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IMPELLER SHROUD WITH SLIDABLE COUPLING FOR CLEARANCE CONTROL IN A CENTRIFUGAL COMPRESSOR

  • US 20170342996A1
  • Filed: 08/11/2016
  • Published: 11/30/2017
  • Est. Priority Date: 05/26/2016
  • Status: Active Grant
First Claim
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1. A compressor shroud assembly in a turbine engine having a dynamically moveable impeller shroud for encasing a rotatable centrifugal compressor and maintaining a clearance gap between the shroud and the rotatable centrifugal compressor, said assembly comprising:

  • a static compressor casing;

    an actuator mounted to said casing; and

    an impeller shroud slidably coupled at a forward end to said casing and mounted proximate an aft end to said actuator, said impeller shroud moving relative to the rotatable centrifugal compressor in an axial direction while substantially maintaining a radial alignment when said actuator is actuated.

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