Power plants inventions 02/08

20080047256 - Gas-fed hollow cathode keeper and method of operating same: A gas-fed hollow cathode keeper can reduce ion bombardment erosion by expelling gas through the keeper faceplate. The expelled gas effectively creates a high-pressure “shield” around the keeper such that bombarding ions suffer energy-reducing collisions before impacting the keeper. If the bombarding ion energy is reduced enough, the erosion is... Agent: Harness, Dickey & Pierce, P.L.C

20080047261 - Three-layered catalyst system for purifying exhaust gases of internal engines: Disclosed herein is a three-layered catalyst system in which layers including predetermined precious metal components are sequentially layered on a substrate, and thus the conversion ratio of HC and CO is increased, thereby improving purification efficiency. The three-layered catalyst system includes a substrate, a lower layer containing a precious metal... Agent: Paul D. Greeley Ohland, Greeley, Ruggiero & Perle, L.L.P.

20080047263 - Hydraulic circuit comprising a multipurpose selector: An open hydraulic circuit comprising a main pump (P), a hydraulic motor (M), two main ducts (10, 12) constituting a feed main duct and a discharge main duct and connected to the pump or to a reservoir (R) via a feed selector (14). The circuit further comprises a multifunction valve... Agent: Ladas & Parry LLP

20080047265 - Linear free piston stirling machine: A linear free piston Sirling machine having an overstroke prevention mechanism for the power piston. A resilient member is fixed to the casing which contacts the power piston 4 when its displacement exceeds a predetermined level.... Agent: Needle & Rosenberg, P.C.

20080047267 - Arrangement for recirculation of exhaust gases of a super-charged internal combustion engine: An arrangement for recirculation of exhaust gases of a supercharged combustion engine. A return line which connects an engine exhaust line to an air inlet line for air supply to the combustion engine, to recirculate exhaust gases via the return line. A first EGR cooler in which the recirculating exhaust... Agent: Ostrolenk Faber Gerb & Soffen

20080047268 - Controller for turbocharger with electric motor: A controller controls an electrically assisted turbocharger including a turbocharger body and an assist electric motor for assisting the turbocharger body in driving. The controller controls the operation of the assist electric motor. The controller compares a target power value of the assist electric motor with an actual power value... Agent: Nixon & Vanderhye, PC

20080047269 - Pyrotechnic actuator with controllable force and optimised geometry: The technical field of the invention is that of pyrotechnic actuators including a piston and having the essential function of exerting thrust to move an object by causing the piston to emerge. The invention relates more particularly to a pyrotechnic gas generator (2), a combustion chamber (3), a piston (10)... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20080047273 - Turbomachine nozzle cover provided with triangular patterns having pairs of vertices for reducing jet noise: The pattern relates to a cover for a turbomachine nozzle, the cover having a plurality of patterns each with an outline of triangular shape having a base and two vertices that are spaced downstream and interconnected by a side. For each pattern, the vertices present respective curved outlines and they... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080041032 - Method of treating volatile organic compound and system for treating volatile organic compound using gas turbine: The invention aims at making a volatile organic compound harmless, and in addition comprehensively improving the energy efficiency within a facility where treatment of the volatile organic compound is necessary. In the invention, in order to achieve this aim, a solution means is adopted where, a discharge gas containing a... Agent: Ostrolenk Faber Gerb & Soffen

20080041035 - Method of determining abnormality in particulate filter: An object of the invention is to realize a method of determining an abnormality in a particulate filter (5) capable of trapping and oxidizing particulate matter contained in exhaust gas in which even a minor abnormality in which small quantity of particulate matter can pass through the particulate filter (5)... Agent: Oliff & Berridge, PLC

20080041037 - Method for reducing nox emissions from ethanol-blended diesel fuels: A method to reduce NOx, emissions from diesel fuel alcohol microemulsions (E-diesel) is taught. Ethanol is stripped from the microemulsion and entered into the exhaust gasses upstream of the reducing catalyst. The method allows diesel engines to meet new, lower emission standards without having to carry separate fuel and reductant... Agent: Ut-battelle, LLC Office Of Intellectual Property

20080041041 - Method for exhaust-gas treatment for diesel engines or the like, and apparatus for implementing this method: In a method for exhaust-gas treatment for diesel engines, the exhaust gas is conducted through a regenerable particulate filter as well as an NOx catalytic converter, each disposed in exhaust branch. The exhaust gas is first conducted through the NOx catalytic converter of the carbamide SCR type situated close to... Agent: Kenyon & Kenyon LLP

