发明名称 |
Fuel injector heater element control via single data line |
摘要 |
A system, heated fuel injector, and controller for closed-loop temperature control of a heated fuel injector having simultaneous two-way data communication over a single-line data connection. The system includes a voltage source to output a heater enable signal and a variable current sink configured to draw a current value indicative of a temperature value related to the heated fuel injector. The heater signal and the current value are simultaneously present on the single-line data connection. The configuration reduces the effect of ground shift on the accuracy of determining a feedback signal from the heated fuel injector. The feedback signal is a temperature value related to the heated fuel injector and is indicated by a current value. Because the feedback signal is a current value, the feedback signal is generally immune from being influenced by ground shift between the controller and the heated fuel injector. |
申请公布号 |
US8731801(B2) |
申请公布日期 |
2014.05.20 |
申请号 |
US201113106220 |
申请日期 |
2011.05.12 |
申请人 |
MOWERY KENNETH D.;DELPHI TECHNOLOGIES, INC. |
发明人 |
MOWERY KENNETH D. |
分类号 |
F02M53/02;F02G5/00;F02M53/06 |
主分类号 |
F02M53/02 |
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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