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.:

US 8491836 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 23, 2013

Filed:

Feb. 09, 2012
Applicant:

Thomas Matschullat, Eckental, DE;

Inventor:

Thomas Matschullat, Eckental, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 7/20 (2006.01); H05H 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A melting furnace for smelting scrap includes a heating device extending through a wall of the furnace in order to supply melting energy, wherein the heating device including a tubular body, which encloses a flow channel. Further, the furnace includes a heating zone formed by a longitudinal section of the tubular body configured as an electrodeless plasma torch including an inductive heating coil which encloses the flow channel coaxially. An injection pipe is disposed in a central manner in the flow channel extending up or into to the heating zone, wherein the injection pipe is enclosed by a gas guiding pipe coaxially and at a radial distance. An annular channel is arranged between the injection pipe and the wall of the flow channel for supplying a cooling gas.


Find Patent Forward Citations

Quick Actions:

Matschullat, Thomas. (2013). Method and furnace for melting steel scrap (U.S. Patent No. 8491836). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8491836

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…