EP 2110559 A3 20150325 - Turbo machine with fluid re-injection to influence the boundary layer
Title (en)
Turbo machine with fluid re-injection to influence the boundary layer
Title (de)
Strömungsmaschine mit Fluidrückfuhr zur Grenzschichtbeeinflussung
Title (fr)
Turbomachine avec réinjection de fluide pour influencer la couche limite
Publication
Application
Priority
DE 102008019603 A 20080418
Abstract (en)
[origin: EP2110559A2] The machine has a main flow path confined by a wall, and a row of blades e.g. rotor blades or stator vanes, fixedly mounted on the wall. A fluid intake opening (9) and fluid supply opening (10) are located in the wall in an area of the blades, where the openings are connected by a fluid return path (11). A circumferential extension of the supply opening is less than distance between two adjacent blades. One blade has a blade section with a profile camber comprising an angular difference of 35 degrees of tangents drawn on a profile skeleton line at leading and trailing edges of the blade.
IPC 8 full level
F04D 29/32 (2006.01); F04D 29/52 (2006.01); F04D 29/68 (2006.01)
CPC (source: EP US)
F04D 29/321 (2013.01 - EP US); F04D 29/542 (2013.01 - EP US); F04D 29/563 (2013.01 - EP US); F04D 29/681 (2013.01 - EP US); F04D 29/682 (2013.01 - EP US); F04D 29/684 (2013.01 - EP US); F01D 17/162 (2013.01 - EP US)
Citation (search report)
- [XI] US 4146352 A 19790327 - YASUGAHIRA NORIO, et al
- [XI] CH 204331 A 19390430 - RHEINMETALL BORSIG AG [DE]
- [XI] EP 1659293 A2 20060524 - ROLLS ROYCE DEUTSCHLAND [DE]
- [XI] EP 1286022 A1 20030226 - UNITED TECHNOLOGIES CORP [US]
- [A] EP 1609999 A2 20051228 - ROLLS ROYCE DEUTSCHLAND [DE]
- [A] EP 0497574 A1 19920805 - UNITED TECHNOLOGIES CORP [US]
- [AD] EP 1382855 B1 20061025 - ROLLS ROYCE DEUTSCHLAND [DE]
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)
EP 2110559 A2 20091021; EP 2110559 A3 20150325; EP 2110559 B1 20181212; DE 102008019603 A1 20091022; US 2009263233 A1 20091022; US 8043046 B2 20111025
DOCDB simple family (application)
EP 09003693 A 20090313; DE 102008019603 A 20080418; US 38576709 A 20090417