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Flexible Support Structure For A Geared Architecture Gas Turbine Engine - EP3045684

The patent EP3045684 was granted to Raytheon on Mar 4, 2020. The application was originally filed on Jun 1, 2012 under application number EP16159312A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3045684

RAYTHEON
Application Number
EP16159312A
Filing Date
Jun 1, 2012
Status
Granted And Under Opposition
Jan 31, 2020
Publication Date
Mar 4, 2020
External Links
Slate, Register, Google Patents

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ROLLS ROYCEDec 2, 2020ROLLS ROYCEADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
OPPOSITIONUS2010105516
OPPOSITIONUS2011130246
OPPOSITIONUS5433674
OPPOSITIONUS6223616
OTHEREP3051078
OTHERUS5433674
OTHERUS6223616
SEARCHEP2270361
SEARCHUS2010105516
SEARCHUS5433674
SEARCHUS6223616

Non-Patent Literature (NPL) Citations (11) 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
EXAMINATION- Miguel Amezketa ET AL, "Dynamic Model of a Helical Gear Pair With Backlash and Angle-Varying Mesh Stiffness", Multibody Dynamics 2009 ECCOMAS Thermatic Conference, (20090629), pages 1 - 17, XP055496410
OPPOSITION- Anonymous, "Design Manual for Enclosed Epicyclic Gear Drives", American National Standard ANSI/AGMA 6123-B06, (20060101), XP055510150
OPPOSITION- Anonymous, "Stiffness", Wikipedia, the free encyclopedia, (20180516), URL: https://en.wikipedia.org/wiki/Stiffness, XP055510123
OPPOSITION- AVINASH SINGH, "Load Sharing Behaviour in Epicyclic Gears: Physical Explanation and Generalized Formulation", Mechanism and Machine Theory, (20091124), vol. 45, pages 511 - 530, XP026812466
OPPOSITION- BOYD et al., "Expansion of Epicyclic Gear Dynamic Analysis Program; Final Report", NASA CR-179563, (19860800), XP055510174
OPPOSITION- GRAY et al., "Energy Efficient Engine Preliminary Design and Integration Studies", NASA CR-135396, (19781100), pages 1 - 366, XP055280688
OPPOSITION- Mccarthy et al, "Design and Selection of Components for Enclosed Gear Drives", American National Standard ANSI/AGMA 6001-D97, (19970807), XP055496417
OPPOSITION- "Quiet Clean Short-haul Experimental Engine (QCSEE) Main Reduction Gears", Detailed Design Final Report NASA CR-134872, (19750301), page 222p, XP055497364
OTHER- AMEZKETA et al., "Dynamic Model of a Helical Gear Pair With Backlash and Angle-Varying Mesh Stiffness", Multibody Dynamics 2009 ECCOMAS Thermatic Conference, (20090629), pages 1 - 17, XP055496410
OTHER- "Quiet Clean Short-Haul Experimental Engine (QCSEE) Main Reduction Gears", Detailed Design Final Report NASA CR-134872, (19750300), page 222pp, XP055497364
SEARCH[ ] - GRZEGORZ LITAK ET AL, "Dynamics of a Gear System with Faults in Meshing Stiffness", NONLINEAR DYNAMICS, KLUWER ACADEMIC PUBLISHERS, DO, (20050901), vol. 41, no. 4, ISSN 1573-269X, pages 415 - 421, XP019261323 [ ] * the whole document *

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