GB785466A - Shroud ring construction for turbines and compressors - Google Patents

Shroud ring construction for turbines and compressors

Info

Publication number
GB785466A
GB785466A GB36510/54A GB3651054A GB785466A GB 785466 A GB785466 A GB 785466A GB 36510/54 A GB36510/54 A GB 36510/54A GB 3651054 A GB3651054 A GB 3651054A GB 785466 A GB785466 A GB 785466A
Authority
GB
United Kingdom
Prior art keywords
ring
segments
casing
segment
shroud ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB36510/54A
Inventor
Reginald Henry Doug Chamberlin
Jack Vallis Blyth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Napier Turbochargers Ltd
Original Assignee
D Napier and Son Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by D Napier and Son Ltd filed Critical D Napier and Son Ltd
Publication of GB785466A publication Critical patent/GB785466A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

785,466. Turbine and compressor stator casings. NAPIER & SONS, Ltd., D. Nov. 22, 1955 [Dec. 16, 1954], No. 36510/54. Classes 110 (1) and 110 (3). A shroud ring assembly for an axial-flow turbine or compressor comprises a tubular outer casing and an annular shroud ring disposed within the outer casing, the shroud ring comprising a series of separate, arcuate, circumferentiallyextending segments each of which is rigidly secured at one end only to the tubular outer casing and is supported at its other end from the fixed end of the next segment by means of a connection which permits limited free relative circumferential movement between the adjacent ends of the segments, but substantially prevents relative radial movement between the adjacent ends. The gas turbine shown comprises an outer tubular casing A, a ring of inlet nozzle guide vanes B, a row of rotor blades D mounted on a disc D<SP>1</SP>, a row of inter-stage guide vanes E and a further row of rotor blades F. The shroud ring assembly surrounding the rotor blades D comprises a number of arcuate shroud ring segments J each of trough shape having side walls Jl, J<SP>2</SP> and each having a boss J<SP>3</SP> at one end, a screwed bolt K passing through the outer casing A into a screwed bore J<SP>4</SP> in the boss whereby the end J<SP>3</SP> of the ring segment is rigidly fixed. The other end of the ring segment is formed with a step J<SP>6</SP> which co-operates with a step J<SP>5</SP> on the adjacent fixed end of the adjacent ring segment, whereby the free end of the ring segment is substantially located against radial movement but is permitted limited circumferential movement. A baffle member L is disposed within the trough of each ring segment and cooling air supplied through the guide vanes B to the space H is.caused by the baffle to flow adjacent the inner wall of each ring segment finally escaping through openings M into the working fluid stream. In a second embodiment the adjacent ends of the shroud ring segments are formed with axially-extending grooves instead of with interengaging step formations, and relative radial movement between the ends is prevented by means of a key engaging the two grooves. The sides J<SP>1</SP>, J<SP>2</SP> of the ring segments J are located between a flange A<SP>2</SP> on a ring rigid with the casing A, and a ring A<SP>4</SP> also rigid with the casing A.
GB36510/54A 1954-12-16 1954-12-16 Shroud ring construction for turbines and compressors Expired GB785466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB345766X 1954-12-16

Publications (1)

Publication Number Publication Date
GB785466A true GB785466A (en) 1957-10-30

Family

ID=10367346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36510/54A Expired GB785466A (en) 1954-12-16 1954-12-16 Shroud ring construction for turbines and compressors

Country Status (7)

Country Link
US (1) US2863634A (en)
BE (1) BE543709A (en)
CH (1) CH345766A (en)
DE (1) DE1080119B (en)
FR (1) FR1138118A (en)
GB (1) GB785466A (en)
NL (2) NL103792C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482662A1 (en) * 1980-05-16 1981-11-20 Mtu Muenchen Gmbh EXTERNAL HOUSING FOR AXIAL COMPRESSOR OR AXIAL TURBINE OF A FLUIDIC MACHINE
GB2228539A (en) * 1989-02-23 1990-08-29 United Technologies Corp Stator assembly for a rotary machine
GB2358674A (en) * 2000-01-05 2001-08-01 Ventilatoren Sirocco Howden Bv Fan casing segment for a ventilating fan
US10215192B2 (en) 2014-07-24 2019-02-26 Siemens Aktiengesellschaft Stator vane system usable within a gas turbine engine

