IP Verse

Geared Architecture For High Speed And Small Volume Fan Drive Turbine - EP2811120

The patent EP2811120 was granted to Raytheon on Jul 12, 2017. The application was originally filed on Feb 17, 2014 under application number EP14155460A. The patent is currently recorded with a legal status of "Revoked".

EP2811120

RAYTHEON
Application Number
EP14155460A
Filing Date
Feb 17, 2014
Status
Revoked
May 13, 2022
Grant Date
Jul 12, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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ROLLS ROYCEApr 13, 2018ROLLS ROYCEDEEMED NOT TO HAVE BEEN FILED
SAFRAN AIRCRAFT ENGINESApr 12, 2018REGIMBEAUADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS7338259
DESCRIPTIONUS7871247
EXAMINATIONUS2013259653
OPPOSITIONEP2532841
OPPOSITIONEP2532858
OPPOSITIONUS6223616
OPPOSITIONUS7828682
SEARCHEP2532841
SEARCHWO2014047040

Non-Patent Literature (NPL) Citations (15) New

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

Citation PhaseReference TextLink
EXAMINATION- Dale Rauch, "DESIGN STUDY OF AN AIR PUMP AND INTEGRAL LIFT ENGINE ALF-504 USING THE LYCOMING 502 CORE", NASA Report CR-120992, (19720731), URL: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730004744.pdf, (20160517), XP055273059-
OPPOSITION- BRUCE E. WENDUS et al., "Follow-On Technology Requirement Study for Advanced Subsonic Transport", NASA, (20030800), pages iii - 48, XP055279476-
OPPOSITION- C.N. REYNOLDS et al., "Advanced prop-fan engine technology (APET) single- and counter- rotation gearbox/pitch change mechanism", NASA CONTRACTOR REPORT 168114, vol. 1, (19850700), URL: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19870019119.pdf, XP055478590-
OPPOSITION- C. RIEGLER et al., "THE GEARED TURBOFAN TECHNOLOGY - OPPORTUNITES, CHALLENGED AND READINESS STATUS", proceedings CEAS 2007, (20070911), XP055195802-
OPPOSITION- D.E. GRAY et al., "Energy Efficient Engine Preliminary Design and Integration Studies", NASA CR-135396, pages 1 - 366, XP055280688-
OPPOSITION- ELODIE ROUX, "Chapter 1 List of variables", Turbofan and Turbojet Engines Database Handbook, pages 41 - 43, 464-469, XP055481222-
OPPOSITION- FATHI AHMAD, "Single vs. two stage high pressure turbine design of modern aero engines", International Gas Turbine & Aeroengine Congress et Exhibition, (19990600), XP055481234-
OPPOSITION- JOACHIM KURKZE, "Gas Turb 12 Design and Off-Design Performance of Gas Turbines", (20120000), pages 5 - 312-
OPPOSITION- "Learjet 31 and 35/36 TFE731-2 to -2C Engine Upgrade Program", Honeywell, (20050900), XP055481218-
OPPOSITION- MARK H. WATERS et al., "Analysis of turbofan propulsion system weight and dimensions", NASA TM-X-73, (19770000), vol. 199, pages 1 - 65, XP055306421-
OPPOSITION- Méthodologie de mesure et de calcul sur les modèles TFE731-2, TFE731-3A et TFE731- - 3D-
OPPOSITION- "Sabreliner 65 TFE731-3 to -3D Engine Upgrade Program", Honeywell, (20051000), XP055481212-
OPPOSITION- "TFE731", Garrett, (19870000), XP055481195-
OPPOSITION- "Type certificate data sheet No. E6WE", Department of transportation Federal Aviation Administration, (20000509), XP055481226-
OPPOSITION- JOACHIM KURZKE, "Fundamental Differences Between Conventional and Geared Turbofans", Proceedings of ASME Turbo Expo 2009: Power for Land, Sea and Air, GT2009-59745, (20090600), pages 145 - 153, XP055481228

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