High pressure-low porosity wet seal

Details High pressure-low porosity wet seal High pressure-low porosity wet seal

1978-12-22

1981-03-31

Hess, Bruce H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428206, 428323, 428331, 428402, 428403, 428404, 428421, 428422, 429 36, 429174, 429184, 429185, 429251, 429252, 429253, 429254, B32B 104, H01M 208

Patent

active

042593891

ABSTRACT:
A high pressure, low porosity wet seal for a substrate in a fuel cell in which the seal is made up of a granular material having a particle size varying from 10 to 0.1 microns in size bonded together with polytetrafluoroethylene to prevent leakage of the gaseous fuel or oxidant from the cell.

REFERENCES:
patent: 3282734 (1966-11-01), Rzewinski
patent: 3326722 (1967-06-01), Hasbrouck
patent: 3702267 (1972-11-01), Grot
patent: 3713890 (1973-01-01), Strier et al.
patent: 4048392 (1977-09-01), Garoutte
patent: 4052537 (1977-10-01), Mallory
patent: 4110518 (1978-08-01), Gilmour et al.
patent: 4166157 (1979-08-01), McCormick

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