| 摘要 |
PURPOSE: A throttle valve for controlling pressure is provided to prevent a process defect caused by a failure in controlling a valve, by making a valve axis firmly connected to a gear axis. CONSTITUTION: A throttle valve for controlling pressure includes a housing, a valve axis(230), an isolation layer, a driving gear and a driving motor. A part of the valve axis is protruded toward the outside of the housing through a hole formed in the housing. The protruded part is inserted into a cylindrical connection part(251) at an end portion of the gear axis. A screw installed in the connection part in a direction perpendicular to the axis direction is coupled to a screw hole(235) formed in the protruded portion so that the gear axis is connected to the valve axis.
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