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:
Oct. 11, 2016
Filed:
Mar. 18, 2015
Eberspächer Exhaust Technology Gmbh & Co. KG, Neunkirchen, DE;
Heike Többen, Uhingen, DE;
Georg Wirth, Kirchheim/Teck, DE;
Eberspächer Exhaust Technology GmbH & Co. KG, Neunkirchen, DE;
Abstract
An exhaust system () for an internal combustion engine has an exhaust line (), which has at least one exhaust pipe () having a pipe wall () with an inner side () defining an exhaust gas path () guiding an exhaust gas flow () and an electric heating device () for heating at least one length section of the exhaust pipe (). An efficient design is obtained if a heating coil () is wound several times around the exhaust pipe () on an outer side () of the pipe wall () in the respective length section and has an electric conductor () made of a resistance heating material. An electric insulator () is arranged between the conductor () and the outer side () of the pipe wall (). A heat-insulating cover () envelops the exhaust pipe () at least in the area of the respective heating coil ().