EP0823539A3 - Influencing the boundary layer on turbomachinery blades - Google Patents

Influencing the boundary layer on turbomachinery blades Download PDF

Info

Publication number: EP0823539A3
Authority: EP; European Patent Office
Prior art keywords: influencing; boundary layer; turbomachinery blades; turbomachinery; blades
Prior art date: 1996-08-09
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

EP97112247A

Other languages

German (de)

French (fr)

Other versions

EP0823539B1 (en

EP0823539A2 (en

Inventor

Volker Dr. Schulte

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 Deutschland Ltd and Co KG

Original Assignee

BMW Rolls Royce 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.)

1996-08-09

Filing date

1997-07-17

Publication date

1999-11-10

1997-07-17 Application filed by BMW Rolls Royce GmbH filed Critical BMW Rolls Royce GmbH

1998-02-11 Publication of EP0823539A2 publication Critical patent/EP0823539A2/en

1999-11-10 Publication of EP0823539A3 publication Critical patent/EP0823539A3/en

2002-04-10 Application granted granted Critical

2002-04-10 Publication of EP0823539B1 publication Critical patent/EP0823539B1/en

2017-07-17 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
- 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
- F05D2260/00—Function
- F05D2260/16—Fluid modulation at a certain frequency
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/904—Tool drive turbine, e.g. dental drill

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Turbine Rotor Nozzle Sealing (AREA)

EP97112247A 1996-08-09 1997-07-17 Influencing the boundary layer on turbomachinery blades Expired - Lifetime EP0823539B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19632207		1996-08-09
DE19632207A DE19632207A1 (en)	1996-08-09	1996-08-09	Process for preventing laminar boundary layer separation on turbomachine blades

Publications (3)

Publication Number	Publication Date
EP0823539A2 EP0823539A2 (en)	1998-02-11
EP0823539A3 true EP0823539A3 (en)	1999-11-10
EP0823539B1 EP0823539B1 (en)	2002-04-10

Family

ID=7802258

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97112247A Expired - Lifetime EP0823539B1 (en)	1996-08-09	1997-07-17	Influencing the boundary layer on turbomachinery blades

Country Status (3)

Country	Link
US (1)	US5876182A (en)
EP (1)	EP0823539B1 (en)
DE (2)	DE19632207A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6027305A (en) *	1997-08-13	2000-02-22	Virginia Tech Intellectual Properties, Inc.	Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery
US6203269B1 (en)	1999-02-25	2001-03-20	United Technologies Corporation	Centrifugal air flow control
US6435814B1 (en) *	2000-05-16	2002-08-20	General Electric Company	Film cooling air pocket in a closed loop cooled airfoil
DE10355240A1 (en)	2003-11-26	2005-07-07	Rolls-Royce Deutschland Ltd & Co Kg	Fluid flow machine with fluid removal
DE10355241A1 (en)	2003-11-26	2005-06-30	Rolls-Royce Deutschland Ltd & Co Kg	Fluid flow machine with fluid supply
DE102004030597A1 (en)	2004-06-24	2006-01-26	Rolls-Royce Deutschland Ltd & Co Kg	Turbomachine with external wheel jet generation at the stator
DE102004043036A1 (en)	2004-09-06	2006-03-09	Rolls-Royce Deutschland Ltd & Co Kg	Fluid flow machine with fluid removal
DE102004055439A1 (en)	2004-11-17	2006-05-24	Rolls-Royce Deutschland Ltd & Co Kg	Fluid flow machine with dynamic flow control
US20080149205A1 (en) *	2006-12-20	2008-06-26	General Electric Company	System and method for reducing wake
DE102007037924A1 (en)	2007-08-10	2009-02-12	Rolls-Royce Deutschland Ltd & Co Kg	Turbomachine with Ringkanalwandausnehmung
DE102008011644A1 (en)	2008-02-28	2009-09-03	Rolls-Royce Deutschland Ltd & Co Kg	Housing structuring for axial compressor in the hub area
DE102008031982A1 (en)	2008-07-07	2010-01-14	Rolls-Royce Deutschland Ltd & Co Kg	Turbomachine with groove at a trough of a blade end
DE102008037154A1 (en)	2008-08-08	2010-02-11	Rolls-Royce Deutschland Ltd & Co Kg	Turbomachine
DE102008052409A1 (en)	2008-10-21	2010-04-22	Rolls-Royce Deutschland Ltd & Co Kg	Turbomachine with near-suction edge energization
US8556576B2 (en) *	2010-09-30	2013-10-15	Florida Turbine Technologies, Inc.	Cooled IBR for a micro-turbine
JP2015048716A (en) *	2013-08-30	2015-03-16	株式会社東芝	Steam turbine
WO2015163949A2 (en) *	2014-01-16	2015-10-29	United Technologies Corporation	Fan cooling hole array
US10731469B2 (en)	2016-05-16	2020-08-04	Raytheon Technologies Corporation	Method and apparatus to enhance laminar flow for gas turbine engine components
WO2018029770A1 (en) *	2016-08-09	2018-02-15	三菱重工コンプレッサ株式会社	Steam turbine blade and steam turbine
US10247015B2 (en)	2017-01-13	2019-04-02	Rolls-Royce Corporation	Cooled blisk with dual wall blades for gas turbine engine
US10415403B2 (en)	2017-01-13	2019-09-17	Rolls-Royce North American Technologies Inc.	Cooled blisk for gas turbine engine
US10934865B2 (en)	2017-01-13	2021-03-02	Rolls-Royce Corporation	Cooled single walled blisk for gas turbine engine
US11958064B2 (en)	2017-11-28	2024-04-16	Ohio State Innovation Foundation	Variable characteristics fluidic oscillator and fluidic oscillator with three dimensional output jet and associated methods
US10718218B2 (en)	2018-03-05	2020-07-21	Rolls-Royce North American Technologies Inc.	Turbine blisk with airfoil and rim cooling
US11865556B2 (en) *	2019-05-29	2024-01-09	Ohio State Innovation Foundation	Out-of-plane curved fluidic oscillator
IT202100000296A1 (en)	2021-01-08	2022-07-08	Gen Electric	TURBINE ENGINE WITH VANE HAVING A SET OF DIMPLES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4581887A (en) *	1984-10-19	1986-04-15	The United States Of America As Represented By The Secretary Of The Army	Pulsation valve
DE3505823A1 (en) *	1985-02-20	1986-08-21	Hans 8038 Gröbenzell Bischoff	Arrangement for influencing the flow on guide or rotor blades for turbo engines
US5029440A (en) *	1990-01-26	1991-07-09	The United States Of America As Represented By The Secretary Of The Air Force	Acoustical anti-icing system
US5397217A (en) *	1992-11-24	1995-03-14	General Electric Company	Pulse-cooled gas turbine engine assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3043567C2 (en)	1980-11-15	1982-09-23	Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln	Arrangement for influencing the flow on aerodynamic profiles
DE3738366A1 (en) *	1987-11-12	1989-05-24	Deutsche Forsch Luft Raumfahrt	METHOD AND DEVICE FOR GENERATING A LAMINAR-TURBULENT BORDER LAYER TRANSITION IN A FLOWED BODY
DE4333865C1 (en) *	1993-10-05	1995-02-16	Mtu Muenchen Gmbh	Blade for a gas turbine

