Mid-turbine frame for gas turbine engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11549396
APP PUB NO 20210140344A1
SERIAL NO

16680559

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A mid-turbine frame (MTF) assembly having: an outer case circumferentially extending around a central axis; an outer ring secured to the outer case and disposed radially inwardly of the outer case relative to the central axis; an inner case structurally connected to the outer case and disposed radially inwardly of the outer ring relative to the central axis; a main plenum circumferentially extending around the central axis and located between the outer case and the outer ring, the main plenum having an inlet fluidly connectable to a source of cooling air, a first outlet fluidly connected to a secondary plenum between the main plenum and the inner case, a second outlet configured to be fluidly connected to a rotor cavity of the low-pressure turbine, and a third outlet configured to be fluidly connected to a plenum surrounding a containment ring of the low-pressure turbine.

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Patent Owner(s)

  • PRATT & WHITNEY CANADA CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Langevin, Eric Lery, CA 2 1
Lefebvre, Guy St.-Bruno-de-Montarville, CA 119 589
Pietrobon, John Outremont, CA 35 1070

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