Patent · US Active

Sensor element, sensor module, measuring assembly and exhaust-gas re-circulation system comprising a sensor element of this type, and production method

US11506526B2 · kind B2 · utility

0Cited by

5References

10Claims

0Family size

Assignee

Heraeus Nexensos GmbH · DE

Inventors

Karlheinz Wienand · Aschaffenburg, DE
Tim Asmus · Allendorf (Lumda), DE
Peter PITZIUS · Wadern, DE

Key dates

Filing date	Apr 14, 2015
Grant date	Nov 22, 2022
Priority date	—
Expiry date	Apr 9, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01F1/6845
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor element with a thin-film structure is made of platinum or a platinum alloy. The structure being applied to a ceramic substrate, in particular an Al2O3 substrate and being covered by a glass-ceramic coating. The glass-ceramic coating has an outer surface with surface profiling. A sensor module, a measuring assembly, and an exhaust-gas re-circulation system include the sensor element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.