About 42 results
https://drivepatents.com/patents/1081632 · 15 Dec 2004
It has heretofore been practiced upon the occurrence of abnormalities on the equipment to make tentative conditioned operation disregarding abnormalities on the assumption that the abnormalities shall be coped with by servicemen. Thus, troubles having insi...
https://drivepatents.com/patents/1083623 · 29 Sep 2004
A fuel cell stack (2) of a fuel cell power plant (1) generates electric power using a fuel gas such as hydrogen supplied from a fuel gas supply device (3, 5, 5a), and an oxidant gas such as air supplied from an oxidant gas supply system (4). The fuel cell ...
https://drivepatents.com/patents/1083555 · 29 Sep 2004
A fuel cell system including a fuel cell, an air compressor for supplying compressed air to the fuel cell, an expander for recovering energy from the air discharged from the fuel cell, and a heat exchanger for exchanging heat between the air discharged fro...
https://drivepatents.com/patents/1086651 · 9 Jun 2004
A fuel cell assembly (10) comprises a container (14), configured to be pressurized. A fuel cell (12) is disposed in the container (14) and a thermal shield (16) substantially surrounds an inner periphery (58) of the container (14) to provide generally unif...
https://drivepatents.com/patents/1086831 · 2 Jun 2004
Using fuel and air introduced for working a power generation portion 20, cooling of the power generation portion 20 is performed in a reaction gas heat exchanger 24. This obviates the necessity for separately introducing air for cooling, and only compresse...
https://drivepatents.com/patents/1092606 · 15 Oct 2003
A fuel cell comprising a container (20) and a fuel cell element or elements (16) contained in the container (20), to which a mixed fuel gas containing a fuel gas and oxygen is fed to generate electricity, and the gas having passed through the fuel cell ele...
https://drivepatents.com/patents/1096002 · 14 May 2003
The system has an arrangement (1) for producing hydrogen with a reformer (2) and several gas cleaning stages (3). A gas burner (5) with an exhaust gas feed (4) heats the reformer. A polymer electrolyte membrane or PEM fuel cell (6) has connections (7, 8) f...
https://drivepatents.com/patents/1096250 · 2 May 2003
The invention relates to a fuel cell system and a method for operating the same where the fuel cell system comprises a fuel cell (1) with a fuel processing portion (1.1,2,3) which comprises an anode (1.1) with a fuel feed line (2) to feed fuel to the anode...
https://drivepatents.com/patents/1102330 · 21 Aug 2002
A method for monitoring process gas of a solid oxide fuel cell system (10) is disclosed. The method comprises directing a portion of process gas from a chamber (16) of the solid oxide fuel cell system (10) to a main plenum chamber (12). A portion of proces...
https://drivepatents.com/patents/1106390 · 27 Feb 2002
The system has at least one fuel cell with an anode circuit in which a coolant/fuel mixture circulates under pressure and passes through an anode chamber separated by a proton-conducting membrane from a cathode chamber forming part of a cathode circuit in ...