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Power plants April category patent applications 04/08

20080092513 - Method and device for the combustion of hydrogen in a premix burner: A method and a device for producing an ignitable fuel/air mixture includes a fuel fraction which is hydrogen or a gas mixture containing hydrogen and which is burnt in a burner arrangement for driving a thermal engine, in particular a gas turbine plant. An exemplary method includes combining a fuel... Agent: Cermak Kenealy & Vaidya LLP

20080092514 - Tip turbine engine composite tailcone: A non-metallic tailcone (202) in a tip turbine engine includes a tapered wall structure disposed (208) about a central axis. The non-metallic tailcone is fastened to a structural frame (44) in the aft portion of the tip turbine engine. The tip turbine engine produces a first temperature gas stream from... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080092512 - Thermal improvements for an external combustion engine: An external combustion engine having an exhaust flow diverter for directing the flow of an exhaust gas. The external combustion engine has a heater head having a plurality of heater tubes through which a working fluid is heated by conduction. The exhaust flow diverter is a cylinder disposed around the... Agent: Michelle Saquet Temple

20080092522 - Method for detecting abnormality in exhaust emission control device: Disclosed is a method for detecting abnormality in an exhaust emission control device with a reducing agent (urea water 17) being added to selective reduction catalyst 10 incorporated in an exhaust pipe 9 so as to reduce and purify NOx. Temperature of the catalyst during an operation period is monitored... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080092523 - Method for diagnosing cylinder-associated individual catalytic converters of a multicylinder otto cycle internal combustion engine: The invention relates to a method which is characterized in that before an active catalyst diagnosis is carried out the mixture is dynamically trimmed for all individual catalysts using a signal of a lambda sensor common to the individual catalysts. Once the mixture is successfully trimmed, the cylinder-based forced activation... Agent: Siemens Corporation Intellectual Property Department

20080092527 - Metering system for reducing pollutants in motor vehicle exhaust gases: The invention relates to a metering system for injecting pollutant reducing medium into an exhaust system includes a metering pump, and at least one self-opening nozzle for injecting fluidic media into the exhaust gas system. The nozzle is self-opening with a needle chamber, a nozzle needle and a spring chamber... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080092528 - Purification capacity recovery method of exhaust gas emission control system: When a fuel as a reducing agent is supplied to a NOx catalyst on which a NOx or a SOx is reduced, a flow rate of exhaust gas that flows through an exhaust passage is changed, and the fuel is supplied to the exhaust gas flowing through the exhaust passage... Agent: Oliff & Berridge, PLC

20080092530 - Exhaust purification system for internal combustion engine: Art is provided for an exhaust purification system for an internal combustion engine, which decreases an amount of exhaust flowing to a storage-reduction type NOx catalyst and supplies a reducer to the NOx catalyst so as to reduce NOx stored in the NOx catalyst, wherein the manner in which the... Agent: Oliff & Berridge, PLC

20080092532 - Device and method for producing an operating medium for a motor vehicle: The invention relates to a device and a method for producing an operating medium for a motor vehicle, especially for use in the exhaust gas post-treatment of the motor vehicle. According to said method, an operating medium is produced from an initial product and air using a catalyst device. Said... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080092534 - Multi-purpose hydraulic system: A hydraulic system comprising: a first pump, in fluid communication with a first valve; a second pump, in fluid communication with a second valve; an auxiliary passage, in fluid communication with the first valve and the second valve; and a supplemental apparatus, in fluid communication via a supplemental passage with... Agent: Michael Best & Friedrich LLP

20080092535 - Systems and methods using gravity and buoyancy for producing energy: A system for producing energy includes expandable vessels that are submerged in a liquid. The vessels are collapsible for sinking in the liquid due to gravitational forces and are expandable for rising in the liquid due to buoyancy forces. As the vessels sink in the liquid, the vessels rotate a... Agent: DohertyIPLaw Group LLC

20080092536 - Coolant penetrating cold-end pressure vessel: An improvement is provided to a pressurized close-cycle machine that has a cold-end pressure vessel and is of the type having a piston undergoing reciprocating linear motion within a cylinder containing a working fluid heated by conduction through a heater head by heat from an external thermal source. The improvement... Agent: Michelle Saquet Temple

