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发明授权
CN104279087B 阀装置 有权

阀装置
摘要：
本发明涉及一种阀装置。控制装置(3)执行电机(8)的反馈控制操作以使得阀(5)的所感测开度接近被设置用于完全关闭阀(5)时的目标开度(θb)。在阀(5)的所感测开度达到通电停止开度(θa)之后，控制装置(3)停止电机(8)的通电，所述通电停止开度(θa)被设置在阀(5)的完全关闭度(θ0)的在阀(5)的阀打开方向上的阀打开侧。复位弹簧(10)沿着阀(5)的阀关闭方向推动阀(5)。目标开度(θb)设置在通电停止开度(θa)的在阀关闭方向上的阀关闭侧。
摘要（英）：

A control device executes a feedback control operation of an electric motor such that a sensed opening degree of a valve approaches a target opening degree, which is set for a time of fully closing the valve. The control device stops the energization of the electric motor after reaching of the sensed opening degree of the valve to an energization stop opening degree, which is set on a valve opening side of a full closing degree of the valve in a valve opening direction of the valve. A return spring urges the valve in a valve closing direction of the valve. The target opening degree is set on a valve closing side of the energization stop opening degree in the valve closing direction.

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