Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8042343 | Cooling of avionics using a fuel tank and refrigerant source An avionics cooling system including an avionics cooling circuit operating with a liquid coolant; a fuel circuit; and a vapor cooling cycle operating with a refrigerant. The avionics cooling circuit transfers heat withdrawn from avionics to the fuel circuit, whereby... | 10/25/2011 |
| 7360368 | System and method for vaporizing a cryogenically stored fuel A system and method for vaporizing a cryogenically stored fuel, particularly hydrogen, liquefied by cooling below the ambient temperature is provided. A system for vaporizing a cryogenically stored fuel uses heat arising in the area of a fuel consumer, and includes:... | 04/22/2008 |
| 7331303 | Floating power plant A floating power plant includes a hull having a structure suitable for being movable at sea; a plurality of watertight bulkheads placed in the hull to a height of a freeboard deck, thus partitioning the interior of the hull into a plurality of watertight chambers; a... | 02/19/2008 |
| 7191603 | Gaseous fluid production apparatus and method Gaseous fluid production apparatus according to one embodiment of the invention includes a fluid container containing fluid in substantially the liquid state. A first fluid line is connected to the fluid container so that it receives from the fluid container a first... | 03/20/2007 |
| 7169493 | Fuel cell system with thermal management and method of operation thereof A fuel cell system includes a fuel cell apparatus and a heat storage device. The heat storage device is in fluid communication with and responsive to the fuel cell apparatus and is adapted to receive and store heat from and deliver heat to the fuel cell apparatus. | 01/30/2007 |
| 7160641 | Methods to cool a fuel cell and if desired heat a hybrid bed simultaneously A technique for rejecting heat from a fuel cell stack. Heated stack coolant from the fuel cell stack is directed to a heat pump module where it is compressed to raise its temperature. The heated and compressed coolant is then directed through a radiator that cools t... | 01/09/2007 |
| 7155916 | Supply unit cooling A feed gas supply unit for a fuel cell system uses a feed gas supply and/or cooling fluid passages to cool the control unit, bearings, and motor of the feed gas supply device. ... | 01/02/2007 |
| 7114342 | Pressure management system for liquefied natural gas vehicle fuel tanks A storage and delivery device for a cryogenic liquid that includes a vessel assembly and a delivery line assembly. The vessel assembly has a liquid space and a vapor space. The delivery line assembly has a liquid line, a vapor line, and a delivery line. The liquid l... | 10/03/2006 |
| 7069730 | Liquid and compressed natural gas dispensing system A system dispenses both liquid natural gas (LNG) and compressed natural gas (CNG). A bulk tank contains a supply of LNG which is pumped to a smaller storage tank. After the storage tank is refilled, LNG from the bulk tank is pumped to a vaporizer so that CNG is prod... | 07/04/2006 |
| 7040430 | Cogeneration vehicle system utilizing a fuel cell car and a mobile unit as a component of the system There is provided a vehicle system, including an electromobile having a fuel cell power generator mounted therein, and a predetermined mobile unit jointable to the electromobile, such that cogeneration within the mobile unit can be realized even during the travel of... | 05/09/2006 |
| 7036323 | Cryogenic tank for storing cryogenic fuel in a motor vehicle and method for using same A tank for storing a cryo fuel in a vehicle with an internal storage container, an external container enveloping the internal container, and an electromagnetically switch selectable thermal bridge element which can produce or interrupt a heat conducting connection b... | 05/02/2006 |
| 7011048 | Method and apparatus for liquid fuel preparation to improve combustion An apparatus and method for dissolving gas or gases in liquid fuel to improve combustion of the liquid fuel when injected into a combustion chamber is provided. A gas-charger unit is provided to dissolve the gas into liquid fuel at a first pressure. The pressure of ... | 03/14/2006 |
| 6994929 | Electrochemical hydrogen compressor for electrochemical cell system and method for controlling In one embodiment, an electrochemical cell system comprises: a fuel cell stack comprising a fuel cell having a fuel cell hydrogen inlet and a fuel cell hydrogen outlet, and a first electrochemical hydrogen compressor in fluid communication with the fuel cell hydroge... | 02/07/2006 |
