WASTEGATE ACTUATOR AND WASTEGATE VALVE DRIVING DEVICE

A wastegate actuator includes a direct-current motor, a shaft for opening and closing a wastegate valve of a turbocharger, and a screw mechanism for converting a rotary motion of the direct-current motor into a linear motion of the shaft, and the screw mechanism has a lead angle in accordance with a...

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Bibliographische Detailangaben
Hauptverfasser:	HATANO Kenta, KAWAMURA Satoshi
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COCKS COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TAPS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A wastegate actuator includes a direct-current motor, a shaft for opening and closing a wastegate valve of a turbocharger, and a screw mechanism for converting a rotary motion of the direct-current motor into a linear motion of the shaft, and the screw mechanism has a lead angle in accordance with a current of the direct-current motor that is required to hold the shaft at a position.