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:
Mar. 04, 2014
Filed:
Aug. 03, 2010
Hans-rainer Zerfass, Taunusstein, DE;
Armin Diez, Lenningen, DE;
Peter Schenk, Hohenstein, DE;
Wolfgang Fritz, Metzingen, DE;
Peter Lamp, Kaufering, DE;
Manfred Wier, München, DE;
Joachim Tachtler, Ismaning, DE;
Hans-Rainer Zerfass, Taunusstein, DE;
Armin Diez, Lenningen, DE;
Peter Schenk, Hohenstein, DE;
Wolfgang Fritz, Metzingen, DE;
Peter Lamp, Kaufering, DE;
Manfred Wier, München, DE;
Joachim Tachtler, Ismaning, DE;
ElringKlinger AG, Dettingen, DE;
Abstract
In a fuel cell stack having a plurality of fuel cell units, which are arranged consecutively in a stacking direction, wherein each of the fuel cell units comprises a housing with at least one housing part made of a metallic material, which has an adequate electrical insulation effect and an adequate mechanical strength at a high operating temperature of the fuel cell stack, a sealing assembly is provided and comprises at least one intermediate element made of a metallic material, wherein the intermediate element is soldered to a housing part of a first fuel cell unit at at least one location by a metal solder and is secured to a housing part of a second fuel cell unit at at least another location, wherein the intermediate element and/or the housing part of the first fuel cell unit is provided with a coating made of a ceramic material.