Gas sensor having a tubular body tightly fitted to a tapered portion of a metallic shell
US10393715B2 · kind B2 · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Nov 23, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0009
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.