Global Patent Index - EP 1722070 A2

EP 1722070 A2 20061115 - Method of manufacturing segmented stators for a steam turbine

Title (en)

Method of manufacturing segmented stators for a steam turbine

Title (de)

Methode zur Herstellung von Statorsegmenten einer Dampfturbine

Title (fr)

Méthode de fabrication de segments statoriques pour une turbine à vapeur

Publication

EP 1722070 A2 20061115 (EN)

Application

EP 06252184 A 20060422

Priority

US 11537105 A 20050427

Abstract (en)

A method of manufacturing reaction nozzles for a turbine comprising (a) providing a piece of flat plate stock (38) of predetermined size and thickness; and (b) machining the piece of flat plate stock to form a unitary, arcuate reaction nozzle segment (24) including at least two adjacent nozzle airfoils (26).

IPC 8 full level

F01D 9/02 (2006.01); F01D 9/04 (2006.01)

CPC (source: EP US)

F01D 9/02 (2013.01 - EP US); F01D 9/04 (2013.01 - EP US); F01D 9/041 (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 1722070 A2 20061115; EP 1722070 A3 20111012; CN 1880731 A 20061220; CN 1880731 B 20100512; RU 2006114341 A 20071110; US 2006245923 A1 20061102

DOCDB simple family (application)

EP 06252184 A 20060422; CN 200610077149 A 20060427; RU 2006114341 A 20060426; US 11537105 A 20050427