Testing method of air turbine starter and air inlet device

Testing method of air turbine starter and air inlet device

  • CN 105,258,950 B
  • Filed: 11/27/2015
  • Issued: 03/17/2020
  • Est. Priority Date: 11/27/2015
  • Status: Active Grant
First Claim
Patent Images

1. The utility model provides an air inlet unit, its characterized in that includes main line and pressure regulating pipeline, the end intercommunication in the inlet end of the air turbine starter (5) of awaiting measuring of giving vent to anger of main line, the inlet end of main line with the inlet end intercommunication of pressure regulating pipeline, the main line with the opposite linkage of the on-off state of pressure regulating pipeline, air inlet unit still includes:

  • the flow area adjusting device is arranged on the pressure regulating pipeline and used for adjusting the flow area of the pressure regulating pipeline to be the same as the throat area of a turbine guider of the air turbine starter (5);

    the first linkage valve (1) is arranged on the main pipeline; and

    the second linkage valve (2) is arranged on the pressure regulating pipeline;

    the opening and closing states of the first linkage valve (1) and the second linkage valve (2) are in opposite linkage, and the first linkage valve and the second linkage valve are used for linkage adjustment of the opening and closing states of the main pipeline and the pressure regulating pipeline.

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