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Torsen automatically locking differential

The original Torsen T-1 (Type A) uses crossed axis helical gears to increase internal friction. The Type I can be designed for higher torque bias ratios than the Type II, but typically has higher backlash and the potential for Noise, Vibration, and Harshness (NVH) issues, and requires a precise setup/installation.

The later Torsen T-2 (Type B) uses a parallel gear arrangement to achieve a similar effect. There is also a specialist application of the T-2, known as the T-2R (RaceMaster).

The latest Torsen T-3 (Type C) is a planetary type differential, in that the nominal torque split is not 50:50. The Type C is available as single or twin version; the Torsen twin C differential has front and center differential in the same unit.

(Source: Wikipedia)

Figure: Torsen type II automatically locking differential

Figure: Audi's Torsen center differential (6)

Figure: Torsen type II (left) and Torsen type I

Figure: Torsen type III planetary gear differential

Read more:

http://en.wikipedia.org/wiki/Torsen

An introduction to the function of Gleason's TORSEN differential including discussions of its major characteristics, design flexibilities, and effects on vehicle performance - pdf, 443KB

Torsen Type III

Torsen U.S. application chart

Last updated: 08-Apr-2010 17:42

There are 2 comments

allrad

December 08, 2009 - 20:06

Subject: brilliant video - must watch!!!

anyone watching this video have to understand function of Torsen diff!!! ---> www.youtube.com

Reply to allrad

George

December 28, 2009 - 01:13

Subject: Re: brilliant video - must watch!!!

Better video of torque sensitive differential.
www.youtube.com

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