| 摘要 |
An electromagnetic linear control valve including a housing having inlet and outlet ports, a valve mechanism disposed within the housing for controlling the quantity of fluid flow from the inlet port to the outlet port, an electric control circuit and a linear motor associated with the valve mechanism for operating the valve mechanism in response to an input current from the electric control circuit wherein the valve mechanism includes a valve seat member positioned between the inlet and outlet ports and having an elongated opening formed therein to permit flow of fluid therethrough and a valve member cooperating with the valve seat member to control the opening area of the valve seat member and wherein the linear motor includes a bobbin, a solenoid wound on the bobbin and connected to the electric control circuit, a yoke member of magnetic material extending into an inner peripheral portion of the bobbin and supported on the bobbin, a core of magnetic material movably mounted on the yoke member along the axial direction thereof and operatively connected with the valve member so as to form a gap for providing a magnetic path of the solenoid in the radial direction of movement of the core between an inner peripheral portion of the yoke and an outer peripheral portion of the core and a spring mechanism biasing the core in an axial direction.
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