Method of fabricating a crown plate for Francis-type hydraulic t

Details Method of fabricating a crown plate for Francis-type hydraulic t Method of fabricating a crown plate for Francis-type hydraulic t

1976-12-13

1977-12-20

Kelly, Donald G.

Metal fusion bonding

Process

Plural joints

B23K 3102

Patent

active

040636755

ABSTRACT:
Method of fabricating a crown plate for a Francis-type hydraulic turbine runner. The crown is fabricated from an integrally formed inner circular portion and a pair of outer semi-circular portions welded thereto. The inner circular portion provides a rigid section of high integrity to which the runner shaft is connected.

REFERENCES:
patent: 3797965 (1974-03-01), Tanooka
patent: 3874819 (1975-04-01), Tamura
patent: 3918627 (1975-11-01), Kawano

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