EP0321825A3 - Axially traversed row of rotor blades for compressors or turbines - Google Patents

Axially traversed row of rotor blades for compressors or turbines Download PDF

Info

Publication number
EP0321825A3
EP0321825A3 EP88120768A EP88120768A EP0321825A3 EP 0321825 A3 EP0321825 A3 EP 0321825A3 EP 88120768 A EP88120768 A EP 88120768A EP 88120768 A EP88120768 A EP 88120768A EP 0321825 A3 EP0321825 A3 EP 0321825A3
Authority
EP
European Patent Office
Prior art keywords
compressors
turbines
rotor blades
axially traversed
traversed row
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.)
Granted
Application number
EP88120768A
Other languages
German (de)
Other versions
EP0321825B1 (en
EP0321825A2 (en
Inventor
Gerd Luxenburger
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.)
MTU Aero Engines AG
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of EP0321825A2 publication Critical patent/EP0321825A2/en
Publication of EP0321825A3 publication Critical patent/EP0321825A3/en
Application granted granted Critical
Publication of EP0321825B1 publication Critical patent/EP0321825B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type

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)
  • Sliding-Contact Bearings (AREA)
EP88120768A 1987-12-19 1988-12-13 Axially traversed row of rotor blades for compressors or turbines Expired - Lifetime EP0321825B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873743253 DE3743253A1 (en) 1987-12-19 1987-12-19 AXIAL FLOWED BLADE BLADES FOR COMPRESSORS OR TURBINES
DE3743253 1987-12-19

Publications (3)

Publication Number Publication Date
EP0321825A2 EP0321825A2 (en) 1989-06-28
EP0321825A3 true EP0321825A3 (en) 1989-08-30
EP0321825B1 EP0321825B1 (en) 1992-12-16

Family

ID=6343084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120768A Expired - Lifetime EP0321825B1 (en) 1987-12-19 1988-12-13 Axially traversed row of rotor blades for compressors or turbines

Country Status (5)

Country Link
US (1) US4940389A (en)
EP (1) EP0321825B1 (en)
JP (1) JP3120849B2 (en)
DE (2) DE3743253A1 (en)
ES (1) ES2036662T3 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067877A (en) * 1990-09-11 1991-11-26 United Technologies Corporation Fan blade axial retention device
US5183389A (en) * 1992-01-30 1993-02-02 General Electric Company Anti-rock blade tang
DE4203656C2 (en) * 1992-02-08 2000-06-21 Abb Patent Gmbh Device for producing axial grooves on rotor disks of a turbine rotor
US5275536A (en) * 1992-04-24 1994-01-04 General Electric Company Positioning system and impact indicator for gas turbine engine fan blades
US5271718A (en) * 1992-08-11 1993-12-21 General Electric Company Lightweight platform blade
US5302086A (en) * 1992-08-18 1994-04-12 General Electric Company Apparatus for retaining rotor blades
US5281098A (en) * 1992-10-28 1994-01-25 General Electric Company Single ring blade retaining assembly
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
US7507075B2 (en) † 2005-08-15 2009-03-24 United Technologies Corporation Mistake proof identification feature for turbine blades
EP1916389A1 (en) * 2006-10-26 2008-04-30 Siemens Aktiengesellschaft Turbine blade assembly
JP2008144624A (en) * 2006-12-07 2008-06-26 Ihi Corp Turbine moving blade fixing structure
US20080273982A1 (en) * 2007-03-12 2008-11-06 Honeywell International, Inc. Blade attachment retention device
WO2009019126A1 (en) 2007-08-08 2009-02-12 Alstom Technology Ltd Rotor arrangement of a turbine
FR2939834B1 (en) * 2008-12-17 2016-02-19 Turbomeca TURBINE WHEEL WITH AXIAL RETENTION SYSTEM OF AUBES
DE102009007664A1 (en) 2009-02-05 2010-08-12 Mtu Aero Engines Gmbh Sealing device on the blade shank of a rotor stage of an axial flow machine
US9145772B2 (en) 2012-01-31 2015-09-29 United Technologies Corporation Compressor disk bleed air scallops
US10458257B2 (en) 2013-12-23 2019-10-29 Safran Aircraft Engines Blade comprising a shank, provided with a depressed portion
FR3015553B1 (en) * 2013-12-23 2019-05-31 Safran Aircraft Engines DAWN COMPRISING AN ECHASSE, PROVIDED WITH A SINGLE PORTION IN LOW PRESSURE
GB202114772D0 (en) * 2021-10-15 2021-12-01 Rolls Royce Plc Bladed disc
GB202114773D0 (en) 2021-10-15 2021-12-01 Rolls Royce Plc Bladed disc

