About 25 results
https://drivepatents.com/patents/1011369 · 29 Jun 2011
A method is provided for measuring remaining hydrogen capacity of hydrogen storage canister (3) incorporating tag information. An information identification tag (5) is attached to a hydrogen storage canister (3). The information identification tag contains...
https://drivepatents.com/patents/1075768 · 20 Jul 2005
A functional test and demonstration apparatus is provided for a fuel cell power system, which includes a mainframe for supporting a fuel cell stack. A hydrogen supply module supplies hydrogen to the fuel cell stack, and excessive hydrogen flows out from a ...
https://drivepatents.com/patents/1075955 · 13 Jul 2005
A sealing structure for sealing a proton exchange membrane fuel cell is disclosed. The fuel cell includes a membrane electrode assembly, an anode plate, and a cathode plate. Both of the plates are formed with a peripheral groove and an extended groove at a...
https://drivepatents.com/patents/1076904 · 15 Jun 2005
A power management system includes a fuel cell based primary power supply (1) and a rechargeable cell based secondary power supply (2) and a charging control circuit (5) arranged between the two power supplies. A controller (7) applies a charging control s...
https://drivepatents.com/patents/1079233 · 16 Mar 2005
A device (2) for regulating temperature and humidity of a reaction gas to be supplied to a fuel cell stack includes a temperature regulation section (4) provided with a first gas guide board (42) through which the reaction gas flows, a coolant guide board ...
https://drivepatents.com/patents/1080641 · 19 Jan 2005
A module for humidifying a fuel cell (5) and a unit cell (100) therein. The unit cell includes a first guiding plate (10), a second guiding plate (20), and an intermediate layer (30). The first guiding plate, communicating with the fuel cell, includes a pl...
https://drivepatents.com/patents/1080650 · 19 Jan 2005
A flow field pattern for separator plates of a fuel cell system is disclosed. The separator plate is formed with a gas inlet port at a first edge, a gas outlet port at a second edge, and a plurality of gas channels at a first surface. A first guide channel...
https://drivepatents.com/patents/1080774 · 12 Jan 2005
A water draining structure for gas reaction plate of a fuel cell stack includes a gas inlet, a gas outlet, a plurality of wide gas channels parallelly arranged to communicate with the gas inlet, and a plurality of narrow gas channel parallelly arranged to ...
https://drivepatents.com/patents/1082696 · 3 Nov 2004
A control device for controlling the operation of a fuel cell system is disclosed, including a microprocessor, a voltage detection circuit, a current detection circuit, a hydrogen pressure detection circuit, a temperature detection circuit, an air flow rat...
https://drivepatents.com/patents/1083208 · 13 Oct 2004
A fuel cell assembly having a self-recycling humidifier. The fuel cell assembly includes a humidifier and a fuel cell module communicating with an external hydrogen source. The fuel cell module chemically combines hydrogen from the hydrogen source and oxyg...