Global Patent Index - EP 1070917 A1

EP 1070917 A1 2001-01-24 - Process for active suppression of fluidic instabilities in a combustion system as well as combustion system for carrying out the process

Title (en)

Process for active suppression of fluidic instabilities in a combustion system as well as combustion system for carrying out the process

Title (de)

Verfahren zur aktiven Unterdrückung von strömungsmechanischen Instabilitäten in einem Verbrennungssystem sowie Verbrennungssystem zur Durchführung des Verfahrens

Title (fr)

Procédé pour la supression active d'instabilités fluidiques dans un système de combustion ainsi que système de combustion pour la mise en oeuvre du procédé

Publication

EP 1070917 A1 (DE)

Application

EP 00810632 A

Priority

DE 19934612 A

Abstract (en)

The active suppression process takes place in a combustion system (10) in which liquid or gas fuel is mixed with combustion air and the mixture is then burned. The mass flow of the supplied fuel is modulated by the measurements of a selected time function. This modulation is achieved by fluidic means (11).

Abstract (de)

Bei einem Verfahren zur aktiven Unterdrückung von strömungsmechanischen Instabilitäten in einem Verbrennungssystem (10, 20, 30), in dem flüssiger oder gasförmiger Brennstoff mit Verbrennungsluft vorgemischt und Brennstoff-Luft-Mischung anschliessend verbrannt wird, und bei welchem Verfahren der Massenstrom des zugeführten Brennstoffs nach Massgabe einer ausgewählten Zeitfunktion moduliert wird, wird eine Vereinfachung und erhöhte Funktionssicherheit dadurch erreicht, dass die Modulation mit Mitteln der Fluidik (11) erfolgt. <IMAGE>

IPC 1-7 (main, further and additional classification)

F23D 14/48; F15C 1/22; F23C 7/00; F23D 14/02; F23D 14/62; F23D 17/00

IPC 8 full level (invention and additional information)

F23C 99/00 (2006.01); B05B 7/04 (2006.01); F15C 1/22 (2006.01); F23C 7/00 (2006.01); F23D 14/02 (2006.01); F23D 14/48 (2006.01); F23D 14/62 (2006.01); F23D 99/00 (2010.01); F23K 5/00 (2006.01); F23K 5/02 (2006.01)

CPC (invention and additional information)

F23D 14/02 (2013.01); F15C 1/22 (2013.01); F23C 7/004 (2013.01); F23D 14/48 (2013.01); F23D 14/62 (2013.01); F23R 2900/00013 (2013.01)

Citation (applicant)

EP 0321809 A1 19890628 - BBC BROWN BOVERI & CIE [CH]

Citation (search report)

Designated contracting state (EPC)

DE GB

EPO simple patent family

EP 1070917 A1 20010124; EP 1070917 B1 20030917; DE 19934612 A1 20010125; JP 2001059602 A 20010306; US 6343927 B1 20020205

INPADOC legal status


2016-10-31 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Year of fee payment: 17

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- Payment date: 20160722

- Year of fee payment: 17

2016-08-09 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

- Free text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH

- Document: DE 50003703

2016-08-09 [REG DE R082] CHANGE OF REPRESENTATIVE

- Document: DE 50003703

- Representative's name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE

2004-09-08 [26N] NO OPPOSITION FILED

- Effective date: 20040618

2004-02-18 [REG GB 732E] AMENDMENTS TO THE REGISTER IN RESPECT OF CHANGES OF NAME OR CHANGES AFFECTING RIGHTS (SECT. 32/1977)

2004-01-28 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20040104

2004-01-14 [RAP2] TRANSFER OF RIGHTS OF AN EP GRANTED PATENT

- Owner name: ALSTOM TECHNOLOGY LTD

2003-10-23 [REF] CORRESPONDS TO:

- Document: DE 50003703 P 20031023

2003-09-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE GB

2003-09-17 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2003-05-07 [RIN1] INVENTOR (CORRECTION)

- Inventor name: EROGLU, ADNAN, DR.

2003-05-07 [RIN1] INVENTOR (CORRECTION)

- Inventor name: PASCHEREIT, CHRISTIAN OLIVER, DR.

2003-05-07 [RIN1] INVENTOR (CORRECTION)

- Inventor name: POLIFKE, WOLFGANG, PROF., DR.

2003-04-23 [RTI1] TITLE (CORRECTION)

- Free text: PROCESS FOR ACTIVE SUPPRESSION OF FLUIDIC INSTABILITIES IN A COMBUSTION SYSTEM AND COMBUSTION SYSTEM FOR CARRYING OUT THE

2002-04-17 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ALSTOM (SWITZERLAND) LTD

2001-10-10 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE GB

2001-08-01 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ALSTOM (SCHWEIZ) AG

2001-07-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010522

2001-01-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE GB

2001-01-24 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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