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:
May. 18, 2021
Filed:
Mar. 16, 2020
Eberspächer Exhaust Technology Gmbh, Neunkirchen, DE;
Gerd Gaiser, Reutlingen, DE;
Eberspächer Exhaust Technology GmbH, Neunkirchen, DE;
Abstract
An exhaust gas heating unit for an exhaust system of an internal combustion engine includes a jacket heating conductor element () including a jacket () and with an electrical heating conductor (), which extends in the jacket and is enclosed by insulating material (). A heat transfer surface formation () is arranged on, and in heat transfer contact with, an outer side of the jacket. The heat transfer surface formation includes a heat transfer element with a meandering extent along the jacket heating conductor element with a plurality of heat transfer element sections (), which pass over into one another in bent areas () and are arranged following one another in a longitudinal direction of the jacket heating conductor element. Each heat transfer element section in association with the jacket heating conductor element has a passage opening (), through which the jacket heating conductor element passes.