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High speed solenoid valve actuator

  • US 5,085,402 A
  • Filed: 08/10/1990
  • Issued: 02/04/1992
  • Est. Priority Date: 08/10/1990
  • Status: Expired due to Term
First Claim
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1. An electromagnetic actuator comprisingA. armature means comprising a first rod shaped section and a second section of increased radius,B. stator means comprising a generally cylindrical housing having a first pole piece and a second pole piece, the stator means defining a flow path axially extending through the stator means, andC. coil means contained within the stator means, wherein the stator means and the armature means defined a closed electromagnetic circuit upon excitation of the coil means, the circuit comprising a first air gap between the rod section of the armature and the first pole piece and a second air gap between the increased radius armature section and the second pole piece, the plane of both air gaps being normal to the axis of the armature.

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