Ignition coil for internal combustion engine

US8925533B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8925533-B2
Application numberUS-201113154841-A
CountryUS
Kind codeB2
Filing dateJun 7, 2011
Priority dateJun 7, 2010
Publication dateJan 6, 2015
Grant dateJan 6, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An ignition coil for the internal combustion engine has a cylinder portion and a head portion. A pillar portion that forms a part of a ventilation passage that communicates inside and outside of a plug hole via a sealing member, and a cover portion that covers the pillar portion without blockading an upper opening of a ventilation opening of the pillar portion are formed on a side of the head portion.

First claim

Opening claim text (preview).

What is claimed is: 1. An ignition coil for an internal combustion engine, the ignition coil comprising: a cylinder portion disposed in a plug hole of the internal combustion engine by insertion; an upper head portion connected to the cylinder portion and disposed outside of the plug hole; a sealing member disposed outside the cylinder portion in a radial direction and under the upper head portion for preventing water from infiltrating into the plug hole from an opening of the…

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What does patent US8925533B2 cover?
An ignition coil for the internal combustion engine has a cylinder portion and a head portion. A pillar portion that forms a part of a ventilation passage that communicates inside and outside of a plug hole via a sealing member, and a cover portion that covers the pillar portion without blockading an upper opening of a ventilation opening of the pillar portion are formed on a side of the head p…
Who is the assignee on this patent?
Nakao Kengo, Kawai Kazuhide, Akimoto Katsunori, and 1 more
What technology area does this patent fall under?
Primary CPC classification F02P3/02. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jan 06 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).