FR2498679B2 - CIRCUMFERENTIALLY GROOVED TURBINE HOUSING - Google Patents

CIRCUMFERENTIALLY GROOVED TURBINE HOUSING

Info

Publication number
FR2498679B2
FR2498679B2 FR8200755A FR8200755A FR2498679B2 FR 2498679 B2 FR2498679 B2 FR 2498679B2 FR 8200755 A FR8200755 A FR 8200755A FR 8200755 A FR8200755 A FR 8200755A FR 2498679 B2 FR2498679 B2 FR 2498679B2
Authority
FR
France
Prior art keywords
turbine housing
circumferentially grooved
grooved turbine
circumferentially
housing
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
FR8200755A
Other languages
French (fr)
Other versions
FR2498679A2 (en
Inventor
Ulo Okapuu
Kiritkumar V Patel
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 FR2498679A2 publication Critical patent/FR2498679A2/en
Application granted granted Critical
Publication of FR2498679B2 publication Critical patent/FR2498679B2/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)
FR8200755A 1981-01-27 1982-01-19 CIRCUMFERENTIALLY GROOVED TURBINE HOUSING Expired FR2498679B2 (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
FR2498679A2 FR2498679A2 (en) 1982-07-30
FR2498679B2 true FR2498679B2 (en) 1985-12-06

Family

ID=22858956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200755A Expired FR2498679B2 (en) 1981-01-27 1982-01-19 CIRCUMFERENTIALLY GROOVED TURBINE HOUSING

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
US10240471B2 (en) * 2013-03-12 2019-03-26 United Technologies Corporation Serrated outer surface for vortex initiation within the compressor stage of a gas turbine
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
GB2092681B (en) 1984-03-21
CA1158563A (en) 1983-12-13
FR2498679A2 (en) 1982-07-30
GB2092681A (en) 1982-08-18

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