发明名称 |
ON-BOARD DIAGNOSTIC METHOD AND SYSTEM FOR DETECTING MALFUNCTION CONDITIONS IN MULTIAIR TM ENGINE HYDRAULIC VALVE TRAIN. |
摘要 |
<p>An on-board diagnostic system for detecting malfunction conditions in a hydraulic valve train of a MultiAirâ„¢ engine. The system comprises a plurality of pressure sensors (12a-n) for generating pressure signals located in a hydraulic circuit of the hydraulic valve train; and an engine control module (16) for performing a waveform analysis of the pressure signals to detect malfunction conditions in the hydraulic valve train. The engine control module (16) performs a frequency and/ or time delay waveform analysis.</p> |
申请公布号 |
MX2014013750(A) |
申请公布日期 |
2015.02.04 |
申请号 |
MX20140013750 |
申请日期 |
2013.05.07 |
申请人 |
CHRYSLER GROUP LLC |
发明人 |
GLEN R. MACFARLANE;PETER G. HARTMAN |
分类号 |
F01L9/02;F02D41/00;F02D41/22;F02D41/28 |
主分类号 |
F01L9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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