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| Number | Title | Issue Date |
| 7235316 | Integrated heat management of electronics and fuel cell power system A method and apparatus for managing heat generated by a device that is powered at least in part by a direct oxidation fuel cell. Additional heat tends to improve the reaction in the direct oxidation fuel cell, and so unwanted heat produced by a powered device can be... | 06/26/2007 |
| 7235315 | Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodes An electrochemical fuel cell stack comprises a plurality of fuel cell assemblies, wherein, each fuel cell assembly comprises a cell compressed between a pair of flow field plates, a perimeter seal circumscribing the cell and interposed between the pair of flow field... | 06/26/2007 |
| 7235318 | Fuel cell system back-pressure control with a discrete valve A fuel cell system that employs a two-position valve at the cathode exhaust gas output for controlling the pressure within the fuel cell stack to control the stack relative humidity. In one embodiment, the two-position valve is switchable between a fully open and a ... | 06/26/2007 |
| 7235319 | Method and device for deionizing cooling media for fuel cells The present invention relates to a process for the deionization of a cooling medium in a fuel cell (11) circulating in a cooling circuit (20), in which the cooling medium is subjected to at least intermittent, but preferably continuous, electrochemical... | 06/26/2007 |
| 7232504 | Apparatus and method for distilling waste liquids A distilling apparatus and method use a two step distillation and purification process for processing a waste liquid, such as an impure sulfuric acid solution, to form a highly concentrated sulfuric acid solution. First, the waste liquid is stored in a concentrating... | 06/19/2007 |
| 7229711 | Managing water and auxiliary power in fuel cell power plant below freezing temperatures A stack (11) of fuel cells have water flow channels receiving water through a pump (33) from an accumulator (29) having double walls (63, 66) with vacuum insulation panels (VIPs) (65, 68) therebetween, auxiliary DC power source ( | 06/12/2007 |
| 7229710 | Electrochemical system and methods for control thereof The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fuel cell or as a battery. In c... | 06/12/2007 |
| 7226680 | Integrated air cooler, filter, and humidification unit for a fuel cell stack System for thermally conditioning, humidifying and filtering reactant feed gases supplied to a stack of fuel cells using an evaporative element, a water spray mechanism and a heat exchanger. The evaporation element also functions as a filter. The evaporative element... | 06/05/2007 |
| 7226689 | Method of making a membrane electrode assembly for electrochemical fuel cells A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange membrane. In particular, a one-sided CCM may be used where it may not ... | 06/05/2007 |
| 7226679 | Fuel cell system with degradation protected anode A method of operating a fuel cell including an anode, a cathode, a first passage, and a second passage, wherein the anode is disposed in the first passage and the cathode in the second passage including producing a non-explosive gaseous feed consisting of (i) at lea... | 06/05/2007 |
| 7226018 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The invention can provide motive force to the wheel when electrical power is applied, e.g. pr... | 06/05/2007 |
| 7226675 | Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a fuel cell, a metal hydride hydrogen storage unit, an electric motor, high specific power, high energy density nickel-metal hydride (NiMH) batteries, and prefer... | 06/05/2007 |
| 7223487 | Fuel cell system 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 from the comp... | 05/29/2007 |
| 7223489 | Hydrogen purge control apparatus A hydrogen purge control apparatus includes a fuel cell stack from which hydrogen is purged as necessary, a purged hydrogen dilution device which is disposed downstream of the fuel cell stack, and which has a chamber formed therein, a first inlet for purged hydrogen... | 05/29/2007 |
| 7223490 | Fuel cell employing local power generation when starting at low temperature A fuel cell which can self-heat in a short time, in which no reaction gas is necessary for combustion, thereby improving the starting performance at low temperatures. The fuel cell comprises a cell structure in which an anode and a cathode are provided on either sid... | 05/29/2007 |
| 7220503 | Method for operating a fuel cell in the minimal-or partial-load region The invention relates to a method for operating a PEM or DMFC fuel cell in the minimal- or partial-load region. According to the invention, the size of the cell surface, on which the fuel cell reaction takes place, is altered by means of opening or closing of feed c... | 05/22/2007 |
| 7222001 | System for monitoring and controlling fuel cell-based power generation units A system includes fuel cell units and an on-site computer that is located near the units. The on-site computer is coupled to the fuel cell subsystems to communicate indications of operating conditions of the fuel cell subsystems over a remote communication link to a... | 05/22/2007 |
| 7220513 | Balanced humidification in fuel cell proton exchange membranes A fuel cell with a gas diffusion media having a hydrophobic layer adjacent a flow field plate and a hydrophilic layer adjacent the membrane electrode assembly of the fuel cell. The two layers enable balanced humidification of reactant gas along with a basis for mana... | 05/22/2007 |
| 7220514 | Polymer electrolyte fuel cell In a polymer electrolyte fuel cell including a hydrogen ion conductive polymer electrolyte membrane; a pair of electrodes composed of catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contac... | 05/22/2007 |
| 7216695 | Method of operating a thermal management system A spray cooling system for extreme environments for providing a desired enclosed environment for electronic devices regardless of external environmental conditions. The spray cooling system for extreme environments includes an enclosure that isolates the electronic ... | 05/15/2007 |
