GB1423833A - Rotor blades for fluid flow machines - Google Patents

Rotor blades for fluid flow machines

Info

Publication number
GB1423833A
GB1423833A GB1848872A GB1848872A GB1423833A GB 1423833 A GB1423833 A GB 1423833A GB 1848872 A GB1848872 A GB 1848872A GB 1848872 A GB1848872 A GB 1848872A GB 1423833 A GB1423833 A GB 1423833A
Authority
GB
United Kingdom
Prior art keywords
vane
blade
rotor blades
over
april
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
GB1848872A
Other languages
English (en)
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 GB1848872A priority Critical patent/GB1423833A/en
Priority to DE2319743A priority patent/DE2319743A1/de
Priority to US352705A priority patent/US3876330A/en
Priority to FR7314544A priority patent/FR2181407A5/fr
Publication of GB1423833A publication Critical patent/GB1423833A/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
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • 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
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1848872A 1972-04-20 1972-04-20 Rotor blades for fluid flow machines Expired GB1423833A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1848872A GB1423833A (en) 1972-04-20 1972-04-20 Rotor blades for fluid flow machines
DE2319743A DE2319743A1 (de) 1972-04-20 1973-04-18 Rotorschaufel fuer stroemungsmaschinen
US352705A US3876330A (en) 1972-04-20 1973-04-19 Rotor blades for fluid flow machines
FR7314544A FR2181407A5 (enExample) 1972-04-20 1973-04-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1848872A GB1423833A (en) 1972-04-20 1972-04-20 Rotor blades for fluid flow machines

Publications (1)

Publication Number Publication Date
GB1423833A true GB1423833A (en) 1976-02-04

Family

ID=10113289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1848872A Expired GB1423833A (en) 1972-04-20 1972-04-20 Rotor blades for fluid flow machines

Country Status (4)

Country Link
US (1) US3876330A (enExample)
DE (1) DE2319743A1 (enExample)
FR (1) FR2181407A5 (enExample)
GB (1) GB1423833A (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338806A (en) * 1976-09-22 1978-04-10 Hitachi Ltd Seal device for nose part of movable vane
US4390320A (en) 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
GB2127104A (en) * 1982-08-11 1984-04-04 Rolls Royce Sealing means for a turbine rotor blade in a gas turbine engine
DE3308140A1 (de) * 1983-03-08 1984-09-13 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Mehrstufige deckbandturbine
GB2146707A (en) * 1983-09-14 1985-04-24 Rolls Royce Turbine
GB2153447A (en) * 1984-01-19 1985-08-21 Mtu Muenchen Gmbh Tip seal compressor blade construction
GB2340189A (en) * 1998-08-04 2000-02-16 Siemens Plc A turbomachine shroud seal having baffles

