Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takanobu Kobayashi0
Yoichi Anzo0
Makio Takahashi0
Date of Patent
September 7, 2010
0Patent Application Number
115974260
Date Filed
July 28, 2005
0Patent Primary Examiner
Patent abstract
An internal combustion engine ignition coil device has an annular seal rubber at its lower side coil. An annular projection is provided on a part of the seal rubber and is pressed against the inner diameter surface of a plug hole. An air path is formed in part of a coil case by mounting the seal rubber into a groove, enabling inside and outside portions of the plug hole to communicate. A gas-permeable thin film resin member is bonded to an inlet of the air path.
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