About 54 results
https://drivepatents.com/patents/1083173 · 13 Oct 2004
A fuel cell (900) is disclosed that includes a passive support (250) having a fine pore region (256) disposed between a first coarser pore region (258) and a second coarser pore region (258'). An exemplary fuel cell has an electrolyte material (918) positi...
https://drivepatents.com/patents/1083218 · 13 Oct 2004
A fuel cartridge (106, 206, 306) includes a film strip (110, 210, 310) supporting a fuel compound (270, 370), with an electric heater (108, 208, 308) of the fuel cartridge (106, 206, 306) configured to heat a portion (268, 368) of the film strip (110, 210,...
https://drivepatents.com/patents/1083243 · 13 Oct 2004
A pump (100, 200) having a shape memory actuator (156, 256) and a fuel cell system (300) including the same are disclosed. The pump may include a movable structure (126, 128, 226, 228) configured to impart motion to a fluid; a linearly movable shaft (130, ...
https://drivepatents.com/patents/1083428 · 6 Oct 2004
Methods and systems of facilitating detection of fuel leaks in a fuel cell system (100) include adding organic molecules to a fuel cell (104) fuel supply (114, 214) to odorize the fuel supply.
https://drivepatents.com/patents/1083426 · 6 Oct 2004
A method for elevating a temperature within a fuel cell (401) having a cathode (101), an electrolyte (102) and an anode (103), includes, prior to the electrolyte (102) reaching a minimum temperature at which oxygen ions (111) cross the electrolyte (102), c...
https://drivepatents.com/patents/1084791 · 18 Aug 2004
Subject matter includes a fuel cell (100) with a catalytic combustor (138) instead of a seal, and related methods. The catalytic combustor (138) is positioned to come in contact with a fuel (106) after the fuel (106) has traversed a path over an intended e...
https://drivepatents.com/patents/1084807 · 18 Aug 2004
A method of operating a fuel cell (104) includes supplying a gas stream (114/118) to the fuel cell (104) and oscillating the gas stream (114/118).
https://drivepatents.com/patents/1085017 · 11 Aug 2004
A method for making a fuel cell has steps of forming a sacrificial layer (202) on a substrate (204), forming a fuel cell (208, 212, 214) on the substrate (204), forming a connector (210, 216) that connects the fuel cell (208, 212, 214) to the substrate (20...
https://drivepatents.com/patents/1085185 · 4 Aug 2004
A hydrogen generation cartridge (110) preferably includes a munitions casing (101), a hydrogen producing chemical reactant within the casing (101), and an outlet for releasing hydrogen produced in the casing (101). A portable hydrogen generator preferably ...
https://drivepatents.com/patents/1085358 · 28 Jul 2004
A fuel cell (10) includes at least one electrode (16, 18) operatively disposed in the fuel cell (10), and having a catalytically active surface. The present invention further includes a mechanism for maintaining a substantially uniform maximum catalytic ac...