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370094A (en) * 1974-03-21 1983-01-25 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
GB1514613A (en) * 1976-04-08 1978-06-14 Rolls Royce Blade or vane for a gas turbine engine
US4224011A (en) * 1977-10-08 1980-09-23 Rolls-Royce Limited Cooled rotor blade for a gas turbine engine
US4214355A (en) * 1977-12-21 1980-07-29 General Electric Company Method for repairing a turbomachinery blade tip
US4332523A (en) * 1979-05-25 1982-06-01 Teledyne Industries, Inc. Turbine shroud assembly
US4274806A (en) * 1979-06-18 1981-06-23 General Electric Company Staircase blade tip
US4606701A (en) * 1981-09-02 1986-08-19 Westinghouse Electric Corp. Tip structure for a cooled turbine rotor blade
US4424001A (en) 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade
US4534701A (en) * 1982-06-29 1985-08-13 Gerhard Wisser Rotor or guide wheel of a turbine engine with shroud ring
US4487550A (en) * 1983-01-27 1984-12-11 The United States Of America As Represented By The Secretary Of The Air Force Cooled turbine blade tip closure
DE3505491A1 (de) * 1985-02-16 1986-08-21 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Dichtung fuer eine stroemungsmaschine
US4909706A (en) * 1987-01-28 1990-03-20 Union Carbide Corporation Controlled clearance labyrinth seal
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
GB2223276B (en) * 1988-09-30 1992-09-02 Rolls Royce Plc Turbine aerofoil blade
EP0528138B1 (de) * 1991-08-08 1995-05-17 Asea Brown Boveri Ag Deckblatt für axialdurchströmte Turbine
DE59201833D1 (de) * 1991-10-08 1995-05-11 Asea Brown Boveri Deckband für axialdurchströmte Turbine.
US5632598A (en) * 1995-01-17 1997-05-27 Dresser-Rand Shrouded axial flow turbo machine utilizing multiple labrinth seals
JP2955252B2 (ja) * 1997-06-26 1999-10-04 三菱重工業株式会社 ガスタービン動翼チップシュラウド
EP0903468B1 (de) * 1997-09-19 2003-08-20 ALSTOM (Switzerland) Ltd Vorrichtung zur Spaltdichtung
DE19860245A1 (de) * 1998-12-24 2000-06-29 Abb Alstom Power Ch Ag Turbinenschaufel mit aktiv gekühltem Deckbandelement
EP1013884B1 (de) 1998-12-24 2005-07-27 ALSTOM Technology Ltd Turbinenschaufel mit aktiv gekühltem Deckbandelememt
EP1041247B1 (en) * 1999-04-01 2012-08-01 General Electric Company Gas turbine airfoil comprising an open cooling circuit
US6761534B1 (en) * 1999-04-05 2004-07-13 General Electric Company Cooling circuit for a gas turbine bucket and tip shroud
US6296459B1 (en) 2000-02-15 2001-10-02 Intex Recreation Corp. Electric air pump having multiple impellers and method
GB0228443D0 (en) * 2002-12-06 2003-01-08 Rolls Royce Plc Blade cooling
GB0319002D0 (en) * 2003-05-13 2003-09-17 Alstom Switzerland Ltd Improvements in or relating to steam turbines
US7836591B2 (en) * 2005-03-17 2010-11-23 Siemens Energy, Inc. Method for forming turbine seal by cold spray process
US8317465B2 (en) * 2009-07-02 2012-11-27 General Electric Company Systems and apparatus relating to turbine engines and seals for turbine engines
US8608424B2 (en) * 2009-10-09 2013-12-17 General Electric Company Contoured honeycomb seal for a turbomachine
US8556575B2 (en) * 2010-03-26 2013-10-15 United Technologies Corporation Blade outer seal for a gas turbine engine
EP2412927A1 (en) * 2010-07-29 2012-02-01 Alstom Technology Ltd Turbine blade
GB201017797D0 (en) * 2010-10-21 2010-12-01 Rolls Royce Plc An aerofoil structure
FR2977909B1 (fr) * 2011-07-12 2016-07-15 Snecma Aube de rotor pour une turbomachine
US9080459B2 (en) * 2012-01-03 2015-07-14 General Electric Company Forward step honeycomb seal for turbine shroud
US9097136B2 (en) * 2012-01-03 2015-08-04 General Electric Company Contoured honeycomb seal for turbine shroud
US10287914B2 (en) 2012-01-31 2019-05-14 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section and bearing support features
US20130230379A1 (en) * 2012-03-01 2013-09-05 General Electric Company Rotating turbomachine component having a tip leakage flow guide
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
US9291061B2 (en) * 2012-04-13 2016-03-22 General Electric Company Turbomachine blade tip shroud with parallel casing configuration
JP6012519B2 (ja) * 2013-03-21 2016-10-25 三菱重工業株式会社 タービン、及びこれを備えた回転機械
US20160003163A1 (en) * 2014-07-03 2016-01-07 United Technologies Corporation Gas turbine engine with short transition duct
EP3034790B1 (en) * 2014-12-16 2020-06-24 Ansaldo Energia Switzerland AG Rotating blade for a gas turbine
EP3085890B1 (en) * 2015-04-22 2017-12-27 Ansaldo Energia Switzerland AG Blade with tip shroud
GB201519869D0 (en) * 2015-11-11 2015-12-23 Rolls Royce Plc Shrouded turbine blade
FR3053385B1 (fr) * 2016-06-29 2020-03-06 Safran Helicopter Engines Roue de turbomachine
FR3053386B1 (fr) * 2016-06-29 2020-03-20 Safran Helicopter Engines Roue de turbine
DE102016222720A1 (de) * 2016-11-18 2018-05-24 MTU Aero Engines AG Dichtungssystem für eine axiale Strömungsmaschine und axiale Strömungsmaschine
US10502069B2 (en) 2017-06-07 2019-12-10 General Electric Company Turbomachine rotor blade
US11060407B2 (en) 2017-06-22 2021-07-13 General Electric Company Turbomachine rotor blade
US10301943B2 (en) 2017-06-30 2019-05-28 General Electric Company Turbomachine rotor blade
US10577945B2 (en) 2017-06-30 2020-03-03 General Electric Company Turbomachine rotor blade
US10590777B2 (en) 2017-06-30 2020-03-17 General Electric Company Turbomachine rotor blade
WO2019122540A1 (fr) * 2017-12-19 2019-06-27 Safran Helicopter Engines Roue de turbomachine avec léchettes convexe ou concave

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1010750A (en) * 1909-04-28 1911-12-05 Colonial Trust Co Turbine-balde shroud.
GB855058A (en) * 1957-02-22 1960-11-30 Rolls Royce Improvements in or relating to bladed rotor or stator constructions for axial-flow fluid machines for example for compressors or turbines of gas-turbine engines
US3533712A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US3575523A (en) * 1968-12-05 1971-04-20 Us Navy Labyrinth seal for axial flow fluid machines
US3527544A (en) * 1968-12-12 1970-09-08 Gen Motors Corp Cooled blade shroud
US3606572A (en) * 1969-08-25 1971-09-20 Gen Motors Corp Airfoil with porous leading edge
US3635585A (en) * 1969-12-23 1972-01-18 Westinghouse Electric Corp Gas-cooled turbine blade
US3736071A (en) * 1970-11-27 1973-05-29 Gen Electric Bucket tip/collection slot combination for open-circuit liquid-cooled gas turbines

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338806A (en) * 1976-09-22 1978-04-10 Hitachi Ltd Seal device for nose part of movable vane
US4390320A (en) 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
GB2127104A (en) * 1982-08-11 1984-04-04 Rolls Royce Sealing means for a turbine rotor blade in a gas turbine engine
DE3308140A1 (de) * 1983-03-08 1984-09-13 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Mehrstufige deckbandturbine
GB2146707A (en) * 1983-09-14 1985-04-24 Rolls Royce Turbine
US4714406A (en) * 1983-09-14 1987-12-22 Rolls-Royce Plc Turbines
GB2153447A (en) * 1984-01-19 1985-08-21 Mtu Muenchen Gmbh Tip seal compressor blade construction
GB2340189A (en) * 1998-08-04 2000-02-16 Siemens Plc A turbomachine shroud seal having baffles

Also Published As

Publication number Publication date
US3876330A (en) 1975-04-08
DE2319743A1 (de) 1973-10-31
FR2181407A5 (enExample) 1973-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930418