Ignition device for spark-ignition internal combustion engine
US-9523342-B2 · Dec 20, 2016 · US
Ignition system and spark plug
US8976504B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8976504-B2 |
| Application number | US-201113817544-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 11, 2011 |
| Priority date | Sep 7, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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An ignition system having a spark plug, a discharge power supply, and an AC power supply. Voltage from the discharge power supply and AC power from the AC power supply are supplied to a spark discharge gap through an electrode of the spark plug. The AC power from the AC power supply is applied to a spark generated by the voltage from the discharge power supply in the spark discharge gap.
First claim
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The invention claimed is: 1. An ignition system comprising: a spark plug; a discharge power supply for applying voltage to the spark plug to generate a spark discharge; and an AC power supply for supplying AC power to a spark generated by the spark discharge, wherein an oscillation frequency of the AC power is set to 100 MHz or less, wherein the spark plug includes: an insulator having an axial hole extending in an axis direction thereof, an electrode disposed i…
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Frequently asked questions
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- What does patent US8976504B2 cover?
- An ignition system having a spark plug, a discharge power supply, and an AC power supply. Voltage from the discharge power supply and AC power from the AC power supply are supplied to a spark discharge gap through an electrode of the spark plug. The AC power from the AC power supply is applied to a spark generated by the voltage from the discharge power supply in the spark discharge gap.
- Who is the assignee on this patent?
- Katsuraya Kohei, Nakayama Katsutoshi, Ngk Spark Plug Co
- What technology area does this patent fall under?
- Primary CPC classification F02P3/01. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 10 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).