GB2310897B - Method and apparatus for reducing stress on the tips of turbine or compressor blades - Google Patents

Method and apparatus for reducing stress on the tips of turbine or compressor blades

Info

Publication number
GB2310897B
GB2310897B GB9708591A GB9708591A GB2310897B GB 2310897 B GB2310897 B GB 2310897B GB 9708591 A GB9708591 A GB 9708591A GB 9708591 A GB9708591 A GB 9708591A GB 2310897 B GB2310897 B GB 2310897B
Authority
GB
United Kingdom
Prior art keywords
tips
turbine
compressor blades
reducing stress
stress
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 - Lifetime
Application number
GB9708591A
Other versions
GB9708591D0 (en
GB2310897A (en
Inventor
Melvin Freling
Gary A Gruver
Jr Joseph John Parkos
Douglas A Welch
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 US08/138,521 external-priority patent/US5476363A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of GB9708591D0 publication Critical patent/GB9708591D0/en
Publication of GB2310897A publication Critical patent/GB2310897A/en
Application granted granted Critical
Publication of GB2310897B publication Critical patent/GB2310897B/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
    • F01D5/12—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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • 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
    • F04D29/324—Blades
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • F05D2230/312—Layer deposition by plasma spraying
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/16—Other metals not provided for in groups F05D2300/11 - F05D2300/15
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/228—Nitrides
    • F05D2300/2282—Nitrides of boron
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • F05D2300/6032—Metal matrix composites [MMC]
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/611—Coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB9708591A 1993-10-15 1994-10-11 Method and apparatus for reducing stress on the tips of turbine or compressor blades Expired - Lifetime GB2310897B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/138,521 US5476363A (en) 1993-10-15 1993-10-15 Method and apparatus for reducing stress on the tips of turbine or compressor blades
GB9420419A GB2282856B (en) 1993-10-15 1994-10-11 Method and apparatus for reducing stress on the tips of turbine or compressor blades

Publications (3)

Publication Number Publication Date
GB9708591D0 GB9708591D0 (en) 1997-06-18
GB2310897A GB2310897A (en) 1997-09-10
GB2310897B true GB2310897B (en) 1998-05-13

Family

ID=26305773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9708591A Expired - Lifetime GB2310897B (en) 1993-10-15 1994-10-11 Method and apparatus for reducing stress on the tips of turbine or compressor blades

Country Status (1)

Country Link
GB (1) GB2310897B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275500B (en) * 2014-06-04 2019-11-05 联合工艺公司 Fan blade tip as cutting element

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829524B1 (en) 2001-09-11 2004-03-05 Snecma Moteurs PROCESS FOR PRODUCING RADIAL END PORTIONS OF MOBILE PARTS OF TURBOMACHINES
US7001144B2 (en) * 2003-02-27 2006-02-21 General Electric Company Gas turbine and method for reducing bucket tip shroud creep rate
GB0400752D0 (en) 2004-01-13 2004-02-18 Rolls Royce Plc Cantilevered stator stage
EP1624192A1 (en) * 2004-08-06 2006-02-08 Siemens Aktiengesellschaft Impeller blade for axial compressor
JP4830812B2 (en) 2006-11-24 2011-12-07 株式会社Ｉｈｉ Compressor blade
EP3561226A1 (en) * 2018-04-24 2019-10-30 Siemens Aktiengesellschaft Compressor aerofoil
EP4095288A1 (en) 2021-05-27 2022-11-30 MTU Aero Engines AG Method for coating a component

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106261A (en) * 1965-02-24 1968-03-13 Gen Electric Improvements in rotary seal
US4227703A (en) * 1978-11-27 1980-10-14 General Electric Company Gas seal with tip of abrasive particles
US4232995A (en) * 1978-11-27 1980-11-11 General Electric Company Gas seal for turbine blade tip
GB2075129A (en) * 1980-05-01 1981-11-11 Gen Electric Tip cap for a rotor blade and method of replacement
GB2139114A (en) * 1981-11-02 1984-11-07 United Technologies Corp Co-spray abrasive coating
US4514469A (en) * 1981-09-10 1985-04-30 United Technologies Corporation Peened overlay coatings
US4589823A (en) * 1984-04-27 1986-05-20 General Electric Company Rotor blade tip
EP0292250A1 (en) * 1987-05-19 1988-11-23 Union Carbide Corporation Rotary gas seals and turbine and compressor blades
US4802828A (en) * 1986-12-29 1989-02-07 United Technologies Corporation Turbine blade having a fused metal-ceramic tip
WO1992021478A1 (en) * 1991-06-05 1992-12-10 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland A titanium compressor blade having a wear-resistant portion

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106261A (en) * 1965-02-24 1968-03-13 Gen Electric Improvements in rotary seal
US4227703A (en) * 1978-11-27 1980-10-14 General Electric Company Gas seal with tip of abrasive particles
US4232995A (en) * 1978-11-27 1980-11-11 General Electric Company Gas seal for turbine blade tip
GB2075129A (en) * 1980-05-01 1981-11-11 Gen Electric Tip cap for a rotor blade and method of replacement
US4514469A (en) * 1981-09-10 1985-04-30 United Technologies Corporation Peened overlay coatings
GB2139114A (en) * 1981-11-02 1984-11-07 United Technologies Corp Co-spray abrasive coating
US4589823A (en) * 1984-04-27 1986-05-20 General Electric Company Rotor blade tip
US4802828A (en) * 1986-12-29 1989-02-07 United Technologies Corporation Turbine blade having a fused metal-ceramic tip
EP0292250A1 (en) * 1987-05-19 1988-11-23 Union Carbide Corporation Rotary gas seals and turbine and compressor blades
WO1992021478A1 (en) * 1991-06-05 1992-12-10 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland A titanium compressor blade having a wear-resistant portion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275500B (en) * 2014-06-04 2019-11-05 联合工艺公司 Fan blade tip as cutting element

Also Published As

Publication number Publication date
GB9708591D0 (en) 1997-06-18
GB2310897A (en) 1997-09-10

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20141010