EP1544458A3

Blade pitch angle control for wind turbine

Abstract

The invention relates to a wind energy plant with a rotor having at least one rotor blade for converting the flow energy of the wind into mechanical energy, with an adjusting device for the individual adjustment of at least one rotor blade, with a generator for converting the mechanical energy of the rotor into electrical energy and with an operative connection between the rotor and the generator for transmitting the mechanical energy of the rotor to the generator. The object of the invention is therefore to avoid the above-mentioned problems and to provide a wind turbine in which the loads are reduced, which can occur due to local and temporary peaks in the wind speed in partial areas of the rotor surface. This object is achieved according to the invention

EP1544458A3, drawing sheet 1 — Sheet 1 of 1

Term

Term ended

Projected expiry passed 20 June 2018, 8.3 years ago.

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
GB2067247A	Cites	United Kingdom	XY	Search report	1-5,13,15,17-20,22
DE2546884A1	Cites	Germany	Y	Search report	21
US4297076A	Cites	United States of America	Y	Search report	6-8,12
US4339666A	Cites	United States of America	Y	Search report	9-11
US4348155A	Cites	United States of America	A	Search report	1
US4355955A	Cites	United States of America	Y	Search report	16
US4550259A	Cites	United States of America	A	Search report	5

41 members in 17 offices

This recordMember, by publication datePriority claim7 more offices are in the list below

Priority claims4

Priority claims
Document	Office	Kind	Date
19731918	Germany	–	1997-07-25
19731918	Germany	A	1997-07-25
02012133	European Patent Office (EPO)	A	1998-06-20
98937523	European Patent Office (EPO)	A	1998-06-20

Members41

Family members, oldest first
Document	Office	Kind
DE19731918A1	Germany	A1	1999-01-28
CA2295185A1	Canada	A1	1999-02-04
WO9905414A1	World Intellectual Property Organization (WIPO)	A1	1999-02-04
AU8628498A	Australia	A	1999-02-16
NO20000346D0	Norway	D0	2000-01-24
NO20000346L	Norway	L	2000-03-23
EP0998634A1	European Patent Office (EPO)	A1	2000-05-10
TR200000029T2	Türkiye	T2	2000-07-21
BR9811036A	Brazil	A	2000-08-01
AU727051B2	Australia	B2	2000-11-30
NZ502243A	New Zealand	A	2001-04-27
AR016541A1	Argentina	A1	2001-07-25
JP2001511497A	Japan	A	2001-08-14
US6361275B1	United States of America	B1	2002-03-26
US2002047275A1	United States of America	A1	2002-04-25
EP1243790A1	European Patent Office (EPO)	A1	2002-09-25
EP0998634B1	European Patent Office (EPO)	B1	2003-11-05
AT253688T	Austria	T	2003-11-15
ATE253688T1	Austria	T1	2003-11-15
DE59810098D1	Germany	D1	2003-12-11
DK0998634T3	Denmark	T3	2004-03-15
PT998634E	Portugal	E	2004-03-31
ES2209172T3	Spain	T3	2004-06-16
CA2295185C	Canada	C	2004-08-17
JP3626906B2	Japan	B2	2005-03-09
EP1243790B1	European Patent Office (EPO)	B1	2005-05-11
AT295477T	Austria	T	2005-05-15
ATE295477T1	Austria	T1	2005-05-15
DE59812796D1	Germany	D1	2005-06-16
EP1544458A2	European Patent Office (EPO)	A2	2005-06-22
PT1243790E	Portugal	E	2005-07-29
DK1243790T3	Denmark	T3	2005-09-05
ES2240605T3	Spain	T3	2005-10-16
DE19731918B4	Germany	B4	2005-12-22
EP1544458A3This record	European Patent Office (EPO)	A3	2006-12-20
NO323071B1	Norway	B1	2006-12-27
EP1544458B1	European Patent Office (EPO)	B1	2013-04-03
PT1544458E	Portugal	E	2013-04-16
DK1544458T3	Denmark	T3	2013-04-22
ES2416085T3	Spain	T3	2013-07-30
CY1115378T1	Cyprus	T1	2017-01-04

