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:
Dec. 03, 2002
Filed:
Sep. 05, 2000
Karl Venås, Saupstad, NO;
Pål Christian Skaret, Trondheim, NO;
Per Gunnar Strand, Sunndalsøra, NO;
Erling Myrbostad, Kvanne, NO;
Idar Steen, Sunndalsøra, NO;
Norsk Hydro ASA, Oslo, NO;
Abstract
Equipment for the treatment of a liquid such as a metal melt has one or more rotors ( ) for the supply of gas and/or particulate material to the liquid in a reaction chamber ( ). The reaction chamber ( ) is closed and has an inlet ( ) and an outlet ( ) and is designed to be placed under a vacuum. The outlet ( ) communicates with another chamber or outlet passage ( ). The equipment may have several reaction chambers ( ) arranged in series. The first reaction chamber ( ) then communicates with the second reaction chamber ( ), the second reaction chamber with a third, etc. via an opening ( ).