IC engine cylinder output power measurement apparatus by monitoring the output of an alternator driven by the engine

  • US 5,087,881 A
  • Filed: 05/17/1990
  • Issued: 02/11/1992
  • Est. Priority Date: 09/19/1988
  • Status: Expired due to Fees
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First Claim
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1. Power measurement apparatus for measuring the comparative output power of each cylinder of an internal combustion engine of the kind having at least two cylinders, the apparatus comprising first pick-up means for detecting current flow in an output lead of an electrical generator driven by the engine, second pick-up means for detecting engine timing pulses and comparison means to compare the levels of current flows from said first pick-up means in respect of each power stroke of the engine whereby the comparative output of each cylinder of the engine may be determined.

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