Determining engine cylinder contribution from indexed engine data
First Claim
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1. A system for processing indexed engine data, the system comprising:
- means for calculating a number of indexed engine samples per engine cycle; and
means for constructing an engine cycles signal using the number of indexed engine samples per engine cycle.
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Abstract
An engine diagnostic system is provided that enables a service technician to evaluate engine cylinder contribution to output power. The service technician couples one or more signal leads to the vehicle'"'"'s battery, alternator, or accessory receptacle (e.g., cigarette lighter receptacle) to provide an alternator output signal to a signal analyzer. The signal analyzer processes the alternator output signal to generate an engine signature, which represents engine cylinder contribution to engine output power.
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Citations
8 Claims
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1. A system for processing indexed engine data, the system comprising:
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means for calculating a number of indexed engine samples per engine cycle; and means for constructing an engine cycles signal using the number of indexed engine samples per engine cycle. - View Dependent Claims (2, 3, 4, 5)
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6. A method for processing indexed engine data, the method comprising:
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calculating a number of indexed engine samples per engine cycle; and constructing an engine cycles signal using the number of indexed engine samples per engine cycle. - View Dependent Claims (7, 8)
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Specification