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Irwin; James M.
Rochester Hills, MI
No. of patents:

Patent Number Title Of Patent Date Issued
5109721 Range shifting only fault tolerance method/system May 5, 1992
A shift control method/system for shifting an automated compound range type transmission (14) in only the auxiliary section (96) to provide a limp-home function if system faults adversely effecting continued main section (94) shifting are detected is provided.
4916979 On-grade shift logic with provision for skip downshifts April 17, 1990
An improved control system and method for an automatic/semi-automatic transmission system (10) including an automatic change gear transmission (12) driven by a throttle (26) controlled engine (14) is provided. The control system includes a processing unit (42) for receiving inputs in

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