Power plants inventions 12/07

20070294996 - Track beam for the cowling of jet engines: Track beams for the cowling of a jet engine for aircraft are formed of a base body with at least one slide for displaceably mounting a thrust reverser of the jet engine. A connection is provided for an inner engine cowling and fittings for detachably and pivotally attaching to a... Agent: Lerner Greenberg Stemer LLP

20070294998 - Control method and control device for exhaust gas control apparatus: It is an object of the invention to provide a technology for appropriately recovering a decreased HC oxidizing ability of rhodium (Rh), in an exhaust gas control apparatus including a catalyst that contains rhodium (Rh) and a particulate filter (5). In this exhaust gas control apparatus, rich-spike control is prohibited... Agent: Oliff & Berridge, PLC

20070294999 - Exhaust gas purification apparatus and exhaust gas purification method for internal combustion engine: In an exhaust gas purification apparatus for an internal combustion engine (1) equipped with independent exhaust passages (2a, 2b) provided one for each cylinder group (1a, 1b) with a catalyst (3a, 3b) having a NOx trapping ability being arranged in each exhaust passage, the present invention is intended to provide... Agent: Oliff & Berridge, PLC

20070295000 - Method and a device for providing lambda control in an internal combustion engine: Method for lambda control in an internal combustion engine with a catalytic converter in an exhaust tract and at least one lambda probe mounted inside the catalytic converter. With this arrangement of the upstream probe there are signal delays which slow down the lambda control. To compensate, the measurement signals... Agent: Siemens Corporation Intellectual Property Department

20070294997 - Particle filter regeneration method with catalytic combustion device and filtration installation using such a method: The present invention relates to a method for regenerating a particle filter (10) arranged in the exhaust line (12) of an internal-combustion engine, notably of diesel type, wherein the clogging state of the filter is evaluated, this state is compared with a threshold value, then, if this threshold value is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070295002 - Motorcycle: A silencer for a motorcycle with relaxed layout restrictions has a drum portion connected to a head. A conduit extends through the drum portion in a direction of connection. The drum portion decreases in cross sectional area toward a downstream side. A catalyst holding portion formed in the head has... Agent: Hogan & Hartson L.L.P.

20070295003 - Apparatus and method for reductant dosing of an exhaust: A high-pressure metering pump for providing reductant in a single fluid engine exhaust dosing system, comprising: a solenoid for actuating a piston slidably received within an inner bore of a valve housing of the pump, the inner bore having a pressure chamber with an inlet check valve and an outlet... Agent: Delphi Technologies, Inc.

20070295004 - Hydrostatic drive: The invention relates to a hydrostatic drive comprising a hydraulic pump (1) and at least one hydraulic engine (3). Said hydraulic engine (3) is contacted to a closed circuit via a first working line (5) and a second working line (6). In order to limit the swept volume flowing in... Agent: Leopold Presser, Scully, Scott, Murphy & Presser

20070295006 - Hydraulic transmission: A hydraulic transmission system features a first hydrostatic motor (1) and a second hydrostatic motor (4), which are connected to an output shaft (3) by way of a compound transmission, and which, in order to reach a minimum and a maximum rotation speed of the output shaft, are, on the... Agent: Davis & Bujold, P.l.l.c.

20070295008 - Recirculation system for motor: A motor has an engine block with cylinders arranged to fire in a firing order. A recirculation system delivers combusted mixture from a cylinder which has just fired to at least partly mix with fuel for the next cylinder in the firing order. Injector bodies (401-405) are associated with each... Agent: Dann, Dorfman, Herrell & Skillman

20070295009 - Resistojet: An electrothermal thruster including a heating section through which a propellant fluid is intended to pass to be heated before being exhausted, the heating section being supplied by an electric power source The electric power source includes photovoltaic cells mounted on the heat exchanger through which the propellant fluid is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070295011 - Regenerative turbine blade and vane cooling for a tip turbine engine: A fan-turbine rotor assembly (24) includes a multitude of turbine blades (34) which each define a turbine blade passage which bleed air from a diffuser section (74) to provide for regenerative cooling. Regenerative cooling airflow is communicated from the radial core airflow passage (80) through the diffuser passages (144), through... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070289285 - Compressed-air generating system: A system comprises an H2/O2 steam generator (2) for generating superheated steam which is either fed directly to a gas turbine (8) to bring it to a rotary speed that is sufficient to result in a compressed-air ratio in the gas turbine that allows operation of the gas turbine with... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070289286 - Gas turbine with a compressor housing which is protected against cooling down and method for operating a gas turbine: The invention relates to a gas turbine, comprising a turbine and a compressor provided with a compressor housing, and to a method for the operation thereof The compressor is tapped in order to cool the turbine by means of at least one tap line for removing compressed or partially compressed... Agent: Siemens Corporation Intellectual Property Department

