Method and device for reducing bump at curve

Method and device for reducing bump at curve

  • CN 101,570,283 A
  • Filed: 05/04/2008
  • Published: 11/04/2009
  • Est. Priority Date: 05/04/2008
  • Status: Active Application
First Claim
Patent Images

1. the method for a reducing bump at curve is characterized in that:

  • At the curve inner side of transmission pipeline, establish breather and be connected with negative-pressure air fan.

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