GAS TURBINE ENGINE ACTIVE CLEARANCE CONTROL SYSTEM

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United States of America Patent

SERIAL NO

15221061

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Abstract

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A gas turbine engine includes a blade having a tip, a blade outer air seal operatively connected to a case assembly, and an active clearance control system disposed on the case assembly. The active control system includes an actuator assembly. The actuator assembly includes a motor assembly and a shaft. The shaft has a shaft body that extends between a first end that is operatively connected to the motor assembly and a second end that is operatively connected to the blade outer air seal.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON MN 06032

International Classification(s)

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  • 2016 Application Filing Year
  • F01D Class
  • 2676 Applications Filed
  • 2047 Patents Issued To-Date
  • 76.50 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McCaffrey, Michael G Windsor, US 219 2556

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Patent Citation Ranking

  • 2 Citation Count
  • F01D Class
  • 31.14 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges13727914531101 - 1011 - 2021 - 3031 - 4051 - 6061 - 70020406080100120140160180200220240260280300

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