Method and apparatus for engine monitoring
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United States of America Patent
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May 20, 1997
Issued Date -
N/A
app pub date -
Dec 4, 1995
filing date -
Apr 30, 1992
priority date (Note) -
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Abstract
The invention presented herein makes it possible to construct and operate an engine monitoring apparatus that calculates the engine speed, the engine load and/or engine monitoring quantities basically only from the measurement of an angular velocity curve at the gear rim of an internal combustion engine (optionally, from a plurality of angular velocity curves). The basis is thus simultaneously created for monitoring all other measured quantities within narrow limits that are dependent on load and speed. The invention can also be utilized for control purposes or for measuring power.
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