20080092537 - Hydraulic fluid reservoir and hydraulic pressure control unit: A piston is guided by a two-point guide thus allowing a working liquid to smoothly flow into or flow out from a liquid chamber. The liquid chamber is formed into a donut shape and an opening of a passage of the working liquid is arranged at a center portion of... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080092538 - Exhaust gas turbocharger for an internal combustion engine: In an exhaust gas turbocharger for an internal combustion engine having a turbine wheel connected, by means of a shaft, to the compressor wheel of a compressor which includes a variable inlet geometry comprising a plunger and a sleeve-shaped partition for controlling an auxiliary duct leading radially to the compressor... Agent: Klaus J. Bach & Associates

20080092540 - Engine apparatus with heat recovery system and relative heat recovery method: a heat recovery system comprising a closed circuit (6) comprising a working fluid, a heat exchanger (8) positioned on the exhaust line downstream of said first recuperation turbine suitable to allow the transfer of heat from the exhaust gases to said working fluid, a secondary turbine (9) suitable to be... Agent: Stetina Brunda Garred & Brucker

20080092542 - Graham power, a new method of generating power: Titled “Graham Power, A New Method of Generating Power” inventor David Graham. Graham power is a power plant. In its simplest form, it is an air conditioning/refrigerant system which also produces power. This is accomplished by adding a turbine to an air-conditioning system. The evaporation process extract heat from the... Agent: David Graham

20080092544 - Premixer for gas and fuel for use in combination with energy release/conversion device: The invention relates to the use of a premixing apparatus for gas and fuel in combination with energy release/conversion device of a type characterized by having a high intake velocity.... Agent: Hughes Hubbard & Reed LLP

20080092547 - Combustor assembly for gas turbine engine: A combustor liner assembly includes a liner assembly, including a hot dome, a hot wall, and an impingement shield. The liner assembly further includes a convector assembly. The combustor liner assembly further includes an impingement dome assembly, including a ring-shaped portion defining a plurality of apertures configured to receive a... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080092549 - Gas turbine cooling systems and methods of assembly: A method for operating a gas turbine engine, including a first compressor, a second compressor, and a turbine, coupled together in serial flow arrangement. The method includes channeling compressed airflow discharged from the first compressor through an intercooler having a cooling medium flowing therethrough, operating the intercooler such that condensate... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080092552 - Hydraulic seal for a gearbox of a tip turbine engine: A hydraulic seal (170) for a tip turbine engine includes an inner radial flange (171) and an outer radial flange (172). The inner radial flange (171) rotates relative the outer radial seal section and the planet carrier face (94) to prevent lubrication from entering into the air flow streams within... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080087004 - Open-cycle internal combustion engine: An open-cycle engine in which rotary power is produced by the pressure of hot gasses against confined, rotating vanes.... Agent: Terry M. Van Blaricom

20080087005 - Method for the voltage-controlled performance regulation of the heating of an exhaust-gas probe: The invention concerns a procedure for the voltage controlled output adjustment of a sensor heater in the exhaust gas system of an internal combustion engine. In order that such a procedure, whereby the operating temperature of the sensor is achieved in the shortest amount of time, can be implemented without... Agent: Merchant & Gould PC

20080087009 - Exhaust gas purifying apparatus for engine: A temperature-sensitive type urea sensor 74 is adopted for use in an engine exhaust gas purifying apparatus. The magnitude of convection of urea aqueous solution generated in a storage tank 41 is determined based on temperature information detected by the urea sensor 74. For detection of abnormality, a detected concentration... Agent: Mcdermott Will & Emery LLP

20080087012 - Exhaust gas purifying apparatus: An exhaust gas purifying apparatus includes a primary diesel particulate filter provided in an exhaust line of a diesel engine, a secondary exhaust line branched from the exhaust line from an upstream side of the primary diesel particulate filter, and a secondary diesel particulate filter provided in the secondary exhaust... Agent: Ditthavong Mori & Steiner, P.C.

20080087011 - Exhaust gas purifying apparatus, exhaust gas purifying method, and particulate matter measuring method: An exhaust gas purifying apparatus includes a primary diesel particulate filter provided in an exhaust line of a diesel engine, a secondary exhaust line branched from the exhaust line from an upstream side of the primary diesel particulate filter, and a secondary diesel particulate filter provided in the secondary exhaust... Agent: Ditthavong Mori & Steiner, P.C.

