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:
Apr. 14, 2020
Filed:
Oct. 13, 2011
Applicant:
Agne Fälldin, Sundsvall, SE;
Inventor:
Agne Fälldin, Sundsvall, SE;
Assignee:
Stegia AB, Vasteras, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B 7/24 (2006.01); E01B 19/00 (2006.01); H05B 6/10 (2006.01);
U.S. Cl.
CPC ...
E01B 7/24 (2013.01); E01B 19/00 (2013.01); H05B 6/101 (2013.01); H05B 6/105 (2013.01); Y02A 30/38 (2018.01);
Abstract
A device for heating of railway tracks is provided. The device comprises a magnetic field generator fed with a low-frequency current. The magnetic field generator is formed by a device without a circuit returning a magnetic flux generated by the magnetic field generator. Hereby the magnetic flux can be returned via a heater. The heater is a material generating heat when placed in the magnetic field. The heater can be the railway tracks or a plate provided in conjunction with the railway tracks.