| 6994104 | Modular system for storing gas cylinders The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a given compositi... | 02/07/2006 |
| 6971410 | Portable drum dosing system A portable drum dosing system includes an outer mast assembly extending generally horizontally from the main frame and includes a pair of legs disposed at an angle with respect to each other so that the legs may straddle and dispose the main frame near a drum. An up... | 12/06/2005 |
| 6901762 | Device and method for pressure control of cargo tank of liquefied natural gas carrier An apparatus for controlling the pressure in a cargo tank 1 supplies BOG generated from liquefied natural gas stored in the cargo tank 1 to a burning system 6 through a compressor. In this apparatus, a reliquefaction plant 5 is disposed o... | 06/07/2005 |
| 6584780 | System for storing dissolved methane-base gas A system stores densely dissolved methane-base gas and supplies gas of a predetermined composition. A container (10) stores methane-base gas dissolved in hydrocarbon solvent and supplies it to means for adjusting composition, through which an object of re... | 07/01/2003 |
| 6526760 | Method and apparatus for conveying a cryogenically-stored fuel The invention relates to a method and an apparatus for conveying a cryogenically-stored fuel to an internal-combustion engine for providing a combustible working gas. In accordance with the invention, the cryogenically-stored fuel is drawn, in the liquid ... | 03/04/2003 |
| 6374618 | Cryogenic fluid supply from supercritical storage system A system for providing cryogenic sub-critical liquid oxygen and liquid hydrogen to storage tanks and payloads contained inside the payload bay of a space vehicle is described. The system provides for transferring cryogenic fluid from a supercritical stora... | 04/23/2002 |
| 6151900 | Cryogenic densification through introduction of a second cryogenic fluid A system and method for cooling a first cryogenic liquid in a vessel comprises the steps of directing a second cryogenic into the first cryogenic fluid and releasing gas from the vessel. The first cryogenic fluid has a boiling point that is higher than th... | 11/28/2000 |
| 6131395 | Propellant densification apparatus and method A method for densifying the LO2 propellant of a vehicle (10) includes providing a heat exchanger (16) including a chamber (22), and an isolated heater (24) and cooler (26) located within the chamber (22). The method further includes the step of pumping pr... | 10/17/2000 |
| 6131397 | Slush producing process and device Slush is made from a liquid using slush making systems or according to slush making processes. A jacketed vessel of the processes and the systems has an interior wall that defines an interior space. The interior space comprises a top and a bottom. The int... | 10/17/2000 |
| 6125637 | Systems for delivering liquified natural gas to an engine A fuel delivery system includes a fuel tank configured to receive liquid natural gas. A first conduit extends from a vapor holding portion of the fuel tank to an economizer valve. A second conduit extends from a liquid holding portion of the fuel tank to ... | 10/03/2000 |
| 6116030 | Vacuum pump and propellant densification using such a pump A vacuum pump of the steam-ejector type uses steam generated by the combustion of hydrogen and oxygen. The mass of ejected steam is increased, and the temperature of the ejected steam is reduced, by injection of water into the combustion product. Propella... | 09/12/2000 |
| 6073450 | Combined diffuser and recirculation manifold in a propellant tank A cryogenic propellant tank system and process for densifying cryogenic liquid propellant comprises a tank with a combined manifold, a combined manifold line, a pressurizing gas line, and a vent line. The combined manifold is located in the tank. The comb... | 06/13/2000 |
| 6058713 | LNG fuel storage and delivery systems for natural gas powered vehicles Fuel storage and delivery systems are provided for storing pressurized liquefied natural gas (PLNG) fuel at a pressure of about 1035 kPa (150 psia) to about 7590 kPa (1100 psia) and at a temperature of about -123° C. (-190° F.) to about -62° C. (-80° ... | 05/09/2000 |
