EP 2479377 A2 20120725 - Steam turbine rotor with mechanically coupled high and low temperature sections using different materials
Title (en)
Steam turbine rotor with mechanically coupled high and low temperature sections using different materials
Title (de)
Dampfturbinenrotor mit mechanisch gekoppelten Hoch- und Niedertemperaturabschnitten durch die Verwendung unterschiedlicher Materialien
Title (fr)
Rotor de turbine à vapeur avec sections à température élevée et basse couplée mécaniquement utilisant différents matériaux
Publication
Application
Priority
US 98550811 A 20110106
Abstract (en)
A turbine rotor including an elongated shaft having at least an HP region 12, the HP region having a first section supporting a stage 1 rotor wheel 14 and a second section supporting a stage 2 rotor wheel 16, the first section formed of a relatively higher-temperature-capability material and the second section formed of a relatively lower-temperature-capability material. Various mechanical couplings 26, 28, 30, 32 are described for securing the first and second sections.
IPC 8 full level
CPC (source: EP US)
F01D 5/026 (2013.01 - EP US); F01D 5/066 (2013.01 - EP US); F05D 2300/502 (2013.01 - EP US); F05D 2300/50212 (2013.01 - EP 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 2479377 A2 20120725; CN 102587996 A 20120718; JP 2012145104 A 20120802; RU 2011154008 A 20130710; US 2012177494 A1 20120712
DOCDB simple family (application)
EP 11195293 A 20111222; CN 201210014130 A 20120106; JP 2011287521 A 20111228; RU 2011154008 A 20111229; US 98550811 A 20110106