About 73 results
https://drivepatents.com/patents/1100136 · 27 Nov 2002
A fuel cell comprising a container (20) having a gas inlet (20a) and a gas outlet (20b), and a multi-element stack contained in the container and made up of two or more elements (16a,16b) for the fuel cell, the element comprising an electrolyte layer (10a,...
https://drivepatents.com/patents/1102094 · 4 Sep 2002
A fuel cell system (200) includes a fuel cell (110) disposed within an enclosure (130). Pressure is controlled within the fuel cell by a flow control (140); and pressure is controlled within the enclosure by an enclosure pressure control (150). The pressur...
https://drivepatents.com/patents/1102515 · 14 Aug 2002
A method and system (10) for controlling reformate (102) delivered to an electrochemical cell (50) in an electric power system (10). The system (10) comprises: a reformate pressure sensor (22) disposed in the reformate (102) and configured to measure refor...
https://drivepatents.com/patents/1102823 · 31 Jul 2002
A method and apparatus for supplying and containing a flow of reducing gas within a fuel cell is disclosed for a fuel cell having a gas control valve system (100) comprising a fuel cell unit, an inlet and an outlet coupled to the fuel cell unit, an actuato...
https://drivepatents.com/patents/1105028 · 24 Apr 2002
The fuel cell system has at least one fuel cell (3) and at least one device (11) for cleaning the induction air arranged in a region before the cathode volume of the fuel cell(s) and/or in a region before a gas generation system (5) of the fuel cell system...
https://drivepatents.com/patents/1108213 · 28 Nov 2001
The fuel cell system has at least one fuel cell (12), a compressor for supplying air to the fuel cell(s) and a noise insulation arrangement for damping noise in the air path of the fuel cell system. The noise insulating arrangement (10,11,13,14,16) is esse...
https://drivepatents.com/patents/1108410 · 21 Nov 2001
Fuel cell system comprises a fuel cell unit (1) with an anode (2) and a cathode (3); a media feeding path for the anode; a media feeding path for the cathode; and a cathode waste gas flow path (4). A compressor (5) for supplying air to the cathode is arran...
https://drivepatents.com/patents/1109034 · 24 Oct 2001
Apparatus for leveling out the concentration swings of a gas component in a combustion gas stream in a dynamically-operated fuel cell system (1) is such that there is included 'in-line' a buffer unit (10) containing a material which adsorbs or absorbs gas ...
https://drivepatents.com/patents/1109005 · 24 Oct 2001
Improving the start-up in the cold start of a catalytic unit (2) in gas producers in a mobile fuel cell system involves accumulating (i.e. trapping) start-hindering gas components in an intermediate storage unit (1) in the gas feed system and then allowing...
https://drivepatents.com/patents/1109531 · 4 Oct 2001
Upstream from a fuel cell unit (2) there are devices for adjusting pressure in a gas generation system (5) and/or a mass flow rate through the fuel cell unit, so that pressure can be reduced at least short term during change-over from a partial load area t...