Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Reexamination Certificate
2005-11-22
2005-11-22
Verdier, Christopher (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between blade edge and static part
C415S173500, C415S173600, C415S178000, C415S209200, C415S209300
Reexamination Certificate
active
06966752
ABSTRACT:
A jacket ring for the low-pressure-turbine region of a gas turbine, having a plurality of lined-up segments which are arranged between a moving blade ring with a shroud band and the casing of the gas turbine, which carry a run-in lining and which hold guide blades in a positive-locking manner, wherein each segment comprises a hot-gas-side seal carrier and a casing-side securing element, the seal carrier and the securing element are at the greatest possible distance from one another and only have common contact points which are as small as possible, and the securing element is axially supported directly on the casing of the gas turbine.
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patent: 4867639 (1989-09-01), Strangman
patent: 4925365 (1990-05-01), Crozet et al.
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patent: 0 618 349 (1994-10-01), None
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patent: 0 974 734 (2000-01-01), None
Gieg Walter
Groess Helmut
Hain Klemens
Crowell & Moring LLP
MTU Aero Engines GmbH
Verdier Christopher
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