Patent · US Active

Device and method for calibrating a scattered light meter

US8937718B2 · kind B2 · utility

3Cited by

4References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Raymond Sieg · Eßlingen, DE
Karl Stengel · Deizisau, DE
Gerhard Haaga · Owen, DE
Michael Neuendorf · Plochingen, DE

Key dates

Filing date	Jan 3, 2011
Grant date	Jan 20, 2015
Priority date	—
Expiry date	Jan 3, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG01N21/53
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A calibration apparatus for calibrating a scattered-light measuring device that is embodied to measure a particle concentration in motor vehicle exhaust gases, comprises at least one scattering body that has a number of scattering centers having a defined size and a defined mutual spacing. The scattering centers are disposed in such a way that the scattering body, upon irradiation with light from a light source, delivers scattered light having an intensity and a distribution predetermined by the scattering body.

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