Wind turbine blade with anti-noise devices
Abstract
A wind turbine comprising at least a blade (11) having an aerodynamic profile with a leading edge (13), a trailing edge (15) and suction and pressure sides between the leading edge (13) and the trailing edge (15) that includes an anti-noise device (31) placed on the suction side formed by elements (33) that modify the frequency spectra of the boundary layer noise. Preferably the anti-noise device (31) is placed on the suction side between two sections corresponding to chord positions in the range of 40%-95% of the chord length, measured from the leading edge (13).

Term
1.6 yearsto projected expiry
Projected expiry 23 April 2028, counted from filing; an application has no term until it is granted.
- Priority
- Filed
- Published
- Today
- Projected expiry
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| WO0015961A1 | Cites | World Intellectual Property Organization (WIPO) | Search report |
| JP2003254225A | Cites | Japan | Search report |
| WO2006122547A1 | Cites | World Intellectual Property Organization (WIPO) | Search report |
| US2007110585A1 | Cites | United States of America | Search report |
| WO9011929A1 | Cites | World Intellectual Property Organization (WIPO) | Search report |
11 members in 5 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 200701494 | Spain | A | |
| 200701494 | Spain | A | |
| 200701494 | Spain | – | |
| 200701494 | – | – | – |
| ES20070001494 | – | – | – |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| US2008298967A1 | United States of America | A1 | |
| CN101324218A | China | A | |
| EP2028366A2 | European Patent Office (EPO) | A2 | |
| ES2345583A1 | Spain | A1 | |
| ES2345583B1 | Spain | B1 | |
| US8157532B2 | United States of America | B2 | |
| CN101324218B | China | B | |
| EP2028366A3This record | European Patent Office (EPO) | A3 | |
| EP2028366B1 | European Patent Office (EPO) | B1 | |
| DK2028366T3 | Denmark | T3 | |
| ES2925301T3 | Spain | T3 |
82 legal events, as 11 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Ep patent lapsedLapsedEBP | EBP | DK | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent lapsedLapsedMM4A | MM4A | IE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed because of non-payment of the annual feeLapsedMM | MM | BE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent ceasedCeasedPL | PL | CH | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05 | MK05 | AT | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent invalid in the netherlands as no translation has been filedMP | MP | NL | |
| Definitive protectionFG2A | FG2A | ES | |
| Invalidation of extension of european patentsMG9D | MG9D | LT | |
| Ep patent with danish claimsT3 | T3 | DK | |
| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
| Reference to at number (ep patent validated in austria)REF | REF | AT | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE PATENT HAS BEEN GRANTEDSTAA | STAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Intention to grant announcedINTG | INTG | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: GRANT OF PATENT IS INTENDEDSTAA | STAA | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| Designation fees paidAKX | AKX | EP | |
| Extension fees paidAXX | AXX | EP | |
| Extension fees paidAXX | AXX | EP | |
| Extension fees paidAXX | AXX | EP | |
| Extension fees paidAXX | AXX | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting states (corrected)RBV | RBV | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 2028366
- Publication, DOCDB
- 2028366
- Publication, EPODOC
- EP2028366
- Application
- 80077613
- Application, DOCDB
- 08007761
- Application, EPODOC
- EP20080007761
Titles3
- German
- Windturbinenschaufel mit Geräuschdämpfungselementen
- English
- Wind turbine blade with anti-noise devices
- French
- Pale d'éolienne avec dispositifs d'insonorisation
Classification
- CPC, 13
- F03D1/0608
- F05B2240/30
- F05B2250/183
- F05B2260/962
- F05D2270/17
- F05D2250/183
- F05D2260/962
- F05D2240/127
- F05D2240/30
- F05B2240/3062
- Y02E10/72
- F05B2240/122
- Y10S415/914
- IPC, 3
- F03D1 06
- F03D3 06
- F01D5 14
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- Serbia