ELECTROMAGNETIC APPARATUS AND METHOD FOR CONTROLLING FLUID FLOW
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 co...
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Main Authors | , , , |
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Format | Patent |
Language | English French |
Published |
05.09.2006
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Subjects | |
Online Access | Get full text |
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Summary: | 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 int o a retracted position. |
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Bibliography: | Application Number: CA20062538524 |