| 摘要 |
<p>A manufacturing method of rotor central body for the electro-driven valve, rotor feeding screw and rotor is provided to reduce the manufacturing cost of the electro-driven valve and to improve the manufacturing process. A manufacturing method of rotor central body for the electro-driven valve, rotor feeding screw and rotor comprises a valve closing regulation stopper for controlling that the rotor moves to the valve closing direction in the full close, a sleeve of the cylindrical form which is formed with the synthetic resin, a bush which is fixed to the inner circumferential portion of sleeve and includes a female screw on the inner circumference.</p> |
