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.

Date of Patent:
Sep. 06, 1983

Filed:

May. 29, 1981
Applicant:
Inventors:

Marinus Alfenaar, Schinnen, NL;

Joannes J Leijen, Sittard, NL;

Willem J Schlosser, Kerkrade, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 34 ; 429 39 ;
Abstract

Apparatus for supplying or draining a fluid to or from a marginal portion of a flat fuel cell electrode, consisting of a supply or drainage device for the fluid, which is connected with a spacious collecting channel (5) which runs substantially parallel to the marginal portion of the fuel cell electrode and which is connected with a number of substantially equidistantly spaced points of this marginal portion via micro-channels (4), these micro-channels having substantially identical dimensions and a width b that is smaller than their depth d. Preferably b/d is at most 0.9, and H/h is larger than 3, H and h being the hydraulic diameters of, respectively, the collecting channel (5) and the micro-channels (4).


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