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| Number | Title | Issue Date |
| 7849691 | Steam methane reforming with LNG regasification terminal for LNG vaporization Systems and methods for regasifying liquefied natural gas (LNG) are provided. The LNG is regasified by transferring heat from a steam methane reforming reaction to the LNG. In one embodiment, heat is transferred to the LNG from a synthesis gas produced in a steam me... | 12/14/2010 |
| 7406830 | Compression-evaporation system for liquefied gas The compressor-evaporator system for liquefied gas contained in a tank comprises, in addition to a deice for evaporation by heat exchange with a liquid and devices for conditioning and transferring gas to a pipeline, a motor-driven turbopump comprising a rotary asse... | 08/05/2008 |
| 7350372 | System and method for selective heating and cooling A combined heating/cooling system and method is provided wherein an absorption tank (20) houses a refrigerant and absorbant mixture composition. A boiler (50) heats the high pressure mixture composition and vaporizes the refrigerant. Heated absorbant i... | 04/01/2008 |
| 7347057 | Control of dual-heated absorption heat-transfer machines An absorption, heat-transfer system with an operationally interconnected generator, absorber, condenser, and evaporator; at least two separate heat sources for heating the generator; and a controller for controlling the heat sources. The controller, e.g., a programm... | 03/25/2008 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7340897 | Method of and apparatus for producing power from a heat source A method for producing power from a heat source comprises the steps of: heating an intermediate fluid with heat from the heat source and producing a vaporized intermediate fluid in an intermediate fluid heater/vaporizer. Heat from the vaporized intermediate fluid va... | 03/11/2008 |
| 7318315 | Method of combining wastewater treatment and power generation technologies Applicant's preferred embodiment utilizes municipal wastewater effluent to replenish a depleted geothermal field. Condensate produced by expanding steam produced in the geothermal field through a steam turbine-generator may be pooled with cooked water collected from... | 01/15/2008 |
| 7318316 | Reheat/regenerative type thermal power plant using Rankine cycle A reheat-and-regenerating type thermal power plant (A) using Rankine cycle has a water feed bypass (BW) which supplies high temperature fluid (28) produced in a large incineration plant (27) to a heat exchanger (29) and by which confluent feed w... | 01/15/2008 |
| 7310955 | System and method for delivering cryogenic fluid According to an embodiment of the present invention, a cryogenic fluid delivery system includes a vessel containing a cryogenic fluid at a first pressure and a first temperature, a first heat exchanger coupled to the vessel for receiving the cryogenic fluid and cool... | 12/25/2007 |
| 7287381 | Power recovery and energy conversion systems and methods of using same In various illustrative examples, the system may include heat recovery heat exchangers, one or more turbines or expanders, a desuperheater heat exchanger, a condenser heat exchanger, a separator, an accumulator, and a liquid circulating pump, etc. In one example, a ... | 10/30/2007 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 7272932 | System and method of use of expansion engine to increase overall fuel efficiency A system of increasing overall fuel efficiency of a facility including a gas expansion engine for receiving a supply of pressurized gas of a first pressure and first temperature and outputting a tail gas of a second lower temperature and lower pressure. The expansio... | 09/25/2007 |
| 7245030 | Integrated generator and transformer and associated methods An electrical power generating apparatus (20) may include a housing (22), an electrical generator (24) within the housing, and a step-up transformer (30) within the housing and connected to the electrical generator. A turbine (26) ... | 07/17/2007 |
| 7239034 | Engine driven power inverter system with cogeneration A combined heat and AC power generating system is disclosed having black start capability for the full time, simultaneous production of both electricity and heat. Heat generated within the system is captured and used for heating applications such as heating building... | 07/03/2007 |
| 7227274 | Method for creating energy sources for a vehicle drive system The method for creating energy sources for a vehicle drive system includes burning an air fuel mixture in an internal combustion engine and discharging the burned air fuel mixture through an exhaust system of the vehicle. Steam is created utilizing heat of the exhau... | 06/05/2007 |
| 7219502 | Shipboard regasification for LNG carriers with alternate propulsion plants A liquefied natural gas carrier uses a diesel engine or gas turbine propulsion plant fitted with a shipboard regasification system. The propulsion plant can provide either a direct mechanical drive of the propeller shaft and propeller, or can be fitted with an integ... | 05/22/2007 |
| 7195183 | Method of processing composite wastes A method or processing composite waste including combustibles and incombustibles has a press process for pressing the composite waste, a dry distillation process for performing dry distillation on the pressed composite waste, a shredding process for shredding the co... | 03/27/2007 |
| 7159416 | Heat generating expander for heat pump systems An expander controls the expansion and flow of refrigerant between high and low pressure within a vapor compression system. The expander drives a shaft that in turn drives a friction disk within a friction heat generator. Frictional contact between the friction disk... | 01/09/2007 |
| 7161260 | Wind power installation with separate primary and secondary cooling circuits A wind power installation includes a nacelle, and energy conversion system for converting wind power into electric energy. The energy conversion system includes a heat-generating source which is disposed in the nacelle and constructed to include a closed primary coo... | 01/09/2007 |
| 7121906 | Method and apparatus for decreasing marine vessel power plant exhaust temperature According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in... | 10/17/2006 |
| 7114322 | Gas-turbine power generating installation and method of operating the same A gas-turbine power generating installation capable of effectively utilizing gases produced in overage gas fields, etc. and a method of operating the installation are provided. The gas-turbine power generating installation is installed in the vicinity of an outrage ... | 10/03/2006 |
