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Method and control unit for operating an injection valve

  • US 8,584,515 B2
  • Filed: 10/01/2009
  • Issued: 11/19/2013
  • Est. Priority Date: 10/02/2008
  • Status: Expired due to Fees
First Claim
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1. A method for operating an injection valve of a motor vehicle, a first component of the injection valve being disposed in a manner allowing movement relative to a second component of the injection valve and being drivable at least partially by an actuator, comprising:

  • detecting a structure-borne-noise signal by a structure-borne-noise sensor; and

    evaluating the structure-borne-noise signal to infer an operating state of the first component, the operating state indicating one of whether the first component has struck a further component of the injection valve and whether an onset of a carrying-along of the first component has occurred.

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