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Gas Turbine Engine Architecture With Low Pressure Compressor Hub Between High And Low Rotor Thrust Bearings - EP2597292

The patent EP2597292 was granted to Raytheon on Mar 19, 2025. The application was originally filed on Nov 15, 2012 under application number EP12192792A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2597292

RAYTHEON
Application Number
EP12192792A
Filing Date
Nov 15, 2012
Status
Patent Maintained As Amended
Feb 14, 2025
Publication Date
Mar 19, 2025
External Links
Slate, Register, Google Patents

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SAFRAN AIRCRAFT ENGINESMay 11, 2021REGIMBEAU -

Patent Citations (12) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
EXAMINATIONUS2011123326
OPPOSITIONEP1921253
OPPOSITIONEP2327859
OPPOSITIONEP2535527
OPPOSITIONGB2199375
OPPOSITIONUS2011123326
OPPOSITIONUS5433674
OTHERUS2011123326
SEARCHEP1564397
SEARCHEP1921253
SEARCHGB2199375
SEARCHUS3434288

Non-Patent Literature (NPL) Citations (8) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "TFE731-3 to -3D, Engine Upgrade Program", Honeywell, (20051000), pages 1 - 4, XP055837867
OPPOSITION- D. E. GRAY et al., "Energy Efficient Engine, Preliminary Design and Integration 01/11/1978 D11 Studies", NASA, CR-135396, (19781101), pages 1 - 356, XP055280688
OPPOSITION- MTU, "NEW Aero Engine Core Concepts", NEWAC, (20070703), pages 1 - 4, XP055837859
OPPOSITION- STEPHAN SERVATY, "New Aero engine Core Concepts for an environmentally friendly air traffic of the future", MTU Aero Engines, (20110331), pages 1 - 11, XP055507846
OPPOSITION- Treager Irwin, "Aircraft Gas Turbine 1995 D9 Engine Technology", GLENCOE Aviation Technology Series, (19950000), pages 1 - 30, XP055837864
OTHER- MTU, "NEWAC-NEW Aero Engine Core Concepts", (20070703), pages 1 - 4
OTHER- Stephan Servaty, "New Aero engine Core concepts for an environmentally friendly air traffic of the future", Sixth European Aeronautics Days -Aerodays 2011, (20110331), pages 1 - 11, XP055507846
OTHER- Joachim Kurzke, "Fundamental Differences Between Conventional and Geared Turbofans", Proceedings of ASME Turbo Expo 2009: Power for Land, Sea and Air, GT2009-59745,, vol. 1, (20090608), pages 145 - 153, XP055459767

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Dossier Documents

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