Turbine rotor blades with improved tip portion cooling holes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9879544
SERIAL NO

14055521

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A turbine rotor blade is provided for a turbine section of an engine. The turbine rotor blade includes a platform and an airfoil extending from the platform into a mainstream gas path of the turbine section. The airfoil includes a first side wall; a second side wall joined to the first side wall at a leading edge and a trailing edge; a tip cap extending between the first side wall and the second side wall; a first parapet wall extending from the first side wall; and a first cooling hole through the tip cap and the first parapet wall configured to deliver cooling air. The first cooling hole has a closed channel section and an open channel section. The open channel section forms a slot.

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Patent Owner(s)

Patent OwnerAddress
HONEYWELL INTERNATIONAL INC115 TABOR RD MORRIS PLAINS NJ 07950

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Malak, Malak Fouad Tempe, US 21 281
Morris, Mark C Phoenix, US 100 2076
Waldman, David Chandler, US 13 248

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Patent Citation Ranking

  • 3 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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