Method for power-driven speed changing

Method for power-driven speed changing

  • CN 102,102,739 A
  • Filed: 12/17/2010
  • Published: 06/22/2011
  • Est. Priority Date: 12/17/2010
  • Status: Active Application
First Claim
Patent Images

1. the method for an electric shift, it is characterized in that:

  • carrier wheel can slide on spool gear A and intermesh, when carrier wheel A slides, mesh one group of speed change gear (78) earlier, along with the certain distance that moves to of carrier wheel on spool gear, leave that original group speed change gear group, mesh another group speed change gear again, so analogize, engageable two groups of above speed change gear groups, distance between per two groups of speed change gears is slightly larger than carrier wheel

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