Method of beam welding of an impeller with performance of two passes on a slot; impeller and turbo machine having such weld configuration

Details for Australian Patent Application No. 2010329992 (hide)

Owner Nuovo Pignone S.p.A.

Inventors Cantelli, Ugo; Miniati, Enzo; Innocenti, Mirco

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2010329992

PCT Pub. Number WO2011/069989

Priority CO2009A000063 11.12.09 IT

Filing date 7 December 2010

Wipo publication date 16 June 2011

International Classifications

B23K 15/00 Other welding or cutting

B23K 26/06 Working by laser beam, e.g. welding, cutting, boring - Shaping the laser beam, e.g. by masks or multi-focusing

B23K 26/26 Working by laser beam, e.g. welding, cutting, boring

B23K 26/32 Working by laser beam, e.g. welding, cutting, boring

F01D 5/04 Blades

F01D 5/30 Blades

F04D 29/28 Details, component parts, or accessories - for centrifugal or helico-centrifugal pumps

Event Publications

12 July 2012 PCT application entered the National Phase

  PCT publication WO2011/069989 Priority application(s): WO2011/069989

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