Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Reexamination Certificate
2007-08-23
2011-11-01
Edgar, Richard (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between blade edge and static part
C415S173400
Reexamination Certificate
active
08047773
ABSTRACT:
A support apparatus for a gas turbine shroud is disclosed. The apparatus includes an outer shroud block having a coupling connectable to a casing of the gas turbine and a shroud component having a forward flange and an aft flange. The shroud component is attached to the outer shroud block via the forward flange and the aft flange. The apparatus further includes a damper disposed between the outer shroud block and the shroud component and a biasing element disposed within the outer shroud block. A translational degree of freedom between the damper and the outer shroud block defines a direction of motion of the damper. The biasing element is in operable connection between the outer shroud block and the shroud component via the damper, a bias force of the biasing element directed along the direction of motion of the damper.
REFERENCES:
patent: 7238002 (2007-07-01), Cairo et al.
patent: 2007/0098546 (2007-05-01), Cairo et al.
patent: 2007/0280820 (2007-12-01), Roberts et al.
patent: 2008/0081109 (2008-04-01), Johnson et al.
U.S. Appl. No. 11/537,278, “Method for Applying and Dimensioning an Abradable Coating”, filed Sep. 29, 2006 by Curtis Alan Johnson et al.
U.S. Appl. No. 11/537,238, “Porous Abradable Coating and Method for Applying the Same”, filed Sep. 29, 2006 by Curtis Alan Johnson et al.
U.S. Appl. No. 11/443,723, “Methods and Apparatus for Assembling Turbine Engines”, filed May 31, 2006 by Herbert Chidsey Roberts, Ill, et al.
Bruce Kevin Leon
Cairo Ronald Ralph
Corman Gregory Scot
Johnson Curtis Alan
Nimmer Ronald Phillip
Cantor & Colburn LLP
Edgar Richard
General Electric Company
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