Fuel Injection Valve
US-2015377200-A1 · Dec 31, 2015 · US
Fuel injection control device and fuel injection control method
US2015114357A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2015114357-A1 |
| Application number | US-201314405828-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 24, 2013 |
| Priority date | Jun 7, 2012 |
| Publication date | Apr 30, 2015 |
| Grant date | — |
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Abstract
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A CNG control ECU 50 has a pulse signal determination means 76 for determining a pulse width and an output timing of a pulse signal, an electricity control means 74 for controlling a supply of electricity to a solenoid 62, and a current value sensing part 80 for sensing a current value of the solenoid 62. Further, the CNG control ECU 50 has an estimation part 82 for estimating an injection start timing and an injection full opening timing on the basis of a differential value of the current value, a first calculation part 84 for calculating a first correction part, and a full opening time difference calculation part 86 for calculating a full opening time difference. Still further, the CNG control ECU 50 has a correction injection quantity calculation part 88 for calculating a correction injection quantity and a second calculation part 90 for calculating a second correction value. A correction part 92 makes a correction of adding the first correction value to the output timing and a correction of adding the second correction value to the pulse width.
First claim
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1 . A fuel injection control device for controlling electricity to be supplied to a solenoid of a fuel injection valve by a pulse signal to thereby control an injection of fuel by the fuel injection valve, the fuel injection control device comprising: a current value sensing device sensing a current value to show a magnitude of current flowing through the solenoid when the fuel is injected by the fuel injection valve; an estimation device estimating an injection start timing when the injectio…
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Classifications
- F02M63/0017Primary
Mechanical Engineering · mapped topic
- F02D41/20Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US2015114357A1 cover?
- A CNG control ECU 50 has a pulse signal determination means 76 for determining a pulse width and an output timing of a pulse signal, an electricity control means 74 for controlling a supply of electricity to a solenoid 62, and a current value sensing part 80 for sensing a current value of the solenoid 62. Further, the CNG control ECU 50 has an estimation part 82 for estimating a…
- Who is the assignee on this patent?
- Denso Corp
- What technology area does this patent fall under?
- Primary CPC classification F02M63/0017. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Thu Apr 30 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).