WATERWHEEL INLET VALVE CONTROLLER

PROBLEM TO BE SOLVED: To provide a waterwheel inlet valve controller which can prevent abnormal water pressure, vibration or damage from being generated at a casing or a penstock in a waterwheel inlet valve with no side valve. SOLUTION: This controller is provided with limit switches 11, 12 which op...

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Bibliographische Detailangaben
1. Verfasser:	ONO HIROO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a waterwheel inlet valve controller which can prevent abnormal water pressure, vibration or damage from being generated at a casing or a penstock in a waterwheel inlet valve with no side valve. SOLUTION: This controller is provided with limit switches 11, 12 which operate at a prescribed position of a waterwheel inlet valve 2 opened and closed by a motor 9, a switching means which is formed inside an electric circuit for driving the motor 9 and receives the signals of the limit switches 11, 12 to switch the driving speed of the motor 9, and a stopping means which stops the motor 9 for a prescribed period, formed at the switching means.