EP 2428642 A1 20120314 - Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis
Title (en)
Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis
Title (de)
Rotor für eine Dampfturbine mit zur Rotorachse geneigten Umfangsausnehmungen
Title (fr)
Rotor pour une turbine à vapeur avec des exclusions de matière sur sa circonférence inclinées par rapport à l'axe du rotor
Publication
Application
Priority
EP 10175762 A 20100908
Abstract (en)
The rotor has a releasing area and multiple recesses (15), which are arranged in the circumferential direction (16). The recesses are arranged at equidistant intervals to each other. The recesses are identical to each other and are formed in an elongated manner. The recess is inclined to a rotational axis at an angle, which lies between 10 degrees and 80 degrees.
Abstract (de)
Die Erfindung betrifft einen Rotor (5) für eine Strömungsmaschine mit einem Entlastungsbereich, wobei der Entlastungsbereich durch mehrere in Umfangsrichtung (16) angeordnete Ausnehmungen (15) gekennzeichnet ist, wobei die Ausnehmungen (15) in etwa schraubenförmig verlaufen.
IPC 8 full level
F01D 5/08 (2006.01)
CPC (source: EP)
F01D 1/04 (2013.01); F01D 5/08 (2013.01); F05D 2220/31 (2013.01); F05D 2240/20 (2013.01); F05D 2250/13 (2013.01); F05D 2250/314 (2013.01); F05D 2260/94 (2013.01); F05D 2260/941 (2013.01)
Citation (search report)
- [X] US 5997264 A 19991207 - KLEIN MANFRED P [US], et al
- [X] US 5492447 A 19960220 - MANNAVA SEETHARAMAIAH [US], et al
- [X] WO 0031394 A2 20000602 - HEAP ROLAND GRANT [GB]
- [X] EP 1052371 A2 20001115 - GEN ELECTRIC [US]
- [X] CH 437923 A 19670615 - UFENAST FRIEDRICH ALBERT [CH]
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 SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
EP 2428642 A1 20120314; CN 103097665 A 20130508; CN 103097665 B 20150401; EP 2614220 A1 20130717; EP 2614220 B1 20150715; WO 2012031931 A1 20120315
DOCDB simple family (application)
EP 10175762 A 20100908; CN 201180043522 A 20110829; EP 11751877 A 20110829; EP 2011064824 W 20110829