Patent ID: 7086245

Claim:
A flow control valve apparatus comprising: a flow channel having a longitudinal axis comprising an upper flow channel and a lower flow channel, for guiding a fluid; sealing means installed in a plane perpendicular to the flow channel to close the flow channel, the sealing means having therein an orifice through which the fluid is allowed to be passed conditionally; opening/closing means for opening/closing of the orifice, the opening/closing means including permanent magnet valve member for opening/closing the orifice of the sealing means and supporting member having an elastic flexure supporting the permanent magnet valve member for providing an elastic restoring force in an opposite direction to displacement of the permanent magnet valve member; and applying means installed along an outer circumference of the flow channel, for providing an driving force to the valve member in order to open/close the orifice when a current is applied thereto.