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| Number | Title | Issue Date |
| 4362789 | Fuel cell cooling and recirculation system Method and apparatus for cooling and recirculating oxidant to the cathode of a fuel cell stack. Heat energy is removed from the fuel cell stack through utilization of excess air or other oxidant relative to the stoichiometric amount for reaction with a hy... | 12/07/1982 |
| 4352863 | Apparatus and method for producing high pressure steam in a fuel cell system High pressure steam is generated in a fuel cell system utilizing a quantity of process gas which has been exhausted from the system fuel cell and whose temperature has been raised through heat exchange with a higher temperature gas generated elsewhere in ... | 10/05/1982 |
| 4344849 | Fuel cell power plant self-controlling coolant cleaning process In an automated process for deaerating and purifying both the water which is recirculated in a coolant loop through a stack of fuel cells and the make-up water for the coolant loop, a portion of the water from the coolant loop is blown down into a deaerat... | 08/17/1982 |
| 4344850 | Fuel cell power plant coolant cleaning system and method In a process for deaerating and purifying both the water which is recirculated in a coolant loop through a stack of fuel cells and the make-up water for the coolant loop, a portion of the water from the coolant loop is blown down into a deaerator water re... | 08/17/1982 |
| 4326013 | Energy system A central photovoltaic collection array is used on a shared basis to recharge transportable fuel cell trailers each provided with an electrolysis cell. The electrolysis cell is fed by a container of water and when connected to the array the water is broke... | 04/20/1982 |
| 4320180 | Fuel cell A fuel cell using hydrogen sulfide as the fuel therefor, wherein the electrolytic cell is divided by a diaphragm into a positive electrode chamber and a negative electrode chamber, which fuel cell is operated by feeding a redox solution as the negative el... | 03/16/1982 |
| 4312927 | Energy conversion and storage process An energy conversion process for converting thermal energy into stored electrochemical energy and then into electrical energy comprising heating a first FeCl2 -containing electrolyte melt to produce gaseous FeCl3 and a reductant prod... | 01/26/1982 |
| 4292378 | Thermal regeneration of an electrochemical concentration cell A system and method for thermally regenerating an electrochemical concentration cell having first and second aluminum electrodes respectively positioned in contact with first and second electrolytes separated by an ion exchange member, the first and secon... | 09/29/1981 |
| 4259414 | Non-air polluting, non-pyrolytic upgrading of coal for cleaner and more effective electrical power generation A non-polluting, non-pyrolytic process to increase the electrical energy derived from coal comprises the reacting of coal with water at a sufficient temperature to form carbon monoxide and hydrogen with the further processing of the carbon monoxide to for... | 03/31/1981 |
| 4251601 | Fuel-dissociation electrical current generating apparatus and method The disclosure is directed to a method of generating electrical current in a controlled fashion from ionically conductive fuels such as hydrazine based fuels by bringing the fuel up to its dissociation temperature between two electrodes of dissimilar mate... | 02/17/1981 |
| 4203963 | Staged vaporization of liquid hydrocarbon fuels A method for vaporization of liquid hydrocarbon fuel wherein liquid hydrocarbon fuel is mixed with vapor to provide a vapor product which is heated. The heated vapor product is mixed with additional liquid hydrocarbon fuel to provide a second vapor produc... | 05/20/1980 |
| 4200682 | Integrated fuel cell and fuel conversion apparatus A pair of reaction vessels provide hydrogen to a fuel cell by making hydrogen in one of the vessels while simultaneously regenerating the other vessel, and then reversing the function of the vessels. In the vessel making hydrogen a hydrocarbon feedstock i... | 04/29/1980 |
| 4171409 | Method and apparatus for generating power utilizing reverse electrodialysis A method and apparatus are described for generating power utilizing reverse electrodialysis in which a concentrated ionic solution and a dilute ionic solution are passed through two pathways in a reverse electrodialysis unit including a membrane stack, wh... | 10/16/1979 |
| 4128700 | Fuel cell power plant and method for operating the same In a fuel cell power plant the anode and cathode exhausts are combined and burned in a burner with a first portion of the burner exhaust being delivered into fuel conditioning apparatus to provide the heat for converting a carbonaceous fuel to hydrogen. T... | 12/05/1978 |
| 4120787 | Fuel cell water conditioning process and system and deaerator for use therein Water produced as a by-product of the electrochemical reaction in a fuel cell is treated so as to enable its use to produce, in a fuel conditioning subsystem including a steam generator and raw hydrocarbon fuel reformer, fuel for delivery to the fuel cell... | 10/17/1978 |
| 4098958 | Thermoelectric generator devices and methods Thermoelectric generator devices and methods using, for example, alkali metal as a working fluid are disclosed. In operation, elemental alkali metal is ionized on the inside of an electrolyte tube to alkali metal cations, reconverted outside the tube to e... | 07/04/1978 |
| 4090012 | Electrochemical heat engine Electrochemical heat engines produce electrochemical work, and mechanical motion is limited to valve and switching actions as the heat-to-work cycles are performed. The electrochemical cells of said heat engines use molten or solid electrolytes at high te... | 05/16/1978 |
| 4087976 | Electric power plant using electrolytic cell-fuel cell combination High-temperature (1200-1500K) electrolysis of water and recombination of the products in a medium-temperature (530K) fuel cell achieve a practical efficiency exceeding 50%. A solid electrolyte is chosen for the electrolytic cell and in combination with th... | 05/09/1978 |
| 4046956 | Process for controlling the output of a selective oxidizer The output from a selective oxidizer is controlled by modifying the rate of oxidant input in accordance with the operating temperature of the selective oxidizer. In a preferred embodiment, wherein the selective oxidizer has a slow temperature response, gr... | 09/06/1977 |
| 4001041 | Pressurized fuel cell power plant A fuel cell power plant for producing electricity uses pressurized reactants in the cells. In one embodiment air for the fuel cells is compressed in a compressor driven by a turbine which is powered by waste energy produced in the power plant in the form ... | 01/04/1977 |
| 3993502 | Metal halogen hydrate battery system A metal-halogen-hydrate electrical energy system having two fluid flow loops operating in parallel driven from the same pump.... | 11/23/1976 |
| 3982962 | Pressurized fuel cell power plant with steam powered compressor A fuel cell power plant for producing electricity uses pressurized air and fuel in the cells. A compressor is driven by a turbine operably connected thereto and provides compressed air to the cells. The turbine is driven by a working fluid in a hot, press... | 09/28/1976 |
| 3975913 | Gas generator and enhanced energy conversion systems A gas generator is disclosed which will simply and reliably effect a gas producing reaction between a gaseous and a liquid reactant. The generator can operate at elevated temperatures and has heat exchange means incorporated. The gas generator is applied ... | 08/24/1976 |
| 3940285 | Corrosion protection for a fuel cell coolant system The internal coolant system of a fuel cell power plant utilizes a gas in the coolant fluid to inhibit the corrosion of those fuel cell components that corrode due to shunt currents flowing through the coolant fluid. In a preferred embodiment hydrogen gas ... | 02/24/1976 |
