Nitrogen oxide gas sensor
US6274016A · kind A · utility
10Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A nitrogen oxide gas sensor wherein an alloy electrode of platinum and rhodium or a cermet electrode of platinum, rhodium, and zirconia or of a rhodium alloy and zirconia is used as the gas sensing electrode. The electrode of the sensor is suitable for measuring nitrogen oxide such as NO and NO.sub.2 in an exhaust gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.