EP2093384A3
Filter system for blade outer air seal
Abstract
A gas turbine engine component (54) has a filter (86) mounted adjacent an impingement cavity (80) to filter particles out of a secondary cooling airflow outboard of a cooling channel (84) in communication with the secondary cooling airflow.

Term
2.2 yearsto projected expiry
Projected expiry 11 December 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 | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0893577A1 | Cites | European Patent Office (EPO) | X | Search report | 1-15 |
| EP1533478A2 | Cites | European Patent Office (EPO) | X | Search report | 1-3,5-8,10-15 |
| EP1887191A2 | Cites | European Patent Office (EPO) | X | Search report | 1-8,10-15 |
| US2004047725A1 | Cites | United States of America | X | Search report | 1-8,10-15 |
6 members in 2 offices; this record represents the family
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 36267 | United States of America | – | |
| 3626708 | United States of America | A |
Members6
| Document | Office | Kind | |
|---|---|---|---|
| EP2093384A2 | European Patent Office (EPO) | A2 | |
| US2009214329A1 | United States of America | A1 | |
| EP2093384A3This record | European Patent Office (EPO) | A3 | |
| US8439639B2 | United States of America | B2 | |
| EP2093384B1 | European Patent Office (EPO) | B1 | |
| EP2093384B2 | European Patent Office (EPO) | B2 |
49 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| 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 | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Opt-out of the competence of the unified patent court (upc) registeredP01 | P01 | EP | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Patent maintained in amended form27A | 27A | EP | |
| Designated contracting statesAK | AK | EP | |
| Epo decision maintaining patent in amended form now finalR102 | R102 | DE | |
| Patent maintained in amended formORIGINAL CODE: 0009272PUAH | PUAH | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: PATENT MAINTAINED AS AMENDEDSTAA | STAA | EP | |
| Appeal procedure closedAppealORIGINAL CODE: EPIDOSNNOA9OAPBU | APBU | EP | |
| Appeal reference modifiedAppealORIGINAL CODE: EPIDOSCREFNOAPAH | APAH | EP | |
| Appeal reference recordedAppealORIGINAL CODE: EPIDOSNREFNOAPBM | APBM | EP | |
| Date of receipt of notice of appeal recordedAppealORIGINAL CODE: EPIDOSNNOA2OAPBP | APBP | EP | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of representativeR082 | R082 | DE | |
| Change of representativeR082 | R082 | DE | |
| Opposition filed (corrected)OppositionR26 | R26 | EP | |
| Party data changed (patent owner data changed or rights of a patent transferred)RAP2 | RAP2 | EP | |
| Opposition data, opponent's data or that of the opponent's representative modifiedOppositionORIGINAL CODE: 0009299OPPOPLAB | PLAB | EP | |
| Reply of patent proprietor to notice(s) of opposition receivedOppositionORIGINAL CODE: EPIDOSNOBS3PLBB | PLBB | EP | |
| Information modified related to communication of a notice of opposition and request to file observations + time limitOppositionORIGINAL CODE: EPIDOSCOBS2PLAF | PLAF | EP | |
| Opposition filedOpposition26 | 26 | EP | |
| Notice of opposition and request to file observation + time limit sentOppositionORIGINAL CODE: EPIDOSNOBS2PLAX | PLAX | EP | |
| Opposition filedOppositionORIGINAL CODE: 0009260PLBI | PLBI | EP | |
| Opposition filed against patentOppositionR026 | R026 | DE | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | 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 | |
| First examination report despatched17Q | 17Q | 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 | |
| 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
- 2093384
- Application
- 82539644
Titles3
- German
- Filtersystem für eine Außendichtung einer Turbinenschaufel
- English
- Filter system for blade outer air seal
- French
- Système de filtre pour un joint d'air externes de lames
Classification
- CPC, 7
- F01D11/08
- F01D5/187
- F01D25/002
- F01D25/12
- F05D2260/201
- F05D2260/607
- Y02T50/60
- IPC, 4
- F01D11 08
- F01D25 00
- F01D5 18
- F01D25 12
Designated states38
- Contracting states, 34
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Croatia
- Hungary
- Ireland
- Iceland
- Italy
- Liechtenstein
- Lithuania
- Luxembourg
- Latvia
- Monaco
and 10 moreShow fewer
- Malta
- Netherlands (Kingdom of the)
- Norway
- Poland
- Portugal
- Romania
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 4
- Albania
- Bosnia and Herzegovina
- North Macedonia
- Serbia