20080041039 - System for assisting regeneration of pollution management means: The invention concerns a system for assisting regeneration of pollution management means (1) integrated in an exhaust line (3) of a diesel engine (4), wherein the engine (4) is associated with common ramp means (7) injecting fuel into the cylinders thereof, based on at least one post-injection and adapted to... Agent: Nicolas E. Seckel Patent Attorney

20080041045 - Apparatus and method for assisting selective catalytic reduction: The present invention relates to an apparatus and method for vaporizing a fluid to improve performance of a selective catalytic reduction catalyst. A vaporizer including a plurality of flow channels having an increased surface area may facilitate vaporization and mixing of the fluid in, e.g., an engine exhaust or gas... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080041044 - Device for purifying exhaust gas of an internal combustion engine: A NOx occluding and reducing catalyst 7 is arranged in the exhaust gas passage 2 of a lean burn engine 1. When the engine 1 is in operation at a lean air-fuel ratio, the operating air-fuel ratio is changed over to a rich air-fuel ratio for a short period of... Agent: Oliff & Berridge, PLC

20080041047 - Hydraulic system for industrial vehicle: A hydraulic circuit of a hybrid type industrial vehicle drivable by an engine and an electric motor is disclosed. A generator motor is driven by the engine and generates electricity. A cargo handling hydraulic pump is actuated in conjunction with an operation of the generator motor and supplies hydraulic oil... Agent: Woodcock Washburn LLP

20080041049 - Hydraulic stepless speed changing device: It is an object to accurately control swash plate angles of movable swash plates of a hydraulic pump and/or a hydraulic motor. In a hydraulic stepless speed changing device, a hydraulic pump and/or a hydraulic motor, at least one of which is of a variable displacement type, and a hydraulic... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080041054 - Production of hydrogen using low-energy solar energy: The invention relates to a device for production of hydrogen, using low-energy solar energy, by means of solar traps (1) to give hot water (3) during the day and thermal radiators (2) to give cold water (4) during the night. The hot and cold water are stored to give a... Agent: Young & Thompson

20080041055 - Combined circulation condenser: A combined circulation condenser for a steam cycle apparatus is disclosed. The steam cycle apparatus includes a steam generator with a port for receiving a fluid. The steam generator presents heat to the fluid to generate steam that is directed out another port, which presents the steam to a turbine... Agent: Mccormick, Paulding & Huber LLP

20080041065 - Ultra-micro gas turbine: The present invention provides an ultra micro gas turbine engine which includes a wave rotor. In various embodiments, the ultra micro gas turbine engine of the present invention includes a rotating disk which has a compressor, a wave rotor and a turbine, a first stationary member which includes an inlet... Agent: Harness, Dickey & Pierce, P.L.C

20080034728 - Energy recovery system in an engine: A energy recovery system for an internal combustion engine which dynamically allocates heat energy to multiple vehicle accessory systems... Agent: Kelley Drye & Warren LLP

20080034729 - Energy recovery system in an engine: A energy recovery system for an internal combustion engine which dynamically allocates heat energy to multiple vehicle accessory systems... Agent: Kelley Drye & Warren LLP

20080034730 - Small scale hybrid engine: This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. The output of this engine is electric power and mechanical work. Water, or organic... Agent: Claudio Filippone

20080034727 - Triple cycle power plant: Abstract: A refrigeration cycle is integrated into a combined cycle power plant to form a triple cycle power plant in which gas turbine generator inlet air is chilled and dehydrated to increase the mass flow of the inlet air, and in which duct firing in HRSG is increased in dependence... Agent: Rutan & Tucker, LLP. Hani Z. Sayed

20080034735 - Internal combustion engine and method of controlling the same: A method for controlling an exhaust system for an internal combustion engine of a vehicle includes flowing exhaust gas to a main catalyst converter provided in a main passage, flowing exhaust gas to a bypass catalyst converter provided in a bypass passage, detecting a predetermined condition related to a poisoning... Agent: Osha Liang L.L.P.

