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. 18, 2025
Filed:
May. 07, 2020
Robert Bosch Gmbh, Stuttgart, DE;
Andreas Ringk, Bamberg, DE;
Anton Ringel, Bamberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Fuel cell unit in the form of a fuel cell stack for producing electrical energy in an electrochemical manner, comprising fuel cells, the fuel cells each comprising a proton exchange membrane, an anode, a cathode, a gas diffusion layer, a bipolar plate, at least one fluid channel for the passage of a fluid, at least one seal () composed of a sealing material () for sealing off the at least one fluid channel (), wherein particles () composed of a particle material () are arranged in the sealing material () of the at least one seal (), for the purpose of extending the diffusion path () of the fluid which is sealed off by the at least one seal ().