GB1186240A - Improvements in Blades for Fluid Flow Machines. - Google Patents

Improvements in Blades for Fluid Flow Machines.

Info

Publication number
GB1186240A
GB1186240A GB58478/67A GB5847867A GB1186240A GB 1186240 A GB1186240 A GB 1186240A GB 58478/67 A GB58478/67 A GB 58478/67A GB 5847867 A GB5847867 A GB 5847867A GB 1186240 A GB1186240 A GB 1186240A
Authority
GB
United Kingdom
Prior art keywords
bridge
blade
blades
shroud
chromium
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
GB58478/67A
Other languages
English (en)
Inventor
Michael Hargreaves Beanland
Michael Anthony Wilson
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB58478/67A priority Critical patent/GB1186240A/en
Priority to US783632A priority patent/US3576377A/en
Priority to DE19681816066 priority patent/DE1816066B2/de
Priority to FR1598028D priority patent/FR1598028A/fr
Publication of GB1186240A publication Critical patent/GB1186240A/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB58478/67A 1967-12-22 1967-12-22 Improvements in Blades for Fluid Flow Machines. Expired GB1186240A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB58478/67A GB1186240A (en) 1967-12-22 1967-12-22 Improvements in Blades for Fluid Flow Machines.
US783632A US3576377A (en) 1967-12-22 1968-12-13 Blades for fluid flow machines
DE19681816066 DE1816066B2 (de) 1967-12-22 1968-12-20 Laufschaufel für Strömungsmaschinen
FR1598028D FR1598028A (enrdf_load_stackoverflow) 1967-12-22 1968-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB58478/67A GB1186240A (en) 1967-12-22 1967-12-22 Improvements in Blades for Fluid Flow Machines.

Publications (1)

Publication Number Publication Date
GB1186240A true GB1186240A (en) 1970-04-02

Family

ID=10481718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB58478/67A Expired GB1186240A (en) 1967-12-22 1967-12-22 Improvements in Blades for Fluid Flow Machines.

Country Status (4)

Country Link
US (1) US3576377A (enrdf_load_stackoverflow)
DE (1) DE1816066B2 (enrdf_load_stackoverflow)
FR (1) FR1598028A (enrdf_load_stackoverflow)
GB (1) GB1186240A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2564006A (en) * 2017-05-24 2019-01-02 Safran Aircraft Engines Removable anti-wear part for blade root

