EP 2329150 A1 20110608 - AXIAL TURBOMACHINE HAVING ASYMMETRICAL COMPRESSOR INLET GUIDE BAFFLE
Title (en)
AXIAL TURBOMACHINE HAVING ASYMMETRICAL COMPRESSOR INLET GUIDE BAFFLE
Title (de)
AXIALE STRÖMUNGSMASCHINE MIT ASYMMETRISCHEM VERDICHTEREINTRITTSLEITGITTER
Title (fr)
TURBOMACHINE AXIAL À GRILLE DE GUIDAGE D'ENTRÉE DU COMPRESSEUR ASYMÉTRIQUE
Publication
Application
Priority
- DE 2009001281 W 20090909
- DE 102008049358 A 20080929
Abstract (en)
[origin: WO2010034285A1] An axial turbomachine having an asymmetrical air inlet and a compressor which is connected downstream of the air inlet and has an inlet guide baffle formed by guide vanes is characterized in that at least individual guide vanes of the inlet guide baffle have a blade profile that deviates from the remaining guide vanes and/or a deviating angle of attack. In this way, the inlet flow angle of the first compressor stage is evened out symmetrically over the periphery. This is achieved in that the different inlet angles caused by the asymmetry of the air inlet on different peripheral positions of the inlet guide baffle are influenced by specific profiles and/or specific changes of the angle of attack of individual guide vanes such that this results in an outflow angle out of the inlet guide ring which is symmetrical over the periphery. In this way, the peripheral interference caused by the asymmetrical air inlet is minimized and the first compressor stage is provided with substantially peripherally symmetrical inlet conditions, resulting in improved stability and improved efficiency of the compressor.
IPC 8 full level
F04D 29/54 (2006.01)
CPC (source: EP US)
F04D 29/544 (2013.01 - EP US)
Citation (search report)
See references of WO 2010034285A1
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 SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
WO 2010034285 A1 20100401; CA 2738201 A1 20100401; CN 102165198 A 20110824; DE 102008049358 A1 20100401; EP 2329150 A1 20110608; EP 2329150 B1 20180321; US 2011164967 A1 20110707
DOCDB simple family (application)
DE 2009001281 W 20090909; CA 2738201 A 20090909; CN 200980137687 A 20090909; DE 102008049358 A 20080929; EP 09737335 A 20090909; US 99807609 A 20090909