Title:
スパークプラグ
Document Type and Number:
Japanese Patent JP7330002
Kind Code:
B2
Abstract:
A spark plug has a housing of a cylindrical shape and an insulator supported to an inside of the housing. A channel part is formed at a distal end side of the housing. The channel part is open so that the inside of the housing communicates with an outside of the housing through the channel part. The channel part has a channel bottom having a tapered shape oblique relative to a plug central axis. An overall channel bottom is arranged in the housing closer to a proximal end side than to the distal end side of the housing.
Inventors:
Katsurahiro Izumi
Masamichi Shibata
Kinchiyo Terada
Tetsuya Miwa
Masamichi Shibata
Kinchiyo Terada
Tetsuya Miwa
Application Number:
JP2019132574A
Publication Date:
August 21, 2023
Filing Date:
July 18, 2019
Export Citation:
Assignee:
株式会社ＳＯＫＥＮ
International Classes:
H01T13/16
Domestic Patent References:
| JP2014013666A | ||||
| JP2016012410A | ||||
| JP4004583A | ||||
| JP2009004257A | ||||
| JP4936344U |
Attorney, Agent or Firm:
Patent Attorney Corporation Aichi International Patent Office
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