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419381A (en) * 1972-03-09 1975-12-31 Rolls Royce Fan for gas turbine engines
US4257741A (en) * 1978-11-02 1981-03-24 General Electric Company Turbine engine blade with airfoil projection
US4576551A (en) * 1982-06-17 1986-03-18 The Garrett Corporation Turbo machine blading
US4460316A (en) 1982-12-29 1984-07-17 Westinghouse Electric Corp. Blade group with pinned root
DE3413628C2 (de) * 1983-04-25 1996-09-19 Gen Electric Spaltdichtung für eine Dampfturbine
FR2552159B1 (fr) * 1983-09-21 1987-07-10 Snecma Dispositif de liaison et d'etancheite de secteurs d'aubes de stator de turbine
EP0214393B1 (de) * 1985-08-31 1989-12-13 BBC Brown Boveri AG Einrichtung zur Dämpfung von Schaufelschwingungen bei Turbomaschinen
US4815938A (en) * 1987-12-24 1989-03-28 Westinghouse Electric Corp. Shroud gap control for integral shrouded blades
GB2223276B (en) * 1988-09-30 1992-09-02 Rolls Royce Plc Turbine aerofoil blade
US5083903A (en) * 1990-07-31 1992-01-28 General Electric Company Shroud insert for turbomachinery blade
US5137426A (en) * 1990-08-06 1992-08-11 General Electric Company Blade shroud deformable protective coating
US5324168A (en) * 1993-05-13 1994-06-28 Eastman Kodak Company Use of stellite to prevent silver plateout
US6786698B2 (en) * 2002-12-19 2004-09-07 General Electric Company Steam turbine bucket flowpath
US7001152B2 (en) * 2003-10-09 2006-02-21 Pratt & Wiley Canada Corp. Shrouded turbine blades with locally increased contact faces
EP1591625A1 (en) * 2004-04-30 2005-11-02 ALSTOM Technology Ltd Gas turbine blade shroud
EP1767744A1 (de) * 2005-09-22 2007-03-28 Siemens Aktiengesellschaft Turbinenschaufeln mit Deckplatten, die mit einer aufgeschweissten Hartschicht versehen sind sowie Herstellungsverfahren
US8182228B2 (en) * 2007-08-16 2012-05-22 General Electric Company Turbine blade having midspan shroud with recessed wear pad and methods for manufacture
RU2010150602A (ru) * 2010-12-09 2012-06-20 Альстом Текнолоджи Лтд (Ch) Бандаж лопатки ротора
US20120195742A1 (en) * 2011-01-28 2012-08-02 Jain Sanjeev Kumar Turbine bucket for use in gas turbine engines and methods for fabricating the same
US9163519B2 (en) * 2011-07-28 2015-10-20 General Electric Company Cap for ceramic blade tip shroud
US8894368B2 (en) * 2012-01-04 2014-11-25 General Electric Company Device and method for aligning tip shrouds
CN103089322B (zh) * 2013-01-29 2015-04-22 杭州汽轮机股份有限公司 工业汽轮机高负荷短叶片的阻尼围带结构
US9683446B2 (en) 2013-03-07 2017-06-20 Rolls-Royce Energy Systems, Inc. Gas turbine engine shrouded blade
US10294801B2 (en) * 2017-07-25 2019-05-21 United Technologies Corporation Rotor blade having anti-wear surface
FR3086692B1 (fr) * 2018-09-28 2022-07-29 Safran Aircraft Engines Aube de turbomachine equipee d'une piece rapportee anti-usure
FR3111158B1 (fr) * 2020-06-04 2022-06-03 Safran Aircraft Engines Pièce amovible anti-usure pour talon d’aube
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1159965B (de) * 1961-08-10 1963-12-27 Bbc Brown Boveri & Cie Einrichtung zur Schwingungsdaempfung an einem Turbinen- oder Verdichter-Schaufelkranz
US3304056A (en) * 1965-03-19 1967-02-14 Hitachi Ltd Turbine blades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2564006A (en) * 2017-05-24 2019-01-02 Safran Aircraft Engines Removable anti-wear part for blade root
GB2564006B (en) * 2017-05-24 2022-02-16 Safran Aircraft Engines Removable anti-wear part for blade tip

Also Published As

Publication number Publication date
US3576377A (en) 1971-04-27
DE1816066A1 (de) 1969-08-07
FR1598028A (enrdf_load_stackoverflow) 1970-06-29
DE1816066B2 (de) 1970-11-05

Similar Documents

Publication Publication Date Title
GB1186240A (en) Improvements in Blades for Fluid Flow Machines.
GB1008526A (en) Axial flow bladed rotor, e.g. for a turbine
EP2505780B1 (de) Schaufelanordnung für eine Turbomaschine
SE8008320L (sv) Flektrotorblad hos turboflektmotorer
GB1385968A (en) Support structures for turbo-machine blades
GB1272200A (en) Axial-flow turbomachine rotors
DE3926502A1 (de) Mantelring fuer die niederdruckstufe eines verdichters
GB1268202A (en) Composite blade for an elastic fluid flow machine
US3002675A (en) Blade elements for turbo machines
GB1081458A (en) Blade assembly for a fluid flow machine such as a gas turbine engine
US2846137A (en) Construction for axial-flow turbomachinery
GB1408491A (en) Composite turbomachinery blade root configuration
GB685939A (en) Improvements in or relating to gas-turbine engine structures
GB791751A (en) Improvements in or relating to blades for axial flow gas turbine engines, and to methods of making such blades
GB2046849A (en) Turbomachine strut
KR930021928A (ko) 축류 터빈
GB1087514A (en) Arrangement for damping vibration of steam-turbine blades
US2394124A (en) Bladed body
GB879981A (en) Improvements in and relating to hollow turbine blades
GB712523A (en) Improvements in or relating to guide vane assemblies in annular fluid ducts
GB1151937A (en) Bladed Rotors for Fluid Flow Machines
GB731456A (en) Improvements in or relating to bladed rotors of axial-flow machines and blade elements therefor
GB710938A (en) Improvements in or relating to rotor blades for axial-flow fluid machines
GB1067169A (en) Improvements in or relating to blade cascades for turbo-machines
JPS5566602A (en) Impeller of turbo machine

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PLE Entries relating assignments, transmissions, licences in the register of patents