Multi Drive-Mode Actuators
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Jan 12, 2023
filing date -
Jan 12, 2023
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Abstract
An electromechanical actuator comprises a volume comprising electromechanically active material, a set of electrodes and a single drive pad. The single drive pad protrudes in a direction parallel to the third axis. The volume of electromechanically active material has a first and second part volume situated at a first longitudinal side, along the first axis, and a third and fourth part volume are situated at a second opposite longitudinal side. The first and third part volumes are situated at a first transverse side and the second and fourth part volumes are situated oppositely. The set of electrodes is provided for allowing excitation of the part volumes independently of each other. A motor comprising such an actuator is also disclosed as well as methods for driving the actuator and motor.
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