PISTON TEMPERATURE STATE MONITORING SYSTEM FOR INTERNAL COMBUSTION ENGINE AND PISTON TEMPERATURE MONITORING METHOD FOR INTERNAL COMBUSTION ENGINE
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United States of America
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Jan 23, 2020
app pub date -
Sep 21, 2017
filing date -
Sep 21, 2017
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Abstract
Provided is a piston temperature state monitoring system for an internal combustion engine and a piston temperature monitoring method for an internal combustion engine which are capable of properly managing a history of a piston temperature. When the number of times of a piston temperature suppression control is counted, if a ratio of a temperature difference which is the difference between a maximum limit temperature and a piston temperature to a margin width which is the difference between the maximum limit temperature and a control start temperature is equal to or less than a count threshold ratio set in advance or calculated, a count output system outputs a count signal.
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