发明名称 |
Apparatus and method for detecting a road surface condition of a car powered by a combustion engine |
摘要 |
An apparatus for detecting a rough road running condition of a combustion engine car comprising means for calculating change values of an output rotational speed of the engine, means for calculating an instability of the measured change values, and means for judging the car to be on a rough road when the calculated instability is more than a predetermined amount.
|
申请公布号 |
US5381688(A) |
申请公布日期 |
1995.01.17 |
申请号 |
US19930056202 |
申请日期 |
1993.05.04 |
申请人 |
NIPPONDENSO CO., LTD. |
发明人 |
IKEDA, HIROSHI;TABATA, TARO;TAKASU, YASUHITO |
分类号 |
F02D45/00;G01B5/28;G01M15/11;G01P15/00;(IPC1-7):G01B5/28 |
主分类号 |
F02D45/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|