Multiple ratio transmission

U.S. Patent Number: 5385066

Abstract: A multiple ratio transmission includes an auxiliary countershaft assembly including a auxiliary countershaft, a first auxiliary countershaft gear fixed for rotation on the auxiliary countershaft and constantly meshed with an output shaft range gear, and a second auxiliary countershaft gear rotationally fixed to the auxiliary countershaft and constantly meshed with an intermediate shaft output gear for coupling either the intermediate shaft or main countershaft of a main transmission section thereby allowing fewer gears to be utilized to achieve a desired number of speed ratios.

Inventors: Braun; Eugene R. (Royal Oak, MI)

Assignee: Eaton Corporation (Cleveland, OH)

Application Number: 08/086,149

Issued: 1995-01-31

Expired: 2007-01-31

Classes: 74/331 ; 74/745

Field of search: 74/331,335,745

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