EP1510653A3
Cooled turbine blade
Abstract
A turbine blade (120, 130) is presented which has a nose cavity (37) in the region of a leading edge (13), wherein the leading edge (13) can be cooled by impingement cooling, which has an inner cavity (46) which is at least partially meander-shaped , and having a crown pocket as a cavity (43) in the region of the blade tip (19), which is connected to the nose cavity (37), so that the cooling of the turbine blade is improved.
Term
Term ended
Projected expiry passed 17 October 2023, 2.9 years ago.
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1 sheet
Sheet 1
Every citation, both waysCites: the store holds 5 of 6
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0340149A1 | Cites | European Patent Office (EPO) | X | Search report | 1,2,4,7,8,10,11 |
| EP1197635A2 | Cites | European Patent Office (EPO) | DXY | Search report | 1-5,8,11 |
| EP1217171A2 | Cites | European Patent Office (EPO) | A | Search report | 11 |
| US5403159A | Cites | United States of America | X | Search report | 1,2,4,7,8,11 |
| SU565991A1 | Cites | Soviet Union (until 1991) | Y | Search report | 6 |
| PATENT ABSTRACTS OF JAPAN vol. 009, no. 111 (M - 379) 15 May 1985 (1985-05-15) | Non-patent | – | – | Search report | – |
6 members in 3 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 10334899 | Germany | A | |
| 10334899 | Germany | A | |
| 10334899 | Germany | – | |
| 10334899 | – | – | – |
| DE2003134899 | – | – | – |
Members6
| Document | Office | Kind | |
|---|---|---|---|
| EP1510653A2 | European Patent Office (EPO) | A2 | |
| US2005084370A1 | United States of America | A1 | |
| US7104757B2 | United States of America | B2 | |
| EP1510653A3This record | European Patent Office (EPO) | A3 | |
| EP1510653B1 | European Patent Office (EPO) | B1 | |
| DE50309922D1 | Germany | D1 |
37 legal events, as 4 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| 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 | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Patent ceasedCeasedPL | PL | CH | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)REGISTERED BETWEEN 20220811 AND 20220817732E | 732E | GB | |
| 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 | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of address of patent owner(s)NEW ADDRESS: WERNER-VON-SIEMENS-STRASSE 1, 80333 MUENCHEN (DE)PCOW | PCOW | CH | |
| 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 | |
| Change of the address of the representativeSIEMENS SCHWEIZ AG;INTELLECTUAL PROPERTY FREILAGERSTRASSE 40;8047 ZUERICH (CH)PCAR | PCAR | CH | |
| New agentNV | NV | CH | |
| Corresponds to:REF | REF | EP | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedNOT ENGLISHFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Designation fees paidAKX | AKX | EP | |
| Request for examination filed17P | 17P | 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 | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | 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
- 1510653
- Publication, DOCDB
- 1510653
- Publication, EPODOC
- EP1510653
- Application
- 3023643
- Application, DOCDB
- 03023643
- Application, EPODOC
- EP20030023643
Titles3
- German
- Gekühlte Turbinenschaufel
- English
- Cooled turbine blade
- French
- Aube de turbine refroidie
Classification
- CPC, 9
- F01D5/188
- F01D5/16
- F01D5/187
- F05D2240/121
- F05D2240/303
- F05D2250/185
- F05D2260/201
- F05D2260/22141
- Y02T50/60
- IPC, 2
- F01D5 18
- F01D5 16
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- North Macedonia