Diagnostic circuit of a voltage suppression circuit in a drive circuit of a fluid injector and method for diagnosing a fault in the voltage suppression circuit

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专利权人:

Delphi International Operations Luxembourg SARL

发明人:

Sykes Martin A. P.

申请号：

US201314420451

公开号：

US9618557(B2)

申请日:

2013.07.30

申请国别(地区):

美国

年份:

2017

代理人:

Haines Joshua M.

摘要：

A diagnostic circuit arranged to measure an electrical characteristic in a drive circuit of a coil of a fluid injector and compare the measured electrical characteristic with another electrical characteristic to determine whether a PN junction is working to discharge electrical energy in the coil of the fluid injector, in particular a selective catalytic reduction dosing injector.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/