Patent · US Active

Sensor device for conductivity measurement and method for its operation

US7705603B2 · kind B2 · utility

3Cited by

11References

13Claims

0Family size

Assignee

E.G.O. Elektro-Geraetebau GmbH · DE

Inventors

Ralf Dorwarth · Oberderdingen, DE
Rainer Munzner · Fischbachau, DE
Kay Schmidt · Bretten, DE

Key dates

Filing date	Nov 24, 2008
Grant date	Apr 27, 2010
Priority date	—
Expiry date	Nov 24, 2028

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06F2103/20
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor device for insertion into a water channel in a washing machine is provided with two electrodes as sensors on a sensor carrier. These electrodes are in direct contact with the water through apertures. The electrodes are connected to a transformer on the sensor carrier directly and without any further components or couplings being required. The other side of the transformer is connected to an activating and evaluating means, in particular to a microprocessor positioned on the same carrier.

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