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Ball bearing assembly notification mechanism

  • US 9,115,761 B2
  • Filed: 06/03/2013
  • Issued: 08/25/2015
  • Est. Priority Date: 06/03/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a turbocharger that comprises a ball bearing assembly that comprises balls and an imperfection;

    a sensor to sense acoustic energy; and

    circuitry to issue a notification based at least in part on sensed acoustic energy being generated by at least some of the balls contacting the imperfection.

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