EP1632672A3

Fan for an aircraft engine

Abstract

The invention relates to a fan for an aircraft engine, in particular a gas turbine aircraft engine, wherein the fan has a fan rotor (13) with fan blades (14) extending radially outward from a hub to an outer channel wall (16) of a fan flow channel an auxiliary rotor (18) positioned upstream of the fan rotor (13) and having attachment blades (19) extending radially outward from a hub and terminating at a distance from the outer passage wall (16) of the fan flow passage. According to the attachment rotor (18) and the fan rotor (13) are designed as separate rotors, wherein the attachment rotor (18) can be driven at a higher speed as the fan rotor (13).

EP1632672A3, drawing sheet 1 — Sheet 1 of 1

Term

Term ended

Projected expiry passed 26 August 2025, 1.1 years ago.

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
GB1197711A	Cites	United Kingdom	A	Search report	1,13,14
US3729957A	Cites	United States of America	XI	Search report	1,2,4,5,12,15,20
US4651521A	Cites	United States of America	A	Search report	1,3,6-12
US6209311B1	Cites	United States of America	X	Search report	1,3,6,16,18,20

6 members in 3 offices; this record represents the family

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
Document	Office	Kind	Date
102004042739	Germany	–	2004-09-03
102004042739	Germany	A	2004-09-03

Members6

Family members, oldest first
Document	Office	Kind
EP1632672A2	European Patent Office (EPO)	A2	2006-03-08
DE102004042739A1	Germany	A1	2006-03-09
US2006059887A1	United States of America	A1	2006-03-23
US7765786B2	United States of America	B2	2010-08-03
EP1632672A3This record	European Patent Office (EPO)	A3	2011-11-16
EP1632672B1	European Patent Office (EPO)	B1	2013-02-27

33 legal events, as 4 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2021-08-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2021-07-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2021-07-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2021-04-28	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2021-03-02	Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119	R119	DE
2019-12-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2019-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2019-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2018-08-24	Fee paymentPLFP	PLFP	FR
2017-08-23	Fee paymentPLFP	PLFP	FR
2016-08-25	Fee paymentPLFP	PLFP	FR
2014-03-13	No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097	R097	DE
2014-02-05	No opposition filedOpposition26N	26N	EP
2014-01-03	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
2014-01-03	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
2013-04-25	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2013-02-27	Designated contracting statesAK	AK	EP
2013-02-27	European patent grantedGrantedNOT ENGLISHFG4D	FG4D	GB
2013-01-25	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2013-01-18	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2012-11-26	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2012-07-25	Designation fees paidAKX	AKX	EP
2012-06-27	Request for examination filed17P	17P	EP
2011-11-16	Designated contracting statesAK	AK	EP
2011-11-16	Request for extension of the european patentAX	AX	EP
2011-11-16	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2011-11-16	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2011-11-16	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2011-11-16	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2011-10-14	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
2006-03-08	Designated contracting statesAK	AK	EP
2006-03-08	Request for extension of the european patentAX	AX	EP
2006-01-20	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Fan for an aircraft engine

Abstract

Term

Priority claims2

Members6

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Events

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Titles3

Classification

Designated states36