1996
- 1996-08-09 DE DE19632207A patent/DE19632207A1/en not_active Withdrawn
1997
- 1997-07-17 EP EP97112247A patent/EP0823539B1/en not_active Expired - Lifetime
- 1997-07-17 DE DE59706939T patent/DE59706939D1/en not_active Expired - Fee Related
- 1997-08-11 US US08/907,478 patent/US5876182A/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4581887A (en) *	1984-10-19	1986-04-15	The United States Of America As Represented By The Secretary Of The Army	Pulsation valve
DE3505823A1 (en) *	1985-02-20	1986-08-21	Hans 8038 Gröbenzell Bischoff	Arrangement for influencing the flow on guide or rotor blades for turbo engines
US5029440A (en) *	1990-01-26	1991-07-09	The United States Of America As Represented By The Secretary Of The Air Force	Acoustical anti-icing system
US5397217A (en) *	1992-11-24	1995-03-14	General Electric Company	Pulse-cooled gas turbine engine assembly

Also Published As

Publication number	Publication date
EP0823539B1 (en)	2002-04-10
EP0823539A2 (en)	1998-02-11
DE19632207A1 (en)	1998-02-12
DE59706939D1 (en)	2002-05-16
US5876182A (en)	1999-03-02

Publication	Publication Date	Title
EP0823539A3 (en)	1999-11-10	Influencing the boundary layer on turbomachinery blades
GB2322167B (en)	2001-02-07	Turbine blade
GB2295860B (en)	1998-12-16	Turbine blade
GB2290833B (en)	1998-08-05	Turbine blade
AU1277195A (en)	1995-07-10	Rotor blades
AU1986197A (en)	1997-10-29	Razor blade assembly
AU2841197A (en)	1998-03-12	Icing set
EP0685572A3 (en)	1996-09-04	Coated hard-alloy blade member.
EP1048850A4 (en)	2002-07-10	Centrifugal turbomachinery
ZA975055B (en)	1998-01-16	Point blades.
AU9579998A (en)	1999-04-12	Ducted turbine
AU3660897A (en)	1998-02-09	Razor blade assembly
AU2184900A (en)	2000-07-03	Hydropowered turbine system
AU7442998A (en)	1998-12-30	Variable geometry turbine
AU1545095A (en)	1995-08-08	Blade assembly
AU5502696A (en)	1997-02-05	Centrifugal gas turbine
AU4972597A (en)	1998-06-03	Rotor blade
AU3940795A (en)	1996-06-17	Airfoil section
AU2312395A (en)	1995-11-16	Turbine blade repair
FR2712630B1 (en)	1995-12-15	Segmented turbomachine rotor.
AU2891995A (en)	1996-01-15	Aircraft rotor arrangement
AU5787296A (en)	1997-09-22	The minchey wind engine
GB2323896B (en)	1998-12-16	Turbine blade units
AU730957C (en)	2001-10-11	Find the prize
AU4097297A (en)	1998-04-23	Improved fan blade construction

Legal Events

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1997-12-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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2000-05-17	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: ROLLS-ROYCE DEUTSCHLAND GMBH
2000-07-19	AKX	Designation fees paid	Free format text: DE FR GB
2001-03-21	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
2001-06-06	17Q	First examination report despatched	Effective date: 20010424
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