Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 26, 2009
Patent Application Number
10579669
Date Filed
November 18, 2004
Patent Primary Examiner
Patent abstract
The transmission device (1) comprises two power paths (8a, 8b) mounted in parallel, permanently connected to the upper shaft (2) of the engine (3) and the lower shaft (4) to control the differential (6). In each path (8a, 8b), each gear ratio Ia, IIa, IIIa or Ib, IIb, IIIb is obtained by activating a single activator capable of adapting the rotating speed between the two shafts 2 and 4 during gear ratio changes.
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