Gas turbine engine case for clearance control

United States of America Patent

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May 7, 2013
Grant Date
Feb 26, 2009
app pub date
Aug 22, 2007
filing date
Aug 22, 2007

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Abstract

A gas turbine engine includes an active clearance control (ACC) system within the engine casing. The case includes a wall structure with a cast-in cooling configuration through Refractory Metal Core technology which is tailored to address traditional hot spots and improve discrete control of case growth.

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Patent Owner(s)

Patent Owner	Address
RTX CORPORATION	10 FARM SPRINGS ROAD FARMINGTON CT 06032

International Classification(s)

F03B:MACHINES OR ENGINES FOR LIQUIDS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Peroulakis, George N	West Suffield, US	1	49
Pinero, Hector M	Middletown, US	10	252

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Gas turbine engine case for clearance control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11843112

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PATENT NO	8434997
APP PUB NO	20090053041A1
SERIAL NO	11843112
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 07, 2013	US,8434997,B2 US8434997B2	GRANTED PATENT AS SECOND PUBLICATION
February 26, 2009	US,20090053041,A1 US20090053041A1	FIRST PUBLISHED PATENT APPLICATION

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11843112

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