Compact power transfer unit

Details Compact power transfer unit Compact power transfer unit

2006-11-28

2006-11-28

Ridley, Richard (Department: 3682)

Machine element or mechanism

Gearing

Directly cooperating gears

C074S60600R, C074S420000

Reexamination Certificate

active

07140268

ABSTRACT:
A motor vehicle power transfer unit includes an input portion, an output portion, a non-parallel gear set and a parallel gear set. The input portion is adapted to connect to an output portion of a transmission assembly and the output portion is adapted to connect to an input portion of a rear wheel drive line. The parallel gear set is coupled to the input portion and transfers power to the non-parallel gear set, which is coupled to the output portion. The non-parallel gear set includes a ring gear having a front face with gear teeth formed therein and a rear face having a cavity formed therein. The ring gear is supported within the power transfer unit by a bearing mounted within the cavity.

REFERENCES:
patent: 2392313 (1946-01-01), Dahlstrand
patent: 3708857 (1973-01-01), Pfeiffer
patent: 5950502 (1999-09-01), Genovese
patent: 5953964 (1999-09-01), Cognigni et al.
patent: 2003/0029041 (2003-02-01), Bendtsen
patent: 2004/0226766 (2004-11-01), Cook et al.
Wikipedia, the free encyclopedia. Idler Gear. http://en.wikipedia.org/wiki/Gear—ratio#Idler—Gears.

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