20080034737 - Exhaust gas purification system for internal combustion engine and exhaust gas purification method therefor: If an exhaust throttle valve changes to ON state from OFF state under a filter regeneration control condition for regenerating a PM filter, a differential pressure sensor detects a change of a differential pressure following an operation of the exhaust throttle valve. An increase in an exhaust backpressure is calculated... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080034739 - Exhaust system of a motor vehicle with a diesel engine: An exhaust system for a motor vehicle with a diesel engine (10) includes a particulate filter unit (36), a particulate receiving accumulator (24) close to the engine being arranged upstream of the particulate filter unit (36) and binding a partial quantity of the particulates contained in the exhaust gas flow,... Agent: Barnes & Thornburg LLP

20080034741 - Device for purifying exhaust gases of an internal combustion engine: A device for purifying exhaust gases of an internal combustion engine has a particle filter, which is provided with a catalytically active coating. The catalytically active coating includes a supporting material and an iron-containing material, which is joined to the supporting material and is present on at least the surface... Agent: Kenyon & Kenyon LLP

20080034740 - Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process: The present invention relates to an integrated system for the treatment of exhaust gases, which preferably consists of at least one NOx-storing component, at least one in situ ammonia-generating component, at least one ammonia-storing component and at least one ammonia (NH3)-SCR-component, as well as to a process for the treatment... Agent: Stephen D. Scanlon Jones Day

20080034742 - Failure diagnosis method for reducing agent addition valve: An object of the invention is to diagnose a failure of an addition valve provided in the exhaust system of an internal combustion engine. To achieve the object, post injection through a fuel injection valve of the internal combustion engine and reducing agent addition through the reducing agent addition valve... Agent: Oliff & Berridge, PLC

20080034744 - Structure for filtering exhaust gases of an internal combustion engine, and associated exhaust line: This structure (11) comprises first and second filtering elements (15A, 15B) extending essentially parallel to a longitudinal axis (X-X′) of the structure (11) between an admission region (21) of the gases into the structure (11) and an evacuation region (23) of the gases from the structure, and comprises a seal... Agent: Sughrue Mion, PLLC

20080034745 - Actuation device: The present invention relates to an actuation device for the actuating of an adjustment surface of an aircraft such as an elevator, a rudder or the like, of landing gear or another aircraft or surface vehicle actuator, comprising an electrohydraulic actuator having a servo control cylinder, a pump for pressure... Agent: Dilworth & Barrese, LLP

20080034746 - Combiner valve control system and method: A hydraulic control system for a machine is disclosed. The hydraulic control system may have a first fluid actuator, a first pump configured to produce a first stream of pressurized fluid, a second fluid actuator, and a second pump configured to produce a second stream of pressurized fluid. The hydraulic... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080034747 - Hst unit: There is provided an HST unit including: a first hydraulic motor unit for operatively driving one of a pair of driving wheels; a second hydraulic motor unit for operatively driving the other one of the pair of driving wheels; a hydraulic pump unit operatively connected to a driving power source,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080034752 - Supercharging system for two-stage supercharging of v-type internal combustion engines: A supercharging system, in particular an at least two-stage supercharging system, including a first stage and a second stage for an internal combustion engine having two cylinder banks. The at least two-stage supercharging system includes at least two charge air coolers. An exhaust gas turbocharger representing the first stage and... Agent: Kenyon & Kenyon LLP

20080034755 - Steam enhanced double piston cycle engine: A steam enhanced dual piston cycle engine utilizes a unique dual piston apparatus that includes: a first cylinder housing a first piston therein, wherein the first piston performs only intake and compression strokes; a second cylinder housing an inner power piston that forms an inner internal chamber of the second... Agent: Morrison & Foerster LLP

20080034756 - Air compression heat accumulating power plant with an underground heat accumulator formed in the aquifer (gaes): The offered high-temperature GAES is designed as a stabilising structure in high-power electroenergetic systems to ensure high quality, economy and safety of these systems. The GAES relates to electric energy accumulation equipment in which the unclaimed electric energy is converted by means of an electrically-driven compressor (3, 4, 6) into... Agent: Notaro And Michalos

20080034757 - Method and system integrating solar heat into a regenerative rankine cycle: Systems and methods of integrating solar energy into a Rankine cycle power generation system can enhance efficiency of the system. Solar heat can be collected in an array of solar heat collectors. The solar heat collectors can use solar energy to heat a single phase thermal transfer fluid, which can... Agent: Knobbe Martens Olson & Bear LLP

20080034758 - Integrated air separation and oxygen fired power generation system: An integrated air separation and oxygen fired power generation system includes an air separation unit and a gas turbine including an air compressor to provide compressed air for the air separation unit. The system further includes a gas turbine expander and at least one additional turbine to drive the air... Agent: Air Liquide Intellectual Property

20080028742 - Metering demand fuel system: A fuel system includes first and second drive assemblies that are independently drivable relative to one another. The second drive assembly has a speed that is selectively controlled based upon a desired fuel flow. A non-positive displacement pump is driven by the first drive assembly. The non-positive displacement pump provides... Agent: Carlson, Gaskey & Olds, P.C.

