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System and method for elastic breakdown ignition via multipole high frequency discharge

  • US 9,828,967 B2
  • Filed: 08/07/2015
  • Issued: 11/28/2017
  • Est. Priority Date: 06/05/2015
  • Status: Active Grant
First Claim
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1. An ignition system, comprising:

  • an ignition coil having a primary winding and a secondary winding, the secondary winding having a terminal for providing a high voltage (HV) signal;

    an igniter having an electrode arrangement comprising;

    a first HV electrode in electrical communication with the terminal of the secondary winding;

    a second HV electrode in electrical communication with the terminal of the secondary winding; and

    at least one ground electrode,the electrode arrangement defining a first spark gap between the first HV electrode and the at least one ground electrode, and defining a second spark gap between the second HV electrode and the at least one ground electrode;

    a first capacitor disposed in-line between the first HV electrode and the terminal of the secondary winding of the ignition coil and a second capacitor disposed in-line between the second HV electrode and the terminal of the secondary winding of the ignition coil;

    a first resistor disposed between the first HV electrode and the first capacitor, and a second resistor disposed between the second HV electrode and the second capacitor;

    a third capacitor disposed in parallel with the first spark gap and a fourth capacitor disposed in parallel with the second spark gap; and

    a driver module coupled to a terminal of the primary winding for driving the ignition coil.

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