Oxygen sensor lead wire
US5290421A · kind A · utility
7Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1991 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Sep 11, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4078
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is an oxygen sensor and lead wire therefor. The lead wire has a first end contained within the oxygen sensor and a second end outside the oxygen sensor, the lead wire comprising an electrically insulating wall portion having passage means for providing enhanced fluid communication between the interior of the sensor and the exterior thereof. According to preferred embodiments, such passage means comprises a bore or a passageway in the insulating wall portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.