Turbine engine stator including shape memory alloy and...

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part

Reexamination Certificate

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C415S173600, C415S174100, C415S174200, C415S175000

Reexamination Certificate

active

07367776

ABSTRACT:
A turbine engine stator assembly in juxtaposition across a radial gap with a rotary blading assembly includes a radially movable shroud and a gap control member made of at least one shape memory alloy (SMA). The SMA is selected and preconditioned to deform pre-selected amounts to change the radial length of the gap during engine operation responsive to temperature about the SMA. A fluid flow means delivers fluid to the SMA at pre-selected temperatures during engine operation.

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patent: 6135713 (2000-10-01), Domzalski et al.
patent: 6220550 (2001-04-01), McKillip, Jr.
patent: 6318070 (2001-11-01), Rey et al.
patent: 6367253 (2002-04-01), Kutlucinar
patent: 6543992 (2003-04-01), Webster
patent: 7052017 (2006-05-01), Uchida et al.
patent: 2354290 (2001-03-01), None
patent: 57195803 (1982-12-01), None
patent: 58206807 (1983-12-01), None
patent: 59018208 (1984-01-01), None

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