The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2003
Filed:
Jun. 28, 2000
Applicant:
Inventors:
Franz-Wilhelm Koerdt, Bad Nauheim, DE;
Peter Kaiser, Frankfurt am Main, DE;
Hans Georg Hülsmann, Bad Homburg, DE;
Assignee:
Fresenius Medical Care Deutschland GmbH, Bad Homburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 2/702 ;
U.S. Cl.
CPC ...
G01R 2/702 ;
Abstract
The invention relates to a device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel, and to the use of said device and method. According to the invention, the invention provides that a toroidal coil is precisely arranged around the flow channel. Said toroidal coil is interconnected with a capacitor to an oscillating circuit. The invention also provides that the electric characteristics of this circuit are then measured according to the conductivity which is sought after.