| 7096665 | Cascading closed loop cycle power generation Cascading Closed Loop Cycle (CCLC) and Super Cascading Closed Loop Cycle (Super-CCLC) systems are described for recovering power in the form of mechanical or electrical energy from the waste heat of a steam turbine system. The waste heat from the boiler and steam co... | 08/29/2006 |
| 7066396 | Method and apparatus for enhanced heat recovery from steam generators and water heaters A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major port... | 06/27/2006 |
| 7062912 | Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired furnace An air separation unit separates air into an oxygen-rich and oxygen-deficient gas. Fuel gas and the oxygen-rich gas are preheated at heat exchangers through which hot flue gas flows. Combustion of the preheated fuel and oxygen-rich gases result in the hot flue gas. ... | 06/20/2006 |
| 7062913 | Heat engine A heat engine (10) achieves operational efficiencies by: 1) recovering waste heat from heat engine expander (14) to preheat heat-engine working fluid, 2) using super-heated working fluid from compressor (402) to pre-heat heat-engine working flui... | 06/20/2006 |
| 7055325 | Process and apparatus for generating power, producing fertilizer, and sequestering, carbon dioxide using renewable biomass A process and apparatus are described for generating electrical energy using grains or other renewable biomass as the fuel, and for producing fertilizer to grow subsequent crops. In the process, a biomass material is incinerated in a firebox of a boiler to power a f... | 06/06/2006 |
| 7048782 | Apparatus and process for power recovery Disclosed is a third stage separator which includes two main clean gas outlets. One main clean gas outlet communicates with a power recovery unit such as an expander turbine while the second main clean gas outlet communicates with a conduit that bypasses the expande... | 05/23/2006 |
| 7043905 | Gas energy conversion apparatus and method An apparatus having a pressure control system that balances the natural gas flow rate passing through a multi-stage, axial-flow, impulse turbogenerator to produce an electrical power output is provided. The pressure control system includes a primary bypass conduit c... | 05/16/2006 |
| 7036314 | Method for treating and distributing water generated in a self-contained water using unit Water for use in a self-contained water using unit, such as an aircraft, watercraft, ground conveyance, or stationary unit, is treated so that water of different qualities can be distributed to different use locations in the self-contained unit. The treatment is per... | 05/02/2006 |
| 7022168 | Device for removing carbon dioxide from exhaust gas In a method for removing carbon dioxide from the exhaust gas from a gas turbine plant (11), which exhaust gas is subjected to a downstream heat recovery process (12, 33), preferably in the heat recovery steam generator (33) of a water/steam cycl... | 04/04/2006 |
| 7017347 | Method and system for converting waste into electricity A system and method for converting waste into electricity. Hydrogen gas is produced from waste burned in a vessel including at least one plasma arc torch. Steam is introduced into the vessel to provide a source for the hydrogen gas. The hydrogen gas is then collecte... | 03/28/2006 |
| 7014736 | Apparatus and process for purification of acrylic acid family An apparatus and a process for purification of an acrylic acid family. The apparatus is an apparatus for distillation purification of the acrylic acid family encompassing acrylic acid and its esters, and includes: a distillation column 10 to which a liquid co... | 03/21/2006 |
| 7000394 | Rankine cycle device A Rankine cycle system is provided in which, with regard to a given relationship between the pressure (Pevp) and the temperature (Tevp) of a vapor that is taken into an expander (4) that includes a cylinder chamber in a first stage and a vane chamber in a sec... | 02/21/2006 |
| 6996983 | Stirling engine A rotary Stirling-type engine (100) having a heat chamber (105) with a compressing turbine (107) at one end and a valve assembly (108) through which gas enters the heat chamber (105). At the order end is a nozzle housing (109 | 02/14/2006 |
| 6993911 | System for power generation in a process producing hydrocarbons The invention relates to a system for power generation in a process for producing hydrocarbons by catalytic conversion of synthesis gas, involving: i. an oxidation unit for producing synthesis gas and oxidation unit steam by partial oxidation of a hydro... | 02/07/2006 |
| 6964168 | Advanced heat recovery and energy conversion systems for power generation and pollution emissions reduction, and methods of using same Disclosed herein are various systems and methods for producing mechanical power from a heat source. In various illustrative examples, the system may include a heat recovery heat exchanger, a turbine, an economizer heat exchanger, a condenser heat exchanger, and a li... | 11/15/2005 |
| 6957536 | Systems and methods for generating electrical power from solar energy Systems and methods capable of producing electrical power from solar energy through the use of air cycles without fossil fuel combustion. The system includes a solar receiver, a generator, a compressor, and an expander. The expander is coupled to the generator to dr... | 10/25/2005 |
| 6952925 | Optimizing inlet air for gas turbines Air intake temperature in a gas turbine is regulated by a heat exchange fluid having a low viscosity at low temperatures. The circulated heat transfer fluid preferably comprises an alkali metal formate, most preferably potassium formate. The potassium formate may be... | 10/11/2005 |
| 6946081 | Desalination system The invention provides methods and an apparatus for more efficiently and economically producing purified water from sea water or some other salty or brackish water source. The efficiency is derived from the co-location with a power plant or other thermal generating ... | 09/20/2005 |
| 6945066 | Refrigeration cycle apparatus A refrigeration cycle apparatus using carbon dioxide as a refrigerant has a compressor, an outdoor heat exchanger, an expander, an indoor heat exchanger and an auxiliary compressor. The auxiliary compressor is driven by power recover by the expander. When refrigeran... | 09/20/2005 |
