Fan blade tip clearance control via Z-bands

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United States of America Patent

PATENT NO 8985938
APP PUB NO 20130149098A1
SERIAL NO

13324143

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Abstract

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An engine has a blade, a casing surrounding the blade, an seal ring, and a passive system for connecting the seal ring to the casing and for accommodating thermal expansion of the seal ring relative to the casing so as to maintain blade tip clearance control. The passive system may include at least one, metallic Z-band extending between the casing and the seal ring.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Petty, Dale William Wallingford, US 15 114

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