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. 24, 2010
Filed:
Dec. 16, 2008
Marc Burty, Metz, FR;
Charles Pusse, Kedang sur Canner, FR;
Patrick Wetta, Saint Cyr sur Rhone, FR;
Francis Sulin, Villeurbanne, FR;
Claude Bertoletti, Marly, FR;
Yves Borneque, Veckring, FR;
Daniel Pernet, Marly, FR;
Eric Carioli, Wallon Cappel, FR;
Marc Burty, Metz, FR;
Charles Pusse, Kedang sur Canner, FR;
Patrick Wetta, Saint Cyr sur Rhone, FR;
Francis Sulin, Villeurbanne, FR;
Claude Bertoletti, Marly, FR;
Yves Borneque, Veckring, FR;
Daniel Pernet, Marly, FR;
Eric Carioli, Wallon Cappel, FR;
Arcelor France, Saint Denis, FR;
Abstract
A device for control of bubbling of a metal bath in a ladle or in another similar metallurgical vessel including a bottom injector linked to a source of supply of pressurized stirring gas to be injected with aid of a pipe provided with a facility for adjusting flow rate, at least one vibration sensor mounted on the vessel itself or on a support frame, a signal processing unit processing a vibratory signal gathered by the sensor, and wherein the signal processing unit includes at least, and in successive order of processing of the vibratory signal, a high-pass analog filter, a digitizer, a digital filter calibrated on vibratory responses of the ladle, and a computer for computing a sliding temporal quadratic mean of RMS type.