| 7218489 | High-power ultracapacitor energy storage pack and method of use An ultracapacitor energy storage cell pack includes an ultracapacitor assembly having a plurality of series connected ultracapacitors and balancing resistors, each balancing resistor connected in parallel with each ultracapacitor to automatically balance each ultrac... | 05/15/2007 |
| 7216812 | Device for air conditioning a vehicle A device for conditioning a vehicle includes at least one electrically operated conditioning arrangement, a hot air supply system with a heat source, and a delivery arrangement for delivery of heated air into a vehicle interior, a fuel cell system for providing elec... | 05/15/2007 |
| 7216484 | Arc-hydrolysis steam generator apparatus and method An arc-hydrolysis steam generator apparatus and method of use thereof, the steam generator comprising of an arc-plasma hydrolysis using a high pressure vessel and electrodes exposed to high frequency, high amperage pulses and an inductor placed around an arc-hydroly... | 05/15/2007 |
| 7214437 | Method for electrically starting up a fuel cell A method is used to start up a fuel cell electrically in a fuel cell installation, especially a fuel cell for use in a motor vehicle, with a gas-generating system producing a hydrogen-containing gas flow. The gas flow from the gas-generating system and an oxygen-con... | 05/08/2007 |
| 7211343 | Fuel cell system and method for voltage monitoring for a fuel cell system A fuel cell system having a redundant voltage monitoring system for monitoring the voltage which is present on a fuel cell unit, and a method for voltage monitoring. ... | 05/01/2007 |
| 7211345 | Membrane electrode assemblies for use in fuel cells Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 05/01/2007 |
| 7211344 | Fuel cell systems Fuel cell systems and methods of operating fuel cell systems are disclosed. In some embodiments, the systems and methods include an emission control system that reduces an amount of organic emission(s) released from the fuel cell systems. The organic emission(s) can... | 05/01/2007 |
| 7211342 | Fuel cell system with regenerative bed A partial fuel cell system for converting a flow of a reactant to electricity and a flow of exhaust gases. The partial fuel cell system may include a first heat exchanger for exchanging heat between the flow of exhaust gases and the flow of the reactant, a second he... | 05/01/2007 |
| 7208439 | Gold-based alloy nanoparticles for use in fuel cell catalysts A method is featured for fabricating Carbon-supported AuPt nanoparticle catalysts for fuel cells, and particularly fuel cells using methanol as the fuel. The method prepares AuPt-based fuel cell catalysts having a wide range of controllable Au:Pt ratios. The AuPt ca... | 04/24/2007 |
| 7208437 | Catalyst and method for its manufacture A catalyst is synthesized by a method in which a catalytic metal such as platinum or another noble metal is dispersed onto a support member. A transition metal macrocycle is also adsorbed onto the support, and the support is heat treated so as to at least partially ... | 04/24/2007 |
| 7208246 | Fuel cell with integrated heater and robust construction A fuel cell assembly including a substrate and an electrolyte disposed on the substrate and having a rib projecting out from the substrate. The rib has first and second side surfaces and a top surface. An anode is disposed on the first side surface and a cathode is ... | 04/24/2007 |
| 7205059 | Methods and apparatuses for managing effluent products in a fuel cell system A water management system for a fuel cell having an anode chamber including a fuel, a cathode chamber in fluid communication with an oxidizing agent, and a proton conducting membrane electrolyte separating the chambers. The system includes a gas plenum, a first valv... | 04/17/2007 |
| 7205058 | Residual stack shutdown energy storage and usage for a fuel cell power system A fuel cell system is provided for storing energy created from the reaction of residual gases at shutdown of a fuel cell stack. This energy can then be used for powering a component of the fuel cell stack and enables air to be used to purge the anode gas. ... | 04/17/2007 |
| 7205255 | Electrode catalyst for fuel cell and method for production thereof An electrode catalyst for a fuel cell is provided which excels in catalytic activity and catalytic durability. The electrode catalyst for the fuel cell has noble metal-containing particle deposited on an electroconductive carrier and the noble metal-containing parti... | 04/17/2007 |
| 7201990 | Fuel cell stack An intermediate plate is interposed between first and second sub-stacks. The intermediate plate has, defined in a surface thereof, an oxygen-containing gas mixing passage interconnecting an oxygen-containing gas outlet in the first sub-stack which is located upstrea... | 04/10/2007 |
| 7201984 | Integrated self-cooling plant support module for a fuel cell system An integrated system for air-cooling a main air blower drive motor and electronic control module in a fuel cell plant support module (PSM) disposed in an enclosure. Process air is drawn by a main blower fan into the enclosure through a filter and then is drawn from ... | 04/10/2007 |
| 7201981 | Fuel cell stack and method of warming up the same A fuel cell stack is formed by stacking a plurality of fuel cells. A heating mechanism is provided for heating an outermost fuel cell by external electrical energy. A power generation circuit including electric heaters corresponding to the fuel cells is provided. Fu... | 04/10/2007 |
| 7201979 | SORFC system and method with an exothermic net electrolysis reaction A solid oxide regenerative fuel cell system is used to supply power in a fuel cell mode and to generate a hydrocarbon fuel in an electrolysis mode. The system includes a solid oxide regenerative fuel cell and a reactor adapted to convert an exhaust emitted from the ... | 04/10/2007 |
| RE39556 | Fuel cell and method for controlling same The present invention relates to an improved fuel cell and method of controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell... | 04/10/2007 |
| 7201980 | Fuel cell apparatus and method for feeding a fuel for fuel cell Fuel cell apparatus and method for feeding a fuel for fuel cell. Optimal power generation for the output demanded by a fuel cell can be achieved. A fuel mixer can adjust the methanol concentration of a mixed solution, and it adjusts the concentration of the mixed so... | 04/10/2007 |
