System for Identifying Position of Locking Differential
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United States of America Patent
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Issued Date -
May 1, 2008
app pub date -
Sep 16, 2005
filing date -
Sep 17, 2004
priority date (Note) -
Abandoned
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Abstract
The application aims at determining the locked or unlocked state of a differential (10). According to a first aspect, the determination is carried out on basis of a speed difference of output shafts (16, 18) using speed sensors (36, 38). Steering angle may be used as further input. In a second aspect, a sensing system (70) senses actuating pressure, voltage or current of an actuating mechanism (44). In a third aspect, the first and second aspects can be combined.
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