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Electromagnetic actuator assembly for a fluid injection valve and method for operating a fluid injection valve

  • US 9,777,685 B2
  • Filed: 11/11/2013
  • Issued: 10/03/2017
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
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1. An electromagnetic actuator assembly for a fluid injection valve comprising:

  • a first coil and a second coil concentrically mounted in a housing and configured to move an armature,an electrical connection circuit configured to connect the first and second coils to a power supply, anda first external electrical connection and a second external electrical connection configured to connect the electrical connection circuit to the power supply,wherein the actuator assembly is switchable between;

    a first operating mode in which a direct current flows from the first to the second external electrical connection, anda second operating mode in which a direct current flows from the second to the first external electrical connection, andwherein the electrical connection circuit is configured to;

    energize the first coil without energizing the second coil in the first operating mode of the actuator assembly, andenergize both the first coil and the second coil in the second operating mode of the actuator assembly.

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