US Patent No: 4,759,687

Number of patents in Portfolio can not be more than 2000

Turbine ring incorporating elements of a ceramic composition divided into sectors

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Importance

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Abstract

A turbine ring comprises an annular support in two parts and a ring of ceramic sectors for sealing purposes. The two parts of the support are interconnected by an axial groove and a sliding male part. Each part comprises an axial annular groove in which is engaged a respective axial edge portion of each sector. The cooperating internal radial faces respectively of the edge portion and of the groove are circumferential, while the radially outer radial face of each sector comprises at least one flat zone. The corresponding face of each groove may be polygonal.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SNECMAPARIS1812

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miraucourt, Carmen Brie Comte-Robert, FR 10 92
Ritt, Remy P C Vaux le Penil, FR 3 66

Cited Art

Patent Info (Count) # Cites Year
 
UNITED TECHNOLOGIES CORPORATION (2)
4,337,016 Dual wall seal means 29 1979
4,643,638 Stator structure for supporting an outer air seal in a gas turbine engine 13 1983

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
UNITED TECHNOLOGIES CORPORATION (10)
5,333,992 Coolable outer air seal assembly for a gas turbine engine 14 1993
5,486,090 Turbine shroud segment with serpentine cooling channels 24 1994
5,439,348 Turbine shroud segment including a coating layer having varying thickness 18 1994
5,423,659 Shroud segment having a cut-back retaining hook 21 1994
5,538,393 Turbine shroud segment with serpentine cooling channels having a bend passage 22 1995
7,771,160 Ceramic shroud assembly 3 2006
7,665,960 Turbine shroud thermal distortion control 0 2006
8,167,546 Ceramic turbine shroud support 0 2009
8,092,160 Turbine shroud thermal distortion control 0 2009
8,328,505 Turbine shroud thermal distortion control 0 2011
 
GENERAL ELECTRIC COMPANY (9)
5,181,826 Attenuating shroud support 10 1990
5,167,487 Cooled shroud support 21 1991
5,320,486 Apparatus for positioning compressor liner segments 4 1993
6,113,349 Turbine assembly containing an inner shroud 19 1999
6,726,448 Ceramic turbine shroud 13 2002
7,117,983 Support apparatus and method for ceramic matrix composite turbine bucket shroud 8 2004
7,434,670 Support apparatus and method for ceramic matrix composite turbine bucket shroud 3 2006
8,096,755 Crowned rails for supporting arcuate components 0 2006
8,328,511 Prechorded turbine nozzle 0 2009
 
ROLLS-ROYCE PLC (2)
4,863,345 Turbine blade shroud structure 15 1988
5,137,421 Shroud rings 3 1990
 
SIEMENS ENERGY, INC. (2)
6,758,653 Ceramic matrix composite component for a gas turbine engine 32 2002
7,278,820 Ring seal system with reduced cooling requirements 9 2005
 
SOLAR TURBINES INCORPORATED (2)
5,449,272 Mounting apparatus for a nozzle guide vane assembly 2 1993
6,142,731 Low thermal expansion seal ring support 6 1997
 
ALSTOM (1)
6,406,256 Device and method for the controlled setting of the gap between the stator arrangement and rotor arrangement of a turbomachine 16 2000
 
ALSTOM TECHNOLOGY LTD (1)
6,726,391 Fastening and fixing device 1 2000
 
ROLLS-ROYCE ENERGY SYSTEMS INC. (1)
5,609,467 Floating interturbine duct assembly for high temperature power turbine 10 1995
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE (1)
5,062,767 Segmented composite inner shrouds 19 1990