EP1632648A3

Gas turbine flow path

Abstract

The invention relates to a flow structure for a gas turbine, in particular for an aircraft engine, in a transition channel (10) between two compressors or in a transitional channel between two turbines or in a transition duct of a turbine exhaust casing downstream of a low pressure turbine, with in the transition channel (10) positioned in Circumferential direction of the transition channel spaced support ribs (15). According to the invention, a channel wall (19) bounding the transition channel (10) radially inside and / or a channel wall (20) bounding the transition channel (10) radially in the region of the flow outlet edges (17) of the support ribs (15) are inwardly into the transition channel (10) pulled into it.

EP1632648A3, 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
GB2267736A	Cites	United Kingdom	XI	Search report	1-3,7-9
US2392673A	Cites	United States of America	X	Search report	1,2,5,6,9
US2735612A	Cites	United States of America	X	Search report	1
US2990106A	Cites	United States of America	A	Search report	1-11
US3104525A	Cites	United States of America	X	Search report	1-3,7,8,11
DE3202855C1	Cites	Germany	A	Search report	1-11
US4677828A	Cites	United States of America	A	Search report	1-11
JPH06257597A	Cites	Japan	A	Search report	1,2,5-11

6 members in 3 offices; this record represents the family

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
Document	Office	Kind	Date
102004042699	Germany	–	2004-09-03
102004042699	Germany	A	2004-09-03

Members6

Family members, oldest first
Document	Office	Kind
EP1632648A2	European Patent Office (EPO)	A2	2006-03-08
DE102004042699A1	Germany	A1	2006-03-09
US2006051200A1	United States of America	A1	2006-03-09
US7517192B2	United States of America	B2	2009-04-14
EP1632648A3This record	European Patent Office (EPO)	A3	2012-05-23
EP1632648B1	European Patent Office (EPO)	B1	2013-07-24

73 legal events, as 9 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
2015-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2015-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2015-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2015-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-11-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-10-15	Lapse because of not paying annual feesLapsedMM01	MM01	AT
2014-08-07	No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097	R097	DE
2014-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-07-02	No opposition filedOpposition26N	26N	EP
2014-05-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-05-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-05-30	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
2014-05-30	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
2014-05-21	Patent lapsedLapsedMM4A	MM4A	IE
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-03-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-03-31	Patent ceasedCeasedPL	PL	CH
2014-02-28	Be: lapsedLapsedBERE	BERE	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-12-27	Invalidated european patentMG4D	MG4D	LT
2013-12-18	Discontinued in the netherlands as no translation has been filedVDEP	VDEP	NL
2013-09-19	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2013-08-28	European patents granted designating irelandGrantedLANGUAGE OF EP DOCUMENT: GERMANFG4D	FG4D	IE
2013-08-15	Reference to at number (ep patent enters austrian national phase)REF	REF	AT
2013-07-31	European patent takes effect as a national patent in ch/liEP	EP	CH
2013-07-24	Designated contracting statesAK	AK	EP
2013-07-24	European patent grantedGrantedNOT ENGLISHFG4D	FG4D	GB
2013-06-21	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2013-06-14	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2013-03-19	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2013-01-30	Designation fees paidAKX	AKX	EP
2013-01-09	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2013-01-09	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2013-01-09	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2013-01-02	Request for examination filed17P	17P	EP
2012-05-23	Designated contracting statesAK	AK	EP
2012-05-23	Request for extension of the european patentAX	AX	EP
2012-05-23	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2012-05-23	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2012-05-23	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2012-04-21	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

Gas turbine flow path

Abstract

Term

Priority claims2

Members6

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Events

Numbers

Titles3

Classification

Designated states36