ROTARY ACTUATOR AND VALVE USING THE SAME

PROBLEM TO BE SOLVED: To provide a rotary actuator and a valve using the same where an output shaft of a motor or a rotation angle of a rotor connected to the output shaft is made easily in agreement with a target angle, and a gain constant at the time of feedback control by a control device can be...

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Bibliographische Detailangaben
1. Verfasser:	SHIMANE OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rotary actuator and a valve using the same where an output shaft of a motor or a rotation angle of a rotor connected to the output shaft is made easily in agreement with a target angle, and a gain constant at the time of feedback control by a control device can be reduced.SOLUTION: Relation between a real angle of a valve shaft 40 of the rotary actuator 8 and an output voltage of a Hall IC 63 is configured in advance so that an output voltage variation amount per predetermined current supply period to the motor 20 may be constant irrespective of the real angle. Therefore, when the motor 20 is driven, a rotation amount of the valve shaft 40 per the predetermined current supply period will be constant irrespective of the real angle of the valve shaft 40. Consequently, even when the gain constant at the time of the feedback control by the control device 13 is not changed, that is, even when the same gain constant is used, a satisfactory control performance can be acquired.