ES284467A1 - A device for controlling discharge valves in water turbines (Machine-translation by Google Translate, not legally binding)
- Google Patents
A device for controlling discharge valves in water turbines (Machine-translation by Google Translate, not legally binding)
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Nydqvist and Holm AB
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Nydqvist and Holm AB
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Publication of ES284467A1publicationCriticalpatent/ES284467A1/en
A device for controlling discharge valves in water turbines, consisting among other things of two hydraulic servo motors fed by separate lines, one of which facilitates the opening and closing of the turbine guide vanes and the other the opening and closure of the discharge valve, characterized in that the two servo motors are connected to a common control slide which is arranged in such a way that the guide vanes are closed when the slider is moved in one direction and the guide vanes are closed. open when the control slide moves in the other direction and the discharge valve opens only when there has been a displacement of the control slider of such amount in the direction corresponding to the closing of the guide vanes that said displacement exceeds a predetermined limit, but that said discharge valve remains closed when the movements within said predetermined limits for the control slide take place or when said slide moves in a direction corresponding to the opening of the guide vanes. (Machine-translation by Google Translate, not legally binding)
ES0284467A1962-01-181963-01-17A device for controlling discharge valves in water turbines (Machine-translation by Google Translate, not legally binding)
ExpiredES284467A1
(en)
Improvements in the automatic regulation valves for ventilation and similar installations. (Machine-translation by Google Translate, not legally binding)