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CA1158563A - Garniture de bache a rainures sur circonference - Google Patents

Garniture de bache a rainures sur circonference

Info

Publication number
CA1158563A
CA1158563A CA000387536A CA387536A CA1158563A CA 1158563 A CA1158563 A CA 1158563A CA 000387536 A CA000387536 A CA 000387536A CA 387536 A CA387536 A CA 387536A CA 1158563 A CA1158563 A CA 1158563A
Authority
CA
Canada
Prior art keywords
grooves
blade
shroud
rotor
angle
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
CA000387536A
Other languages
English (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
Application granted granted Critical
Publication of CA1158563A publication Critical patent/CA1158563A/fr
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)
CA000387536A 1981-01-27 1981-10-08 Garniture de bache a rainures sur circonference Expired CA1158563A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/228,889 US4466772A (en) 1977-07-14 1981-01-27 Circumferentially grooved shroud liner
US228,889 1981-01-27

Publications (1)

Publication Number Publication Date
CA1158563A true CA1158563A (fr) 1983-12-13

Family

ID=22858956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000387536A Expired CA1158563A (fr) 1981-01-27 1981-10-08 Garniture de bache a rainures sur circonference

Country Status (3)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558900B1 (fr) * 1984-02-01 1988-05-27 Snecma Dispositif d'etancheite peripherique d'aubage de compresseur axial
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 (de) * 2007-11-08 2009-05-14 Mtu Aero Engines Gmbh Gasturbinenbauteil, insbesondere Flugtriebwerksbauteil bzw. Verdichterbauteil
GB2483060B (en) 2010-08-23 2013-05-15 Rolls Royce Plc A turbomachine casing assembly
DE102012106090A1 (de) * 2012-07-06 2014-01-09 Ihi Charging Systems International Gmbh Turbine und Turbine für einen Abgasturbolader
EP2971547B1 (fr) * 2013-03-12 2020-01-01 United Technologies Corporation Stator en porte-à-faux comportant une caractéristique de déclenchement de tourbillon
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 (de) * 1955-08-18 1959-05-21 Stroemungsmasch Anst Feststehender Laufradkranz fuer Gasturbinen
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
FR2498679A2 (fr) 1982-07-30
GB2092681A (en) 1982-08-18
GB2092681B (en) 1984-03-21
FR2498679B2 (fr) 1985-12-06

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Legal Events

Date Code Title Description
MKEX Expiry