VALVE ACTUATOR

A valve actuator comprises a housing, a motor disposed on the housing, a driving gear (130) coupled to a motor shaft of the motor, a transmission gear (140, 150, 160) which is in external contact with the driving gear and rotates according to a predetermined gear ratio when the driving gear rotates,...

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Bibliographic Details
Main Authors AHN, Youngchan, KANG, Joohang
Format Patent
LanguageEnglish
French
German
Published 05.04.2023
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A valve actuator comprises a housing, a motor disposed on the housing, a driving gear (130) coupled to a motor shaft of the motor, a transmission gear (140, 150, 160) which is in external contact with the driving gear and rotates according to a predetermined gear ratio when the driving gear rotates, an output shaft (180) including a main body and a plurality of protrusions (182) radially protruding from the main body and spaced apart from each other in a circumferential direction, an output gear (170) coupled to the output shaft and in external contact with the transmission gear, a stopper disposed in the housing and limiting a rotation radius of the output gear, and an elastic member (190) disposed between a lower portion of the plurality of protrusions and a lower plate of the housing.
Bibliography:Application Number: EP20220187108