Reciprocating engine cylinder contribution tester and method
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United States of America Patent
Stats
-
Mar 7, 2006
Grant Date -
May 5, 2005
app pub date -
Oct 30, 2003
filing date -
Oct 30, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Engine cylinder contribution analysis is provided. An engine cylinder contribution tester includes a displacement measurement device and a signal analyzer. The displacement measurement device detects engine block movements or displacement relative to a fixed position caused by a poorly contributing cylinder. The displacement measurement device provides a displacement signal to the signal analyzer. The signal analyzer includes a cylinder contribution module for evaluating the displacement signal. If a particular cylinder is contributing less than the average of the other cylinders, the displacement signal indicates engine block movement associated with a lack of contribution from that cylinder.
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