Francis-type hydraulic machine
First Claim
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1. 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 includesa. 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.
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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.
115 Citations
8 Claims
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1. 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification