Control system of engine
US-2016356229-A1 · Dec 8, 2016 · US
Apparatus for and method of controlling internal combustion engine
US9014949B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9014949-B2 |
| Application number | US-201213465413-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 7, 2012 |
| Priority date | Jul 21, 2011 |
| Publication date | Apr 21, 2015 |
| Grant date | Apr 21, 2015 |
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Abstract
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A control apparatus for an internal combustion engine where the inside of a combustion chamber is divided into a layer of internal EGR gas and a combustible layer to perform stratified combustion. In a port-injected engine equipped with first and second intake valves, the opening timing of the first intake valve is set before a top dead center (TDC) and the opening timing of the second intake valve is set after the TDC, and the closing timings of the first intake valve and the second intake valve are set after a bottom dead center. Then, fuel injection toward the first intake valve is started after the EGR gas, which was blown back to the intake port upstream of the first intake valve, is drawn into the combustion chamber after the top dead center.
First claim
Opening claim text (preview).
What is claimed is: 1. A control apparatus for an internal combustion engine equipped with a first intake valve and a second intake valve provided in each combustion chamber, a fuel injector provided in an intake port to inject fuel toward each of the first intake valve and the second intake valve, and a variable valve mechanism for changing a valve timing of the first intake valve and a valve timing of the second intake valve to valve timings different from each other, the control…
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Cross-Sectional Technologies · mapped topic
Mechanical Engineering · mapped topic
- F02D41/3023Primary
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 US9014949B2 cover?
- A control apparatus for an internal combustion engine where the inside of a combustion chamber is divided into a layer of internal EGR gas and a combustible layer to perform stratified combustion. In a port-injected engine equipped with first and second intake valves, the opening timing of the first intake valve is set before a top dead center (TDC) and the opening timing of the second intake v…
- Who is the assignee on this patent?
- Murai Atsushi, Hitachi Automotive Systems Ltd
- What technology area does this patent fall under?
- Primary CPC classification F02D41/3023. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).