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US 4,126,360 AGranted
Francis-type hydraulic machine
AssigneeEscher Wyss Limited
InventorsHelmut Miller, Kurt Baumann
Life of this patent
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Abstract
The disclosure concerns a Francis-type hydraulic machine, i.e., a turbine, pump-turbine or pump, having a bladed wheel of large diameter, and in which bearing apparatus for supporting the rotor is arranged in a peripheral region of the bladed wheel spaced radially from the axis.
Claims8
In a Francis-type hydraulic machine having a rotor which includes a bladed wheel of large diameter, the improvement which comprises bearing apparatus for supporting the rotor which is arranged in a peripheral region of the bladed wheel spaced radially from the axis and which includes
- a. an annular surface carried by the bladed wheel;
- b. a plurality of circumferentially spaced bearing shoes mounted in a foundation of the machine and cooperating with the annular surface;
- and
- c. a hydraulic servomechanism for each bearing shoe which serves to adjust the shoe relatively to the annular surface.
1 more element
Dependencies are inferred from the claim text.