Patent · US Expired

Device for monitoring a processing liquid

US6555379B1 · kind B1 · utility

2Cited by

9References

7Claims

0Family size

Assignee

Filterwerk Mann & Hummel GmbH · DE

Inventors

Karl-Guenter Bremer · Eschweiler, DE
Thomas Hoefler · Stuttgart, DE
Peter Holzhauer · Stuttgart, DE
Thomas Netsch · Hamburg, DE
Eckehard Walitza · Aalen, DE

Key dates

Filing date	Sep 8, 2000
Grant date	Apr 29, 2003
Priority date	—
Expiry date	Sep 8, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/209163
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A device for monitoring a processing liquid comprising at least one sensor for generating at least one monitoring signal, and a device for processing the monitoring signal and for generating a control signal for directly or indirectly influencing the composition or condition of the processing liquid. A device is also provided for detecting, storing, and maintaining the reliability of performance of the sensor. In addition, actuators are provided for converting given criteria or specified values.

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