Planet gear for air turbine starter system

Planet gear for air turbine starter system

  • CN 103,047,372 A
  • Filed: 10/12/2012
  • Published: 04/17/2013
  • Est. Priority Date: 10/12/2011
  • Status: Active Application
First Claim
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1. planetary pinion that is used for the air turbine starter, described planetary pinion comprises:

  • First portion, described first portion have the first set of gear teeth in the first axial positions, and have the axle that axially extends away from described the first set of gear teeth;

    Second portion, described second portion are an interference fit in the described first portion, and described second portion has the second set of gear teeth, and described second portion is installed on the described axle of described first portion;

    AndThe external diameter of described first portion at described axle place is selected to remarkable internal diameter greater than the cylindrical portion that is an interference fit in the described second portion on the described axle, and the ratio of the described peripheral diameter of described first portion and the described internal diameter of described second portion is between 1.0005 and 1.0100.

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