WATER TURBINE RUNNER AND MANUFACTURING METHOD OF WATER TURBINE RUNNER

摘要

PPROBLEM TO BE SOLVED: To reduce manufacturing and working man-hours by improving a structure. PSOLUTION: The water turbine runner is provided with a fixed type runner vane 3 alternately arranged along a circumferential direction of a crown 1, and an assembled type runner vane 4. A recessed part 5 is provided in the crown 1 between the fixed type runner vane 3 and another fixed type runner vane 3 adjacent thereto, and the assembled type runner vane 4 is attached to the recessed part 5. PCOPYRIGHT: (C)2007,JPO&INPIT