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:
Aug. 11, 2015
Filed:
Mar. 28, 2011
Hans-juergen Odenthal, Mettmann, DE;
Jochen Schlueter, Dortmund, DE;
Herbert Olivier, Aachen, DE;
SMS SIEMAG AG, Duesseldorf, DE;
Abstract
The invention relates to a device for injecting gas into a metallurgical vessel, comprising a blowing head () having a feed line () for delivering gas, in particular oxygen, to the blowing head (), and at least one Laval nozzle () disposed on the blowing head (), said nozzle having an inlet section () which conveys the gas and an outlet section (), wherein the gas is delivered to the inlet section () via the feed line () and leaves the outlet section () at supersonic speed, wherein the Laval nozzle () comprises at least one first nozzle part () and a second nozzle part (), wherein the nozzle parts () are adjustable relative to one another by changing the geometry of the Laval nozzle ().