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Permanent Magnet Electromagnetic Actuator for an Electronic Valve Actuation System of an Engine

  • US 20070131185A1
  • Filed: 10/11/2006
  • Published: 06/14/2007
  • Est. Priority Date: 03/25/2004
  • Status: Active Grant
First Claim
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1. A valve actuator for an internal combustion engine, comprising:

  • a core having a wound coil located therein, the core further having at least one permanent magnet located at least partially within a space defined by the coil and positioned at an angle relative to a direction of movement of an armature; and

    at least an air gap adjacent to the at least one permanent magnet and wherein the air gap is wholly contained in the core and configured to reduce flux leakage.

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