Seal runner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9896953
SERIAL NO

14570325

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A seal runner for a gas turbine engine, the seal runner including an annular body having a sealed cavity defined therein, the cavity being elongated along an axial direction of the body and being annular, the cavity at least partially filled with a coolant, the coolant being liquid across a range of operating temperatures of the gas turbine engine, the coolant having a temperature dependent density across the range of operating temperatures of the gas turbine engine. A gas turbine engine and a method of cooling a seal runner exposed to a temperature gradient are also discussed.

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Patent Owner(s)

  • PRATT & WHITNEY CANADA CORP.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caron, Jean-Francois Drummondville, CA 4 11
Huppe, Roger Chambly, CA 10 49

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