EP1564377A3 - Gasturbinen-schaufel und -rotorscheibe mit einem reduzierten Reibungskoeffizient an der Schaufel- und Rotorscheibe-grenzfläche - Google Patents

Gasturbinen-schaufel und -rotorscheibe mit einem reduzierten Reibungskoeffizient an der Schaufel- und Rotorscheibe-grenzfläche Download PDF

Info

Publication number: EP1564377A3
Authority: EP; European Patent Office
Prior art keywords: blade; rotor; disc; friction; bearing surface
Prior art date: 2004-02-12
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

EP05250384A

Other languages

English (en)

French (fr)

Other versions

EP1564377A2 (de

EP1564377B1 (de

Inventor

Keith Christopher Goldfinch

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.)

2004-02-12

Filing date

2005-01-26

Publication date

2006-11-08

2005-01-26 Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC

2005-08-17 Publication of EP1564377A2 publication Critical patent/EP1564377A2/de

2006-11-08 Publication of EP1564377A3 publication Critical patent/EP1564377A3/de

2010-04-07 Application granted granted Critical

2010-04-07 Publication of EP1564377B1 publication Critical patent/EP1564377B1/de

2025-01-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000011248 coating agent Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 abstract 1
239000000314 lubricant Substances 0.000 abstract 1

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)

EP05250384A 2004-02-12 2005-01-26 Gasturbinen-schaufel und -rotorscheibe mit einem reduzierten Reibungskoeffizient an der Schaufel- und Rotorscheibe-grenzfläche Expired - Lifetime EP1564377B1 (de)

Applications Claiming Priority (2)

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
GB0403064		2004-02-12

Publications (3)

Publication Number	Publication Date
EP1564377A2 EP1564377A2 (de)	2005-08-17
EP1564377A3 true EP1564377A3 (de)	2006-11-08
EP1564377B1 EP1564377B1 (de)	2010-04-07

Family

ID=32011750

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05250384A Expired - Lifetime EP1564377B1 (de)	2004-02-12	2005-01-26	Gasturbinen-schaufel und -rotorscheibe mit einem reduzierten Reibungskoeffizient an der Schaufel- und Rotorscheibe-grenzfläche

Country Status (3)

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

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

Citations (5)

* 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
EP0496503A1 (de) *	1991-01-15	1992-07-29	General Electric Company	Aushärtbarer trockener Schmierfilm für Titanlegierungen
US5264295A (en) *	1990-08-03	1993-11-23	Ngk Spark Plug Co., Ltd.	Combined body of ceramics and metal
US5846054A (en) *	1994-10-06	1998-12-08	General Electric Company	Laser shock peened dovetails for disks and blades

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5435872A (en) *	1991-11-01	1995-07-25	Decc Technology Partnership	Sized coated pistons
US5573377A (en) *	1995-04-21	1996-11-12	General Electric Company	Assembly of a composite blade root and a rotor
DE10326719A1 (de) *	2003-06-06	2004-12-23	Rolls-Royce Deutschland Ltd & Co Kg	Verdichterschaufelfuß für Triebwerksschaufeln von Flugzeugtriebwerken

2004
- 2004-02-12 GB GBGB0403064.9A patent/GB0403064D0/en not_active Ceased
2005
- 2005-01-26 EP EP05250384A patent/EP1564377B1/de not_active Expired - Lifetime
- 2005-01-26 GB GB0501610A patent/GB2411210B/en not_active Expired - Fee Related
- 2005-01-26 DE DE602005020379T patent/DE602005020379D1/de not_active Expired - Lifetime

Patent Citations (5)

* 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
EP0496503A1 (de) *	1991-01-15	1992-07-29	General Electric Company	Aushärtbarer trockener Schmierfilm für Titanlegierungen
US5846054A (en) *	1994-10-06	1998-12-08	General Electric Company	Laser shock peened dovetails for disks and blades

Also Published As

Publication number	Publication date
GB0403064D0 (en)	2004-03-17
GB0501610D0 (en)	2005-03-02
EP1564377A2 (de)	2005-08-17
EP1564377B1 (de)	2010-04-07
GB2411210A (en)	2005-08-24
DE602005020379D1 (de)	2010-05-20
GB2411210B (en)	2008-07-16

Legal Events

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2005-08-17	AX	Request for extension of the european patent	Extension state: AL BA HR LV MK YU
2006-10-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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2006-11-08	AX	Request for extension of the european patent	Extension state: AL BA HR LV MK YU
2007-06-13	17P	Request for examination filed	Effective date: 20070426
2007-07-11	AKX	Designation fees paid	Designated state(s): DE FR GB
2007-07-25	17Q	First examination report despatched	Effective date: 20070621
2009-12-05	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2010-03-02	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2010-03-05	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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