Electromagnetic apparatus and method for controlling fluid flow

Details Electromagnetic apparatus and method for controlling fluid flow Electromagnetic apparatus and method for controlling fluid flow

H - Electricity

01

F

H01F 7/08 (2006.01) F16K 31/06 (2006.01) H01F 7/122 (2006.01) H01F 7/18 (2006.01)

Patent

CA 2538524

An actuator including actuator base, bobbin, and pole piece forming a pocket for a ferromagnetic armature located therein. The actuator including a radial magnet and a solenoid coil. The solenoid coil is constructed and arranged to cause a linear displacement of the armature upon application of a coil drive current from a control circuit. The actuator may include a flexible membrane that partially encloses the armature to form an armature chamber filled with an incompressible fluid. In a valve design, a fluid flow is stopped by driving the armature to an extended position and thus the membrane against a valve seat. The fluid flow is opened by driving the armature and the membrane away from the valve seat into a retracted position.

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