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286810B (en) * 1963-11-19 1969-01-09 Licentia Gmbh Rotor blade radial gap cover ring of an axial turbine machine, in particular a gas turbine
CH425341A (en) * 1965-07-23 1966-11-30 Bbc Brown Boveri & Cie Gas turbine with cooling of the blade carriers
US3391904A (en) * 1966-11-02 1968-07-09 United Aircraft Corp Optimum response tip seal
US3520635A (en) * 1968-11-04 1970-07-14 Avco Corp Turbomachine shroud assembly
US3689174A (en) * 1971-01-11 1972-09-05 Westinghouse Electric Corp Axial flow turbine structure
BE792224A (en) * 1971-12-01 1973-03-30 Penny Robert N LONG COMPOSITE ELEMENT WITH A PREDETERMINED EFFECTIVE LINEAR EXPANSION COEFFICIENT
GB1335145A (en) * 1972-01-12 1973-10-24 Rolls Royce Turbine casing for a gas turbine engine
US3807891A (en) * 1972-09-15 1974-04-30 United Aircraft Corp Thermal response turbine shroud
US3986720A (en) * 1975-04-14 1976-10-19 General Electric Company Turbine shroud structure
US3981609A (en) * 1975-06-02 1976-09-21 United Technologies Corporation Coolable blade tip shroud
US4013376A (en) * 1975-06-02 1977-03-22 United Technologies Corporation Coolable blade tip shroud
EP0013629B1 (en) * 1979-01-15 1983-05-25 Carding Specialists (Canada) Limited Gas compressor or blower
GB2047354B (en) * 1979-04-26 1983-03-30 Rolls Royce Gas turbine engines
FR2455674A1 (en) * 1979-05-02 1980-11-28 Snecma SEALING DEVICE BETWEEN TWO TURBOMACHINE ELEMENTS
US4355952A (en) * 1979-06-29 1982-10-26 Westinghouse Electric Corp. Combustion turbine vane assembly
JPS59167919U (en) * 1983-04-27 1984-11-10 カルソニックカンセイ株式会社 fan shroud
GB2239678B (en) * 1989-12-08 1993-03-03 Rolls Royce Plc Gas turbine engine blade shroud assembly
US5131811A (en) * 1990-09-12 1992-07-21 United Technologies Corporation Fastener mounting for multi-stage compressor
US5180281A (en) * 1990-09-12 1993-01-19 United Technologies Corporation Case tying means for gas turbine engine
US5297932A (en) * 1990-09-12 1994-03-29 United Technologies Corporation Fastener for multi-stage compressor
US5158430A (en) * 1990-09-12 1992-10-27 United Technologies Corporation Segmented stator vane seal
US5221096A (en) * 1990-10-19 1993-06-22 Allied-Signal Inc. Stator and multiple piece seal
US5088888A (en) * 1990-12-03 1992-02-18 General Electric Company Shroud seal
US5823741A (en) * 1996-09-25 1998-10-20 General Electric Co. Cooling joint connection for abutting segments in a gas turbine engine
US6464453B2 (en) * 2000-12-04 2002-10-15 General Electric Company Turbine interstage sealing ring
FR2852053B1 (en) * 2003-03-06 2007-12-28 Snecma Moteurs HIGH PRESSURE TURBINE FOR TURBOMACHINE
US7063503B2 (en) * 2004-04-15 2006-06-20 Pratt & Whitney Canada Corp. Turbine shroud cooling system
RU2547351C2 (en) 2010-11-29 2015-04-10 Альстом Текнолоджи Лтд Axial gas turbine
WO2016064393A1 (en) * 2014-10-23 2016-04-28 Siemens Energy, Inc. Gas turbine engine with a turbine blade tip clearance control system
PL415534A1 (en) 2016-01-04 2017-07-17 General Electric Company System for the shield and partition unit of initial guide vanes
US20200072070A1 (en) * 2018-09-05 2020-03-05 United Technologies Corporation Unified boas support and vane platform

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE185427C (en) * 1904-11-17 1907-06-11
FR625938A (en) * 1926-03-24 1927-08-23 Rateau Sa Fixing device for dispensing nozzles for steam turbines
US2510606A (en) * 1943-05-22 1950-06-06 Lockheed Aircraft Corp Turbine construction
CH270334A (en) * 1945-01-16 1950-08-31 Power Jets Res & Dev Ltd Blade carrier in axial centrifugal machines.
GB597165A (en) * 1945-01-23 1948-01-20 Power Jets Res & Dev Ltd Improvements relating to the construction of stator elements of turbines, compressors or like machines
NL70901C (en) * 1945-01-23
GB618525A (en) * 1946-06-18 1949-02-23 Adrian Albert Lombard Improvements in or relating to gas-turbine engines
GB679916A (en) * 1949-04-29 1952-09-24 Geoffrey Bertram Robert Feilde Improvements in gas turbines
US2685429A (en) * 1950-01-31 1954-08-03 Gen Electric Dynamic sealing arrangement for turbomachines
GB721453A (en) * 1951-10-19 1955-01-05 Vickers Electrical Co Ltd Improvements relating to gas turbines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482662A1 (en) * 1980-05-16 1981-11-20 Mtu Muenchen Gmbh EXTERNAL HOUSING FOR AXIAL COMPRESSOR OR AXIAL TURBINE OF A FLUIDIC MACHINE
GB2228539A (en) * 1989-02-23 1990-08-29 United Technologies Corp Stator assembly for a rotary machine
GB2228539B (en) * 1989-02-23 1993-09-01 United Technologies Corp Casing for a rotary machine
GB2358674A (en) * 2000-01-05 2001-08-01 Ventilatoren Sirocco Howden Bv Fan casing segment for a ventilating fan
GB2358674B (en) * 2000-01-05 2004-02-18 Ventilatoren Sirocco Howden Bv A housing part for a ventilating fan
US10215192B2 (en) 2014-07-24 2019-02-26 Siemens Aktiengesellschaft Stator vane system usable within a gas turbine engine

Also Published As

Publication number Publication date
BE543709A (en)
US2863634A (en) 1958-12-09
DE1080119B (en) 1960-04-21
NL202529A (en)
CH345766A (en) 1960-04-15
FR1138118A (en) 1957-06-11
NL103792C (en)

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