HYDRAULIC TURBOMACHINE
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United States of America Patent
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app pub date -
Jun 1, 2017
filing date -
Dec 1, 2014
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Abstract
A hydraulic turbo machine has a runner that is impinged by water. A diffuser has a multiplicity of guide blades. The diffuser includes a regulating ring for rotating the guide blades. At least one hydraulic servomotor is connected to the regulating ring or to the runner blades. The servomotor has a multiple stage configuration. The housings of the stages are fixedly connected to one another and the pistons of the stages interact only in a part range of the entire adjusting range of the servomotor.
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