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Diagnosis of engine turbocharger performance

  • US 4,277,830 A
  • Filed: 06/11/1979
  • Issued: 07/07/1981
  • Est. Priority Date: 06/11/1979
  • Status: Expired due to Term
First Claim
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1. The method of testing the response of a turbocharger of an internal combustion engine, comprising the steps of sensing the engine speed and the intake manifold air pressure, stabilizing the engine and the turbocharger at a speed below maximum governed speed, rapidly accelerating the engine to maximum governed speed, taking first and second measurements of the pressure after the ending has stabilized at maximum governed speed but before the turbocharger has stabilized.

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