DE102009011964A1 - Rotor für eine Strömungsmaschine - Google Patents

Rotor für eine Strömungsmaschine Download PDF

Info

Publication number
DE102009011964A1
DE102009011964A1 DE102009011964A DE102009011964A DE102009011964A1 DE 102009011964 A1 DE102009011964 A1 DE 102009011964A1 DE 102009011964 A DE102009011964 A DE 102009011964A DE 102009011964 A DE102009011964 A DE 102009011964A DE 102009011964 A1 DE102009011964 A1 DE 102009011964A1
Authority
DE
Germany
Prior art keywords
rotor
rotor according
damping element
blades
blade
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.)
Withdrawn
Application number
DE102009011964A
Other languages
German (de)
English (en)
Inventor
Frank Stiehler
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 Aero Engines 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 Aero Engines GmbH filed Critical MTU Aero Engines GmbH
Priority to DE102009011964A priority Critical patent/DE102009011964A1/de
Priority to PCT/DE2010/000220 priority patent/WO2010099781A2/fr
Priority to US13/202,010 priority patent/US20120057988A1/en
Priority to EP10713550A priority patent/EP2350459A2/fr
Publication of DE102009011964A1 publication Critical patent/DE102009011964A1/de
Withdrawn legal-status Critical Current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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE102009011964A 2009-03-05 2009-03-05 Rotor für eine Strömungsmaschine Withdrawn DE102009011964A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102009011964A DE102009011964A1 (de) 2009-03-05 2009-03-05 Rotor für eine Strömungsmaschine
PCT/DE2010/000220 WO2010099781A2 (fr) 2009-03-05 2010-02-27 Rotor pour turbomachine
US13/202,010 US20120057988A1 (en) 2009-03-05 2010-02-27 Rotor for a turbomachine
EP10713550A EP2350459A2 (fr) 2009-03-05 2010-02-27 Rotor pour turbomachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009011964A DE102009011964A1 (de) 2009-03-05 2009-03-05 Rotor für eine Strömungsmaschine

Publications (1)

Publication Number Publication Date
DE102009011964A1 true DE102009011964A1 (de) 2010-09-09

Family

ID=42538567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102009011964A Withdrawn DE102009011964A1 (de) 2009-03-05 2009-03-05 Rotor für eine Strömungsmaschine

Country Status (4)

Country Link
US (1) US20120057988A1 (fr)
EP (1) EP2350459A2 (fr)
DE (1) DE102009011964A1 (fr)
WO (1) WO2010099781A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054589B4 (de) 2010-10-20 2023-12-14 General Electric Company Rotationsmaschine mit Abstandhaltern zur Steuerung der Fluiddynamik

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2644833A1 (fr) 2012-03-26 2013-10-02 Alstom Technology Ltd Anneau de support
WO2014028056A1 (fr) 2012-08-17 2014-02-20 United Technologies Corporation Surface profilée de chemin d'écoulement
US10107127B2 (en) * 2014-07-31 2018-10-23 United Technologies Corporation Gas turbine engine with axial compressor having improved air sealing
US9810075B2 (en) 2015-03-20 2017-11-07 United Technologies Corporation Faceted turbine blade damper-seal
GB201506197D0 (en) 2015-04-13 2015-05-27 Rolls Royce Plc Rotor damper
GB201506196D0 (en) 2015-04-13 2015-05-27 Rolls Royce Plc Rotor damper

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007037208A1 (de) * 2007-08-07 2009-02-19 Mtu Aero Engines Gmbh Turbinenschaufel mit zumindest einer Einsatzhülse zum Kühlen der Turbinenschaufel
EP2075411A1 (fr) * 2007-12-28 2009-07-01 United Technologies Corporation Rotor aubagé intégral à moyeu rainuré et moteur à turbine à gaz comprenant un tel rotor

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791375A (fr) * 1971-12-02 1973-03-01 Gen Electric Deflecteur et amortisseur pour ailettes de turbomachines
GB1457417A (en) * 1973-06-30 1976-12-01 Dunlop Ltd Vibration damping means
GB1549422A (en) * 1976-10-19 1979-08-08 Rolls Royce Axial flow gas turbine engine compressor
GB1549152A (en) * 1977-01-11 1979-08-01 Rolls Royce Rotor stage for a gas trubine engine
US4192633A (en) * 1977-12-28 1980-03-11 General Electric Company Counterweighted blade damper
FR2503247B1 (fr) * 1981-04-07 1985-06-14 Snecma Perfectionnements aux etages de turbine a gaz de turboreacteurs munis de moyens de refroidissement par air du disque de la roue de la turbine
US4422827A (en) * 1982-02-18 1983-12-27 United Technologies Corporation Blade root seal
US4580946A (en) * 1984-11-26 1986-04-08 General Electric Company Fan blade platform seal
FR2665726B1 (fr) * 1990-08-08 1993-07-02 Snecma Soufflante de turbomachine a amortisseur dynamique a cames.
GB2251897B (en) * 1991-01-15 1994-11-30 Rolls Royce Plc A rotor
US5222865A (en) * 1991-03-04 1993-06-29 General Electric Company Platform assembly for attaching rotor blades to a rotor disk
US5478207A (en) * 1994-09-19 1995-12-26 General Electric Company Stable blade vibration damper for gas turbine engine
US5562419A (en) * 1995-06-06 1996-10-08 General Electric Company Shrouded fan blisk
FR2739136B1 (fr) * 1995-09-21 1997-10-31 Snecma Agencement amortissant pour des aubes de rotor
GB2344383B (en) * 1998-12-01 2002-06-26 Rolls Royce Plc A bladed rotor
DE10361882B4 (de) * 2003-12-19 2013-08-22 Rolls-Royce Deutschland Ltd & Co Kg Rotor für die Hochdruckturbine eines Flugtriebwerks
GB2411441B (en) * 2004-02-24 2006-04-19 Rolls Royce Plc Fan or compressor blisk
FR2888897B1 (fr) * 2005-07-21 2007-10-19 Snecma Dispositif d'amortissement des vibrations d'un anneau de retention axiale des aubes de soufflante d'une turbomachine
US7448844B1 (en) * 2005-08-16 2008-11-11 Florida Turbine Technologies, Inc. Blisk having partially cut blade attachment
US7931442B1 (en) * 2007-05-31 2011-04-26 Florida Turbine Technologies, Inc. Rotor blade assembly with de-coupled composite platform
US8070448B2 (en) * 2008-10-30 2011-12-06 Honeywell International Inc. Spacers and turbines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007037208A1 (de) * 2007-08-07 2009-02-19 Mtu Aero Engines Gmbh Turbinenschaufel mit zumindest einer Einsatzhülse zum Kühlen der Turbinenschaufel
EP2075411A1 (fr) * 2007-12-28 2009-07-01 United Technologies Corporation Rotor aubagé intégral à moyeu rainuré et moteur à turbine à gaz comprenant un tel rotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054589B4 (de) 2010-10-20 2023-12-14 General Electric Company Rotationsmaschine mit Abstandhaltern zur Steuerung der Fluiddynamik

Also Published As

Publication number Publication date
WO2010099781A2 (fr) 2010-09-10
US20120057988A1 (en) 2012-03-08
EP2350459A2 (fr) 2011-08-03
WO2010099781A3 (fr) 2011-05-19

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
R081 Change of applicant/patentee

Owner name: MTU AERO ENGINES AG, DE

Free format text: FORMER OWNER: MTU AERO ENGINES GMBH, 80995 MUENCHEN, DE

Effective date: 20130807

R012 Request for examination validly filed
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee