Differential gear

Details Differential gear Differential gear

2011-06-07

2011-06-07

Pang, Roger (Department: 3655)

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Variable speed or direction is planetary transmission

C475S225000, C475S323000, C475S339000

Reexamination Certificate

active

07955209

ABSTRACT:
A differential gear having first and second driven shafts connected with a drive cage via a planetary or differential gear and a stationary gear housing. An intermediate gear with a planetary unit is provided with the first driven shaft, wherein the planetary unit includes a planetary wheel support and a planetary wheel pair having a first planetary wheel and a second planetary wheel. The first and second planetary wheels having different effective diameters, wherein the planetary wheel pair is arranged on planetary wheel pair shafts. A first sun wheel engaged with the first planetary wheel and a second sun wheel arranged coaxially with the first sun wheel. A brake device including a braking force applicator and a braking torque that brakes the planetary unit with respect to the stationary gear housing, and wherein the planetary unit includes active surfaces for introducing the breaking torque into the planetary unit.

REFERENCES:
patent: 5080640 (1992-01-01), Botterill
patent: 6056660 (2000-05-01), Mimura
patent: 6120407 (2000-09-01), Mimura
patent: 6951522 (2005-10-01), Baxter et al.
patent: 2006/0172847 (2006-08-01), Gradu
patent: 2 864 190 (2005-06-01), None
patent: 11 315905 (1999-11-01), None

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