EP 1767745 A2 20070328 - Integrated nozzle and bucket wheel for a reaction steam turbine and method of manufacture
Title (en)
Integrated nozzle and bucket wheel for a reaction steam turbine and method of manufacture
Title (de)
Leitschaufelrad einer Reaktionsdampfturbine sowie Verfahren zu dessen Herstellung
Title (fr)
Couronne d'aubes directrices d'une turbine à vapeur à réaction et procédé de production
Publication
Application
Priority
US 23305705 A 20050923
Abstract (en)
Integrated nozzle and bucket wheels (10, 44) for turbine stator and rotor components, respectively, include a three hundred sixty degree wheel formed from a single piece of stock material. The nozzle wheels (10) include radially inner portions formed to include a plurality of airfoils (16), while the bucket wheels are each formed to include a plurality of buckets (54). The nozzle and bucket wheels may be split into plural arcuate segments.
IPC 8 full level
CPC (source: EP US)
F01D 5/34 (2013.01 - EP US); F01D 9/041 (2013.01 - EP US); F05D 2230/10 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1767745 A2 20070328; CN 1936276 A 20070328; JP 2007085351 A 20070405; US 2007071605 A1 20070329
DOCDB simple family (application)
EP 06254839 A 20060918; CN 200610139535 A 20060922; JP 2006256901 A 20060922; US 23305705 A 20050923