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1. (WO2018219546) RUNNER FOR A HYDROELECTRIC AXIAL TURBINE OR PUMP

Pub. No.:    WO/2018/219546    International Application No.:    PCT/EP2018/059706
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed Apr 18 01:59:59 CEST 2018
IPC: F03B 3/12
Applicants: VOITH PATENT GMBH
Inventors: COULSON, Stuart
SMITH, Seth
RIEGLER, Walter
ORT, Thomas
Title: RUNNER FOR A HYDROELECTRIC AXIAL TURBINE OR PUMP
Abstract:
A propeller-type runner for a hydraulic turbine or pump, comprising a hub (1) and a plurality of blades (2, 3), wherein up to and including two blades (3) are fixed to the hub (1) using bolts and the remaining blades (2) are welded to the hub, and wherein each bolted blade (3) is adjoined by two welded blades (2).