Stationary ring assembly for a gas turbine

Details Stationary ring assembly for a gas turbine Stationary ring assembly for a gas turbine

2007-04-10

2007-04-10

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C415S139000, C277S641000

Reexamination Certificate

active

11110885

ABSTRACT:
A stationary ring assembly forming a rotor shroud for a gas turbine including a plurality of segments having adjacent side faces that are placed end to end with sealing means interposed therebetween. The sealing means include at least one axial sealing strip and at least one radial sealing strip respectively received in axial slots and in radial slots formed facing one another in the adjacent side faces of the segments. At least one end of each radial slot opens out into the corresponding axial slot, each axial slot of a segment presents a depth that is greater than the depth of the corresponding radial slot, and the axial sealing strip presents a width that is greater than the width of the radial strip.

REFERENCES:
patent: 4524980 (1985-06-01), Lillibridge et al.
patent: 5154577 (1992-10-01), Kellock et al.
patent: 5709530 (1998-01-01), Cahill et al.
patent: 2004/0141838 (2004-07-01), Thompson
patent: 2005/0232752 (2005-10-01), Meisels
patent: 0 147 354 (1985-07-01), None
patent: 0 545 589 (1993-06-01), None
French Search Report No. FR 0404737 FA 650562, dated Jan. 3, 2005, 2 pages.

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