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. 21, 2019
Filed:
Sep. 21, 2017
GM Global Technology Operations Llc, Detroit, MI (US);
Liang Xi, Northville, MI (US);
Xi Yang, Bloomfield Hills, MI (US);
Siguang Xu, Rochester Hills, MI (US);
Glenn W Skala, Churchville, NY (US);
Richard Blakeley, Ortonville, MI (US);
Ronald R Stevens, Honeye Falls, NY (US);
GM Global Technology Operations LLC., Detroit, MI (US);
Abstract
The present disclosure provides a fuel cell stack having a plurality of bipolar plates aligned in a stack between a pair of bipolar plates wherein each of the bipolar plates includes an outer bead having an interior cavity; and an inner bead having a trough wherein the inner bead extends into the interior cavity of the outer bead. The trough of the inner bead may be at least about 50% filled with an elastomeric seal.