| 摘要 |
PROBLEM TO BE SOLVED: To eliminate necessity of machining a framework of a filter means in a separate process, to eliminate a process of engaging the framework for fixation when assembling, and to prevent the reduction of surface area of a filter member due to the framework in the filter member to be arranged in a port of a sleeve communicated with a hydraulic device of a solenoid valve arranged in a hydraulic circuit for hydraulic control. SOLUTION: The filter member having an overlap-wound cylindrical shape and formed with a rib extended outward in the radial direction at an axial directional end thereof and formed with several holes in the cylindrical surface thereof is arranged in each port of the sleeve of the solenoid valve.
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