-09-15
Dorner, Kenneth J.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74606R, F16H 3708, F16H 5702
Patent
active
042890454
ABSTRACT:
A transmission unit for coupling the engine of a motor vehicle to either a manual-shift gearbox or an automatic gearbox includes a differential having a crown gear, pinions for coupling the crown gear to the output shaft of the gearbox and a housing for enclosing the differential, the pinions, and either a mechanical clutch or a torque converter. The housing has a first coupling face portion for attaching the transmission unit to an engine, a second coupling face portion for attaching the transmission unit to a manual-shift gearbox or to an automatic gearbox, and bearings supported to engage the pinion and the input and output shafts of the engine, the gearbox and the differential, with the gearbox of either shafts in substantially the same position relative to the housing. The housing can be a one-piece construction or a two-piece construction. A bearing support housing can be utilized with the main housing when coupling the transmission unit to an automatic gearbox. The pinions can include a two-part pinion with different sets of teeth. Bearing members can mount the pinions on shafts of the housing and might include tapered roller bearings, needle bearings, ball bearings, cylindrical roller bearings, or a combination of these.
REFERENCES:
patent: 2038326 (1936-04-01), Wagner
patent: 3550474 (1970-12-01), Maurice et al.
patent: 3636795 (1972-01-01), Maurice et al.
patent: 3703107 (1972-11-01), Piret
patent: 4056988 (1977-11-01), Kubo et al.
patent: 4095487 (1978-06-01), Cartwright et al.
patent: 4174644 (1979-11-01), Nagy et al.
Dorner Kenneth J.
Regie Nationale des Usines Renault
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