Actuator with open-loop control direct drive
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United States of America Patent
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Dec 26, 2023
Grant Date -
Oct 8, 2020
app pub date -
Dec 21, 2018
filing date -
Dec 21, 2017
priority date (Note) -
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Abstract
Travel of a brushless rotary actuator is limited by two stops, including a wound stator and a magnetic cylindrical rotor rigidly attached to a shaft having a first end rigidly attached to a control member. A second end of the shaft is rigidly attached to a travel limiting part acting as stops, and the travel limiting part has bending, resilient beam shapes. The actuator is electrically controlled in an open-loop. A control system controls a lift value of valves of an internal combustion engine by a lever driven by such an actuator.
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