20080028744 - Method for increasing catalyst temperature using ethanol-blended diesel fuels: A method for managing the temperature of an E-diesel catalyst by distilling out a portion of the ethanol, injecting the distilled ethanol into exhaust gasses upstream of the catalyst, reacting the distilled ethanol with excess oxygen in the exhaust gasses to produce heat, and controlling the ethanol injection using various... Agent: Ut-battelle, LLC Office Of Intellectual Property

20080028745 - Exhaust gas purification apparatus for internal combustion engine: A NOX occlusion and reduction catalyst 7 is arranged in an exhaust path 2 of an engine 1 to purify NOX in the exhaust gas. An electronic control unit (ECU) 30 of the engine operates the engine in an operating mode in which the exhaust gas increases in temperature with... Agent: Boardman, Suhr, Curry & Field, LLP Attn:IPPractice Group

20080028747 - Exhaust gas system having an exhaust gas treatment unit and a heat exchanger in an exhaust gas recirculation line: An exhaust gas system for an internal combustion engine includes an intake system and an exhaust outlet interconnected by an exhaust gas recirculation line having an exhaust treatment unit and a heat exchanger. The heat exchanger has a first back pressure and the exhaust treatment unit has a second back... Agent: Lerner Greenberg Stemer LLP

20080028748 - Method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices: A reconfigurable exhaust system provides selective positioning of exhaust gas treatment devices either near, or spaced from, the exhaust gas outlet port of a turbine of a turbocharged Diesel engine. In some embodiments, auxiliary air or a heat exchanger are arranged to cool the exhaust gas when required.... Agent: Gunn & Lee, P.C.

20080028753 - Exhaust treatment device with electric regeneration system: The present disclosure relates to a diesel exhaust treatment device including a catalytic converter positioned upstream from a diesel particulate filter. An electric heater is positioned between the catalytic converter and the diesel particulate filter. A shore station can be used to provide power and combustion air to the diesel... Agent: Merchant & Gould PC

20080028754 - Methods and apparatus for operating an emission abatement assembly: A diesel exhaust system includes a supply of diesel fuel. The system further includes a first reduction path having a diesel fuel-fired burner operated to partially oxidize diesel fuel supplied thereto from the supply of diesel fuel and to introduce at least one of CO and H2 into an exhaust... Agent: Barnes & Thornburg LLP

20080028757 - Condenser in a turbo-compressor system and method for operating one such system: The invention relates to an system, especially a turbo-compressor system pertaining to a motor vehicle comprising an internal combustion engine with exhaust gas recirculation. Said system comprises an exhaust gas cooler (2) and a charge air cooler (1) for cooling recirculate exhaust gases and/or charge air, a compressor (V) for... Agent: Foley And Lardner LLP Suite 500

20080028758 - Drive assembly for rotating and translating a shaft: Disclosed is a drive unit operable to translate and rotate a shaft, the drive unit including: (i) a hollow electric motor having a rotor, (ii) a fluid cylinder, (iii) means for connecting the shaft to the rotor of the hollow electric motor, (iv) means permitting the shaft to move lengthwise... Agent: Husky Injection Molding Systems, Ltd Co/amc Intellectual Property Grp

20080028764 - Bleed off valve system: A gas turbine engine system including a plurality of bleed off doors forming a portion of a conical surface in the flow path between the low pressure compressor and the intermediate pressure compressor. A plurality of actuators are coupled to a unison ring and move the unison ring in a... Agent: Krieg Devault LLP

20080028766 - Highly efficient heat cycle device: A high-efficient heat cycle device formed by combining a heat engine (A) with a refrigerating machine (J), wherein steam (Eg) generated in a boiler (B) is cooled by a condenser (Y1) after driving turbine (S2), built up by a pump (P2), and circulated into the boiler (B) in the form... Agent: Wenderoth, Lind & Ponack, L.L.P.