Plug for sealing a housing of an exhaust gas sensor, exhaust gas sensor and manufacture of an exhaust gas sensor
US-9525280-B2 · Dec 20, 2016 · US
Gas sensor
US9201040B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9201040-B2 |
| Application number | US-201113176106-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 5, 2011 |
| Priority date | Jul 6, 2010 |
| Publication date | Dec 1, 2015 |
| Grant date | Dec 1, 2015 |
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Abstract
Official abstract text for this publication.
A gas sensor including coating layers ( 64 ) and ( 69 ) of fluorine or a fluorine compound formed on the surface of a separator ( 60 ), including a front separator ( 61 ) and a rear separator ( 66 ), disposed inside a sheath ( 30 ). The coating layers ( 64 ) and ( 69 ) have water impermeability and water repellency. Even in the case where moisture contained in the atmosphere within a sheath ( 30 ) forms dew on the surface of the separator ( 60 ), the coating layers ( 64 ) and ( 69 ) prevent soaking of moisture into the separator ( 60 ), to thereby secure the insulation property of the separator ( 60 ). Also, the coating layers ( 64 ) and ( 69 ) having water repellency prevent a water droplet from spreading on the surface of the separator ( 60 ) with resultant formation of a film of water, to thereby prevent flow of leakage current via a film of water.
First claim
Opening claim text (preview).
The invention claimed is: 1. A gas sensor comprising: a detection element extending in an axial direction and adapted to detect the concentration of a specific gas; a metallic shell circumferentially surrounding and holding the detection element; a sheath attached to a rear end portion of the metallic shell and surrounding a rear end portion of the detection element; and a separator formed of an electrically insulating ceramic, disposed inside the sheath, and accommodating…
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- G01N27/4078Primary
Physics · mapped topic
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- What does patent US9201040B2 cover?
- A gas sensor including coating layers ( 64 ) and ( 69 ) of fluorine or a fluorine compound formed on the surface of a separator ( 60 ), including a front separator ( 61 ) and a rear separator ( 66 ), disposed inside a sheath ( 30 ). The coating layers ( 64 ) and ( 69 ) have water impermeability and water repellency. Even in the case where moisture contained in the atmosphere within a sheath ( 3…
- Who is the assignee on this patent?
- Yamada Yuichi, Akiyama Takahiro, Saito Takuya, and 7 more
- What technology area does this patent fall under?
- Primary CPC classification G01N27/4078. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Dec 01 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).