EP 2297445 A1 20110323 - DUAL-FLOW TURBINE ENGINE FOR AIRCRAFT WITH LOW NOISE EMISSION
Title (en)
DUAL-FLOW TURBINE ENGINE FOR AIRCRAFT WITH LOW NOISE EMISSION
Title (de)
DOPPELSTROMTURBINENTRIEBWERK FÜR FLUGZEUG MIT VERMINDERTER GERÄUSCHENTWICKLUNG
Title (fr)
TURBOMOTEUR À DOUBLE FLUX POUR AÉRONEF À ÉMISSION DE BRUIT RÉDUITE
Publication
Application
Priority
- FR 2009000515 W 20090430
- FR 0802540 A 20080507
Abstract (en)
[origin: WO2009138597A1] The invention relates to a dual-flow turbine engine for an aircraft with low noise emission, wherein the opening (6) for the cold flow (9) of the turbine engine is provided with short, narrow, and spaced chevrons (15) that penetrate deeply, like claws, into said cold flow (9).
IPC 8 full level
CPC (source: EP US)
F02K 1/386 (2013.01 - EP US); F02K 1/48 (2013.01 - EP US); F05D 2250/11 (2013.01 - EP US); F05D 2250/13 (2013.01 - EP US); F05D 2250/182 (2013.01 - EP US); F05D 2250/184 (2013.01 - EP US)
Citation (search report)
See references of WO 2009138597A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
FR 2930972 A1 20091113; FR 2930972 B1 20121130; BR PI0908325 A2 20180717; CA 2721227 A1 20091119; CN 102105670 A 20110622; EP 2297445 A1 20110323; JP 2011520064 A 20110714; RU 2449150 C1 20120427; US 2011047960 A1 20110303; WO 2009138597 A1 20091119
DOCDB simple family (application)
FR 0802540 A 20080507; BR PI0908325 A 20090430; CA 2721227 A 20090430; CN 200980116233 A 20090430; EP 09745916 A 20090430; FR 2009000515 W 20090430; JP 2011507958 A 20090430; RU 2010149962 A 20090430; US 99073309 A 20090430