GB2092681B - Circumferentially grooved turbine shroud - Google Patents

Circumferentially grooved turbine shroud

Info

Publication number
GB2092681B
GB2092681B GB8133245A GB8133245A GB2092681B GB 2092681 B GB2092681 B GB 2092681B GB 8133245 A GB8133245 A GB 8133245A GB 8133245 A GB8133245 A GB 8133245A GB 2092681 B GB2092681 B GB 2092681B
Authority
GB
United Kingdom
Prior art keywords
turbine shroud
circumferentially grooved
grooved turbine
circumferentially
shroud
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
GB8133245A
Other versions
GB2092681A (en
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.)
Pratt and Whitney Canada Corp
Original Assignee
Pratt and Whitney Aircraft of Canada 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
Priority claimed from US06/228,889 external-priority patent/US4466772A/en
Application filed by Pratt and Whitney Aircraft of Canada Ltd filed Critical Pratt and Whitney Aircraft of Canada Ltd
Publication of GB2092681A publication Critical patent/GB2092681A/en
Application granted granted Critical
Publication of GB2092681B publication Critical patent/GB2092681B/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB8133245A 1981-01-27 1981-11-04 Circumferentially grooved turbine shroud Expired GB2092681B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/228,889 US4466772A (en) 1977-07-14 1981-01-27 Circumferentially grooved shroud liner

Publications (2)

Publication Number Publication Date
GB2092681A GB2092681A (en) 1982-08-18
GB2092681B true GB2092681B (en) 1984-03-21

Family

ID=22858956

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8133245A Expired GB2092681B (en) 1981-01-27 1981-11-04 Circumferentially grooved turbine shroud

Country Status (3)

Country Link
CA (1) CA1158563A (en)
FR (1) FR2498679B2 (en)
GB (1) GB2092681B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558900B1 (en) * 1984-02-01 1988-05-27 Snecma DEVICE FOR PERIPHERAL SEALING OF AXIAL COMPRESSOR BLADES
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
US6234747B1 (en) * 1999-11-15 2001-05-22 General Electric Company Rub resistant compressor stage
GB0600532D0 (en) * 2006-01-12 2006-02-22 Rolls Royce Plc A blade and rotor arrangement
DE102007053135A1 (en) * 2007-11-08 2009-05-14 Mtu Aero Engines Gmbh Gas turbine component, in particular aircraft engine component or compressor component
GB2483060B (en) 2010-08-23 2013-05-15 Rolls Royce Plc A turbomachine casing assembly
DE102012106090A1 (en) * 2012-07-06 2014-01-09 Ihi Charging Systems International Gmbh Turbine and turbine for a turbocharger
EP2971547B1 (en) * 2013-03-12 2020-01-01 United Technologies Corporation Cantilever stator with vortex initiation feature
US9249680B2 (en) * 2014-02-25 2016-02-02 Siemens Energy, Inc. Turbine abradable layer with asymmetric ridges or grooves

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057827B (en) * 1955-08-18 1959-05-21 Stroemungsmasch Anst Fixed impeller rim for gas turbines
US3580692A (en) * 1969-07-18 1971-05-25 United Aircraft Corp Seal construction
GB1533551A (en) * 1974-11-08 1978-11-29 Gen Electric Gas turbofan engines
GB2017228B (en) * 1977-07-14 1982-05-06 Pratt & Witney Aircraft Of Can Shroud for a turbine rotor

Also Published As

Publication number Publication date
CA1158563A (en) 1983-12-13
FR2498679B2 (en) 1985-12-06
FR2498679A2 (en) 1982-07-30
GB2092681A (en) 1982-08-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee