EP 3006672 A1 20160413 - Device for influencing the flow in a turbomachine
Title (en)
Device for influencing the flow in a turbomachine
Title (de)
Vorrichtung zur Beeinflussung der Strömung in einer Turbomaschine
Title (fr)
Dispositif destiné à influencer l'écoulement dans une turbomachine
Publication
Application
Priority
EP 14188515 A 20141010
Abstract (en)
[origin: WO2016055606A1] The invention relates to a device (10) for influencing the flow in a turbomachine (1), which device comprises a housing (1a) and at least one blade ring (9), which has a plurality of blades (15) and rotates within the housing (1a). There is a gap (11) between the housing (1a) and the blade ring (9), which gap is continuous in the axial direction (x) and has a discontinuous height around the periphery of the blade ring (9). By means of the gap, the gap flow over the blade ring (9) is locally increased and the flow in the boundary layer with respect to the housing (1a) is stabilized.
Abstract (de)
Eine Vorrichtung (10) zur Beeinflussung der Strömung in einer Turbomaschine (1) weist ein Gehäuse (1a) und wenigstens einen, mehrere Schaufeln (15) aufweisenden, innerhalb des Gehäuses (1a) rotierenden Schaufelkranz (9) auf. Zwischen dem Gehäuse (1a) und dem Schaufelkranz (9) befindet sich ein um den Umfang des Schaufelkranzes (9) eine diskontinuierliche Höhe aufweisender Spalt (11).
IPC 8 full level
F01D 5/20 (2006.01); F01D 11/08 (2006.01)
CPC (source: EP)
F01D 5/20 (2013.01); F01D 11/08 (2013.01)
Citation (applicant)
- US 2012102956 A1 20120503 - NANDA DEEPESH D [IN], et al
- B. A. REICHERT; B. J. WENDT: "fmproving curved subsonic diffuser performance with vortex generators", AIAA-JOURNAL, vol. 34, no. 1, 1996
- M. NISHI; Y. KOUICHI; M. KEISUKE: "Controt of separation in a conical diffuser by vortex generator jets", JSME SERIES B, vol. 41, no. 1, 1998
- S. FAROKHI: "A Trade-Off Study of Rotor Tip Clearance Flow in a Turbine/Exhaust Diffuser System", ASME-PAPER NO. 87-CT-214, 1989
Citation (search report)
- [XAI] EP 0702130 A2 19960320 - MTU MUENCHEN GMBH [DE]
- [XI] EP 2538024 A1 20121226 - ALSTOM TECHNOLOGY LTD [CH]
- [XI] US 2007237627 A1 20071011 - BUNKER RONALD S [US]
- [XI] EP 1413712 A1 20040428 - SIEMENS AG [DE]
- [XI] WO 0225065 A1 20020328 - ALSTOM SWITZERLAND LTD [CH], et al
- [X] EP 0256790 A2 19880224 - GARRETT CORP [US]
- [X] DE 102012106175 A1 20130117 - GEN ELECTRIC [US]
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3006672 A1 20160413; EP 3204614 A1 20170816; EP 3204614 B1 20220126; WO 2016055606 A1 20160414
DOCDB simple family (application)
EP 14188515 A 20141010; EP 15778648 A 20151009; EP 2015073362 W 20151009