Gas sensor having a tubular body tightly fitted to a tapered portion of a metallic shell

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10393715
APP PUB NO 20170307574A1
SERIAL NO

15481197

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gas sensor includes a gas sensor element having a detection portion, a metallic shell holding the gas sensor element, and a tubular body made of metal, which is welded in a state of being externally fitted to a front side or a rear side of the metallic shell. In the present invention, the tubular body is tightly fitted to a tapered portion that is provided at an outer surface of the metallic shell and is radially narrowed toward the tubular body. The tubular body is welded at the tapered portion.

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Patent Owner(s)

  • NGK SPARK PLUG CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oba, Takehiro Konan, JP 36 95
Yonezu, Kunihiko Inuyama, JP 17 64

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