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.

Date of Patent:
Aug. 03, 2004

Filed:

Dec. 23, 2002
Applicant:
Inventors:

Hans Georg Conrads, Hanover, DE;

Volkhard Klupsch, Barleben, DE;

Alexander Halm, Magdeburg, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 2/704 ;
U.S. Cl.
CPC ...
G01R 2/704 ;
Abstract

A microwave measuring device for defining the load of a two-phase flow consisting of solids or liquid particles suspended in a gaseous medium transported in a predetermined direction within a feed duct of electrically conductive materials. Antennae for transmitting and receiving microwaves are penetrating into the feed duct at a predetermined spacing from each other and first and second rods are penetrating into the feed duct ahead of and behind the transmitting and receiving antennae to define, with the feed duct section delimited by them, a resonator. Auxiliary field rods ahead of and behind the first and second field rods short circuit microwaves input into the feed duct section which in consequence of reflection, diffraction or heterodyning have become distorted.


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