GB0501610D0 - Reduction of co-efficient of friction to reduce stress ratio in bearings and gas turbine parts - Google Patents

Reduction of co-efficient of friction to reduce stress ratio in bearings and gas turbine parts

Info

Publication number
GB0501610D0
GB0501610D0 GBGB0501610.0A GB0501610A GB0501610D0 GB 0501610 D0 GB0501610 D0 GB 0501610D0 GB 0501610 A GB0501610 A GB 0501610A GB 0501610 D0 GB0501610 D0 GB 0501610D0
Authority
GB
United Kingdom
Prior art keywords
bearings
friction
efficient
reduction
gas turbine
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
GBGB0501610.0A
Other versions
GB2411210B (en
GB2411210A (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 US11/046,759 priority Critical patent/US7306434B2/en
Publication of GB0501610D0 publication Critical patent/GB0501610D0/en
Publication of GB2411210A publication Critical patent/GB2411210A/en
Application granted granted Critical
Publication of GB2411210B publication Critical patent/GB2411210B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
    • 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
    • F04D29/34—Blade mountings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
GB0501610A 2004-02-12 2005-01-26 Gas turbine engine rotatable component. Expired - Fee Related GB2411210B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/046,759 US7306434B2 (en) 2004-02-12 2005-02-01 Reduction of co-efficient of friction to reduce stress ratio in bearings and gas turbine parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0403064.9A GB0403064D0 (en) 2004-02-12 2004-02-12 Gas turbine engine rotor blade, rotor disc and bladed disc assembly, and a bearing arrangement for reducing the effects of dynamic contact stresses

Publications (3)

Publication Number Publication Date
GB0501610D0 true GB0501610D0 (en) 2005-03-02
GB2411210A GB2411210A (en) 2005-08-24
GB2411210B GB2411210B (en) 2008-07-16

Family

ID=32011750

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0403064.9A Ceased GB0403064D0 (en) 2004-02-12 2004-02-12 Gas turbine engine rotor blade, rotor disc and bladed disc assembly, and a bearing arrangement for reducing the effects of dynamic contact stresses
GB0501610A Expired - Fee Related GB2411210B (en) 2004-02-12 2005-01-26 Gas turbine engine rotatable component.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0403064.9A Ceased GB0403064D0 (en) 2004-02-12 2004-02-12 Gas turbine engine rotor blade, rotor disc and bladed disc assembly, and a bearing arrangement for reducing the effects of dynamic contact stresses

Country Status (3)

Country Link
EP (1) EP1564377B1 (en)
DE (1) DE602005020379D1 (en)
GB (2) GB0403064D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7217099B2 (en) * 2005-05-24 2007-05-15 General Electric Company Coated forward stub shaft dovetail slot
US20160003067A1 (en) * 2013-03-07 2016-01-07 United Technologies Corporation Aluminum Fan Blades with Root Wear Mitigation
US12012870B1 (en) * 2022-11-29 2024-06-18 Rtx Corporation Machinable coating for CMC and metal interface in a turbine section

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809495A (en) * 1973-03-27 1974-05-07 Westinghouse Electric Corp Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon
US4169694A (en) * 1977-07-20 1979-10-02 Electric Power Research Institute, Inc. Ceramic rotor blade having root with double curvature
US5264295A (en) * 1990-08-03 1993-11-23 Ngk Spark Plug Co., Ltd. Combined body of ceramics and metal
US5356545A (en) * 1991-01-15 1994-10-18 General Electric Company Curable dry film lubricant for titanium alloys
US5435872A (en) * 1991-11-01 1995-07-25 Decc Technology Partnership Sized coated pistons
US5846054A (en) * 1994-10-06 1998-12-08 General Electric Company Laser shock peened dovetails for disks and blades
US5573377A (en) * 1995-04-21 1996-11-12 General Electric Company Assembly of a composite blade root and a rotor
DE10326719A1 (en) * 2003-06-06 2004-12-23 Rolls-Royce Deutschland Ltd & Co Kg Compressor blade base for engine blades of aircraft engines

Also Published As

Publication number Publication date
EP1564377A3 (en) 2006-11-08
GB2411210B (en) 2008-07-16
GB0403064D0 (en) 2004-03-17
EP1564377B1 (en) 2010-04-07
EP1564377A2 (en) 2005-08-17
GB2411210A (en) 2005-08-24
DE602005020379D1 (en) 2010-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200126