| 6003300 | Technique for high mixing rate, low loss supersonic combustion with solid hydrogen and liquid helium fuel This invention relates to a fueling process that allows complete combustion with air in the combustor of an aircraft traveling at a speed greater than the speed of sound. A process is described to inject a jet of solid hydrogen particles admixed in liquid... | 12/21/1999 |
| 5954101 | Mobile delivery and storage system for cryogenic fluids A delivery and storage system for cryogenic fluids features a vehicle mounted dispensing system including a bulk storage tank that feeds cryogenic liquid to a sump containing a pump to pre-cool the pump. The pump feeds cryogenic liquid to another sump con... | 09/21/1999 |
| 5862670 | Cyrogenic upper stage for reusable launch vehicle Leakage of propellants such as oxygen and hydrogen in an enclosed environment in the atmosphere can lead to fires or explosions. For storage tanks on reusable launch vehicles such as the space shuttle where propellant is to be stored in the cargo bay of t... | 01/26/1999 |
| 5819542 | Heat exchanger device A heat exchanger device, comprising a first heat exchanger for evaporation of liquid natural gas (LNG), and a second heat exchanger for superheating of gaseous natural gas (NG). The heat exchangers (1) are arranged for heating these fluids by means of a h... | 10/13/1998 |
| 5699839 | Zero-vent liquid natural gas fueling station A liquefied natural gas (LNG) fueling station which does not vent natural gas vapors. Three cryogenic storage vessels alternately serve as dispensing, conditioning, and receiving vessels. A natural gas compressor transfers vapor between the vessels and ev... | 12/23/1997 |
| 5694985 | System and method for compressing natural gas and for refueling motor vehicles A system and method for selectively refueling a plurality of vehicle storage tanks with compressed natural gas (CNG) are provided that utilize a compressor system operable at suction pressures ranging from about 330 to about 3600 psig and discharge pressu... | 12/09/1997 |
| 5678410 | Combined system of fuel cell and air-conditioning apparatus The present invention provides a combined system for activating a fuel cell with hydrogen absorbed and stored in a hydrogen-storage alloy to drive an electric vehicle and for conditioning the air with the hydrogen absorbed and stored in the hydrogen-stora... | 10/21/1997 |
| 5630328 | Natural gas conditioning facility A facility for conditioning compressed natural gas to be dispensed to vehicle fuel tanks is provided that includes a fuel storage system, a chilling apparatus, and a fuel dispensing system. The chilling apparatus includes a refrigeration system and a liqu... | 05/20/1997 |
| 5605647 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes... | 02/25/1997 |
| 5590535 | Process and apparatus for conditioning cryogenic fuel to establish a selected equilibrium pressure A method and apparatus for conditioning cryogenic fuel includes providing a primary storage tank for liquefied cryogenic fuel, a vapor storage tank communicating with the primary storage tank for storing vapor withdrawn from the primary storage tank at a ... | 01/07/1997 |
| 5560212 | Vehicle air conditioning system using liquid gas An air conditioning system is disclosed for cooling a cabin of a vehicle. The vehicle has combustion chambers and a cooling system which circulates vehicle coolant. The cooling system also includes a radiator and an intake manifold. The air conditioning s... | 10/01/1996 |
| 5548962 | Refueling process for cryogenic liquids A refueling process for cryogenic liquids, in which the cryogenic liquid in question is transferred from a storage tank into a receiving tank via a detachable line connection. Before or during the refueling process, the cryogenic liquid is cooled in the s... | 08/27/1996 |
| 5538051 | CNG refueling system for multiple vehicles A system and method for selectively refueling a plurality of vehicle storage tanks with compressed natural gas (CNG) are provided that utilize a compressor system operable at suction pressures ranging from about 330 to about 3600 psig and discharge pressu... | 07/23/1996 |
| 5537824 | No loss fueling system for natural gas powered vehicles The fueling station consists of a vacuum insulated storage vessel for storing a large quantity of LNG at low pressure. The LNG is delivered to one of two relatively small volume fuel conditioning tanks where the pressure and temperature of the LNG can be ... | 07/23/1996 |