20080087013 - Swirl-stabilized burner for thermal management of exhaust system and associated method: An apparatus comprises a reciprocating or Wankel engine, an exhaust gas passageway fluidly coupled to the engine, and a fuel-fired burner. The burner is positioned in the exhaust gas passageway and comprises a swirler configured to swirl exhaust gas of the engine so as to stabilize in the exhaust gas... Agent: Barnes & Thornburg LLP

20080087015 - Hydrostatic travel drive with differential locking action: The invention relates to a hydrostatic drive (1) comprising at least one first hydraulic pump (4), a second hydraulic pump (5), and first, a second, a third, and a forth hydraulic motor (7, 8, 9, 10). A first connection (12) of the first hydraulic pump (4) is connected to a... Agent: Scully Scott Murphy & Presser, PC

20080087019 - Combustion chamber for a gas turbine engine: A combustion chamber for a gas turbine engine comprising at least one Helmholtz resonator having a resonator cavity and a resonator neck in flow communication with the interior of the combustion chamber. The cavity extends around at least part of the neck and is spaced apart therefrom to define a... Agent: Manelli Denison & Selter

20080083211 - Method and device for monitoring an exhaust gas probe: Depending on a trim controller diagnosis, a suspicion marker for an asymmetric ageing of the exhaust gas probe is allocated either a “true” value or a “false” value and, if the value of the suspicion marker is “true”, a dynamic diagnosis will be performed based on the exhaust gas probe's... Agent: Siemens Corporation Intellectual Property Department

20080083213 - Hc trap catalyst and preparation method for hc trap catalyst: The invention relates to an HC trap catalyst and a preparation method for the HC trap catalyst. The HC trap catalyst includes an HC adsorbent for adsorbing HC in exhaust gas exhausted from an internal combustion engine, and an oxidation accelerating element contained in the HC adsorbent for accelerating partial... Agent: Birch Stewart Kolasch & Birch

20080083214 - Honeycomb body with fissured end sides: A honeycomb body includes an inlet end side and an outlet end side. Metal sheets are wound, intertwined and/or layered into a multiplicity of sheet metal layers being at least partially structured to form channels leading from the inlet end side to the outlet end side. Edges of at least... Agent: Lerner Greenberg Stemer LLP

20080083217 - Heat shield configuration: A heat shield configuration having a heat shield for shielding an object from heat and/or noise having an internal surface facing toward the object and an external surface facing away from the object as well as an opening, which goes through the heat shield having internal surface and external surface.... Agent: Marshall & Melhorn, Llc

20080083219 - Fluid displacement based generator & method of using the same: The fluid displacement based generator generates usable mechanical energy through the compression and displacement of air, and through the movement of tanks containing these compressible fluids and water. The generator includes an air tank suspended above a water-filled reservoir, which is positioned within the ground or other support surface. The... Agent: Richard C. Litman Litman Law Offices, Ltd.

20080083228 - Apparatus, system and method for observing combustion conditions in a gas turbine engine: A method of stabilizing combustion in a gas turbine engine includes the steps of observing a combustor flame from a location upstream from said flame to detect spectral characteristics indicative of a condition affecting combustion stability, and tuning the engine to stabilize combustion based upon an indicated condition affecting combustion... Agent: Edwards Angell Palmer & Dodge LLP (all Goodrich Entities)

20080078174 - Backhoe hydraulic system: The present invention overcomes drawbacks whereby the supply of pressure oil to a hydraulic cylinder for operating a ground working device is temporarily cut, and operation of the ground working device is temporarily stopped when a control valve for the travel device is operated while a control valve for the... Agent: The Webb Law Firm, P.C.

20080078175 - Catalytic burner apparatus for stirling engine: The invention provides a method for transferring heat by conduction to the internal heat acceptor of an external combustion engine. Fuel and air are introduced and mixed to form an air/fuel mixture. The air/fuel mixture is directed into a catalytic reactor that is positioned substantially adjacent to the heater head.... Agent: Robert L. Rispoli Precision Combustion, Inc.

20080078177 - 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 methane reforming reaction. In another embodiment,... Agent: Air Liquide Intellectual Property Dept.