80 legal events, as 13 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2018-08-07	Ep patent has been removed from the registerECNC	ECNC	SE
2018-07-15	Revocation of the patentMA03	MA03	AT
2018-06-01	Restoration of lapsed rightLapsedNF	NF	GR
2018-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2018-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2018-04-18	Patent revokedRevoked27W	27W	EP
2018-04-18	Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting stateRevokedGBPR	GBPR	EP
2018-03-29	Patent declared invalid from date of grant onwardsPLX	PLX	CH
2018-03-16	Information deleted related to despatch of communication that opposition is rejectedOppositionORIGINAL CODE: EPIDOSDREJ1PLAO	PLAO	EP
2018-03-16	Communication despatched that patent is revokedRevokedORIGINAL CODE: EPIDOSNREV1RDAF	RDAF	EP
2018-03-16	Patent revokedRevokedORIGINAL CODE: 0009271RDAG	RDAG	EP
2018-03-16	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: PATENT REVOKEDSTAA	STAA	EP
2017-11-30	Communication despatched that opposition was rejectedOppositionORIGINAL CODE: EPIDOSNREJ1PLCK	PLCK	EP
2017-11-29	Opposition filed (corrected)OppositionR26	R26	EP
2017-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-10-27	Opposition data, opponent's data or that of the opponent's representative modifiedOppositionORIGINAL CODE: 0009299OPPOPLAB	PLAB	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2017-06-26	Epo's revocation decision now finalR064	R064	DE
2017-06-26	Patent revoked by epoRevokedR103	R103	DE
2017-06-21	Fee paymentPLFP	PLFP	FR
2017-05-24	Opposition filed (corrected)OppositionR26	R26	EP
2017-04-21	Opposition data, opponent's data or that of the opponent's representative modifiedOppositionORIGINAL CODE: 0009299OPPOPLAB	PLAB	EP
2016-06-21	Fee paymentPLFP	PLFP	FR
2015-12-30	Party data changed (patent owner data changed or rights of a patent transferred)RAP2	RAP2	EP
2015-06-23	Fee paymentPLFP	PLFP	FR
2014-08-22	Reply of patent proprietor to notice(s) of opposition receivedOppositionORIGINAL CODE: EPIDOSNOBS3PLBB	PLBB	EP
2014-06-24	Information modified related to communication of a notice of opposition and request to file observations + time limitOppositionORIGINAL CODE: EPIDOSCOBS2PLAF	PLAF	EP
2014-03-27	Opposition filed against patentOppositionR026	R026	DE
2014-03-14	Change of the address of the representativeNEW ADDRESS: BAECHERSTRASSE 9, 8832 WOLLERAU (CH)PCAR	PCAR	CH
2014-02-19	Opposition filedOpposition26	26	EP
2014-02-10	Notice of opposition and request to file observation + time limit sentOppositionORIGINAL CODE: EPIDOSNOBS2PLAX	PLAX	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-17	Opposition filedOppositionORIGINAL CODE: 0009260PLBI	PLBI	EP
2013-10-01	Ep patent validated in greeceEP	EP	GR
2013-07-30	Definitive protectionFG2A	FG2A	ES
2013-06-18	Translation of granted ep patentGrantedTRGR	TRGR	SE
2013-05-31	New agentNV	NV	CH
2013-05-29	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2013-05-08	European patents granted designating irelandGrantedLANGUAGE OF EP DOCUMENT: GERMANFG4D	FG4D	IE
2013-05-01	Translation files for an european patent granted for nl, confirming art. 52 par. 1 or 6 of the patents act 1995GrantedT3	T3	NL
2013-04-22	Ep patent with danish claimsT3	T3	DK
2013-04-16	Translation is availableAVAILABILITY OF NATIONAL TRANSLATIONSC4A	SC4A	PT
2013-04-15	European patent takes effect as a national patent in ch/liEP	EP	CH
2013-04-15	Reference to at number (ep patent enters austrian national phase)REF	REF	AT
2013-04-03	Divisional application: reference to earlier applicationAC	AC	EP
2013-04-03	Divisional application: reference to earlier applicationAC	AC	EP
2013-04-03	Designated contracting statesAK	AK	EP
2013-04-03	European patent grantedGrantedNOT ENGLISHFG4D	FG4D	GB
2013-03-01	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2013-02-27	Party data changed (applicant data changed or rights of an application transferred)RAP1	RAP1	EP
2013-02-20	Party data changed (applicant data changed or rights of an application transferred)RAP1	RAP1	EP
2013-02-20	Information on inventor provided before grant (corrected)RIN1	RIN1	EP
2013-02-01	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2012-09-21	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2012-04-25	First examination report despatched17Q	17Q	EP
2007-08-29	Designation fees paidAKX	AKX	EP
2007-08-01	Request for examination filed17P	17P	EP
2006-12-20	Designated contracting statesAK	AK	EP
2006-12-20	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2006-12-20	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2006-11-17	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
2005-06-22	Divisional application: reference to earlier applicationAC	AC	EP
2005-06-22	Divisional application: reference to earlier applicationAC	AC	EP
2005-06-22	Designated contracting statesAK	AK	EP
2005-05-06	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Blade pitch angle control for wind turbine

Abstract

Term

Priority claims4

Members41

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Titles3

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Designated states19