MOTOR-OPERATED VALVE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 16, 2024
filing date -
Dec 16, 2024
priority date (Note) -
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Abstract
A motor-operated valve includes a motor, valve seat, valve body, magnetic gear, and controller. The motor generates rotational force when powered, allowing the valve body to open and close the valve port, which permits fluid passage. The magnetic gear transmits this force from the motor to the valve body. The controller regulates the electric current supplied to the motor. During fully-closed operation, the controller limits the current to less than a fully-closed current limit value, ensuring the valve port is completely closed. This limit value is higher than the adjusting current value, which is the current supplied during valve opening adjustments.
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