专利名称：Detecting device and detecting method发明人：Kazuo Tsuchiya申请号：US14286901申请日：20140523公开号：US09008946B2公开日：20150414
专利附图：
摘要：A detecting device () detects a combustion state of an internal combustionengine () that transmits power via a crankshaft (). The detecting device () includes acalculation unit () that calculates a mass burn fraction by detecting a crank angle, on thebasis of a frequency component showing a state change amount of a state change of a
detection target according to a change in a cylinder pressure depending on a combustioncycle of the engine (), and including a harmonic wave component of a fundamental waveof the frequency component.
申请人：Meiji University
地址：Tokyo JP
国籍：JP
代理机构：Wood, Herron & Evans, LLP
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