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802871A (en) * 1954-09-10 1958-10-15 Henschel & Sohn Gmbh Improvements in turbine rotors for gas or steam turbines
US2972470A (en) * 1958-11-03 1961-02-21 Gen Motors Corp Turbine construction
GB2011551A (en) * 1977-12-27 1979-07-11 Gen Electric Segmented blade retainer
GB2042652A (en) * 1979-02-21 1980-09-24 Rolls Royce Joint Making Packing

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540433A (en) * 1954-08-12
FR1207772A (en) * 1957-07-18 1960-02-18 Rolls Royce Improvements to fluid machines with paddle rotors
DE1051286B (en) * 1958-06-02 1959-02-26 Her Majesty The Queen In The R Fuse for a blade held in an axial groove of a centrifugal machine
US3047268A (en) * 1960-03-14 1962-07-31 Stanley L Leavitt Blade retention device
GB1093568A (en) * 1965-11-23 1967-12-06 Rolls Royce Improvements in or relating to bladed rotors such as compressor rotors
US3378230A (en) * 1966-12-16 1968-04-16 Gen Electric Mounting of blades in turbomachine rotors
DE6601212U (en) * 1968-03-22 1969-02-27 Siemens Ag BLADE FASTENING FOR TURBO MACHINERY
GB1276100A (en) * 1968-12-16 1972-06-01 Rolls Royce Bladed member for a fluid flow machine
GB1268911A (en) * 1969-09-26 1972-03-29 Rolls Royce Improvements in or relating to blades
US3748060A (en) * 1971-09-14 1973-07-24 Westinghouse Electric Corp Sideplate for turbine blade
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
FR2358545A1 (en) * 1976-07-16 1978-02-10 Snecma Balancing for gas turbine compressor rotors - uses blade fixing grooves to secure balance weights before wiring in position
US4349318A (en) * 1980-01-04 1982-09-14 Avco Corporation Boltless blade retainer for a turbine wheel
JPS5726209A (en) * 1980-07-25 1982-02-12 Hitachi Ltd Turbine rotary blade dovetail
FR2507679A1 (en) * 1981-06-12 1982-12-17 Snecma DEVICE FOR LOCKING A TURBOMACHINE ROTOR BLADE
FR2524932A1 (en) * 1982-04-08 1983-10-14 Snecma DEVICE FOR AXIAL RETENTION OF BLADE FEET IN A TURBOMACHINE DISC
JPS59226202A (en) * 1983-06-06 1984-12-19 Toshiba Corp Moving blade of turbine
FR2585069B1 (en) * 1985-07-16 1989-06-09 Snecma DEVICE FOR LIMITING THE ANGULAR DEFLECTION OF BLADES MOUNTED ON A TURBOMACHINE ROTOR DISC
JPS6247703U (en) * 1985-09-13 1987-03-24

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802871A (en) * 1954-09-10 1958-10-15 Henschel & Sohn Gmbh Improvements in turbine rotors for gas or steam turbines
US2972470A (en) * 1958-11-03 1961-02-21 Gen Motors Corp Turbine construction
GB2011551A (en) * 1977-12-27 1979-07-11 Gen Electric Segmented blade retainer
GB2042652A (en) * 1979-02-21 1980-09-24 Rolls Royce Joint Making Packing

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 89 (M-132)[967], 27. Mai 1982; & JP-A-57 26 209 (HITACHI SEISAKUSHO K.K.) 12-02-1982 *
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 100 (M-376)[1823], 2. Mai 1985; & JP-A-59 226 202 (TOSHIBA K.K.) 19-12-1984 *

Also Published As

Publication number Publication date
ES2036662T3 (en) 1993-06-01
JPH01193005A (en) 1989-08-03
DE3876768D1 (en) 1993-01-28
DE3743253A1 (en) 1989-06-29
EP0321825B1 (en) 1992-12-16
DE3743253C2 (en) 1991-04-25
US4940389A (en) 1990-07-10
EP0321825A2 (en) 1989-06-28
JP3120849B2 (en) 2000-12-25

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