20070289290 - System and method for producing diesel exhaust for testing diesel engine aftertreatment devices: A method of using a burner-based system to produce diesel exhaust gas that contains particulate matter of a desired composition, to simulate the PM matter in exhaust produced by a production-type diesel internal combustion engine.... Agent: Baker Botts L.L.P. Patent Department

20070289294 - Exhaust gas aftertreatment device for an internal combustion engine: The invention relates to an exhaust gas after-treatment device for an internal combustion engine, including a housing into which an exhaust pipe that opens into a mixing chamber penetrates. The mixing chamber is shaped as a pot and reverses a direction of flow of the incoming exhaust gas whereby it... Agent: Plevy Howard, PC

20070289295 - Exhaust purification apparatus of internal combustion engine and control method thereof: An engine has a first cylinder group and a second cylinder group. The first cylinder group and the second cylinder group are connected to a common NOx storage reduction catalyst via their corresponding exhaust passageways and their corresponding three-way catalysts respectively. When the temperature of the NOx storage reduction catalyst... Agent: Oliff & Berridge, PLC

20070289301 - Torque actuator incorporating shape memory alloy composites: Multiple embodiments of ferromagnetic shape memory alloy (FSMA) based torque actuators are described. These torque actuators include a magnetic trigger and an FSMA member, which when actuated by the magnetic trigger, produces a torque for rotating a member. Examples of magnetic triggers include hybrid magnetic triggers having at least one... Agent: Law Offices Of Ronald M Anderson

20070289302 - Turbocharger control system: A system for controlling boost pressure at various different altitudes of operation of a turbo charged internal combustion engine includes a wastegate valve, an actuator, and a controller. Signals delivered from an engine speed sensor, a boost pressure transducer, a barometric pressure sensor, and a turbocharger speed sensor are processed... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070289304 - Method and device for removing water from a steam plant: The invention relates to a method and device for removing water from a steam plant and to a steam plant with which, according to the degree of impurity of a number of partial volumes of water, a separate collection of the relevant partial water volumes is carried out.... Agent: Siemens Corporation Intellectual Property Department

20070289305 - Fuel spraying apparatus of gas turbine engine: A fuel spraying apparatus of a gas turbine engine includes a first fuel spraying section configured to spray fuel for diffusion combustion and a second fuel spraying section configured to spray fuel for premixed combustion. The second fuel spraying section is disposed so as to surround the first fuel spraying... Agent: Oliff & Berridge, PLC

20070289307 - Heat shield element, method and mold for the production thereof, hot-gas lining and combustion chamber: There is described a heat shield element comprising a hot side which is turned towards the hot medium, a cold side which is turned away from the hot medium, peripheral sides which connect the hot side to the cold side and a material volume which is defined by the hot... Agent: Siemens Corporation Intellectual Property Department

20070283680 - Exhaust processor and associated method: An exhaust processor (12) comprises an isolated interior volume (16) that is defined in a housing (18) of the exhaust processor (12) so as to be isolated from exhaust gas in the housing (18). A motion converter (20) is positioned in the isolated interior volume (16) and is configured to... Agent: Barnes & Thornburg LLP

20070283681 - Diesel particulate control: A method and apparatus are provided for reducing emissions of particulates from diesel engines. Exhaust is passed through a diesel particular filter having at least two stages comprised of (a) a catalyst section having a platinum group metal catalyst on contact surfaces within the catalyst section and (b) a filter... Agent: Thaddius J. Carvis

20070283685 - Metering system and method for operating a metering system: The invention relates to a dosing system comprising a dosing means for metering a liquid, especially an aqueous urea solution used for the aftertreatment of exhaust gases generated by combustion engines. The liquid can be conveyed from a reservoir into an exhaust manifold through the dosing means in a normally... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070283686 - Exhaust gas purification apparatus: The present invention relates to an exhaust gas purification apparatus which has an enhanced property of purifying exhaust gas from an internal combustion engine for vehicles, and which is configured to decrease the exhaust gas pressure of the engine. The exhaust gas purification apparatus includes an engine head block, where... Agent: Arent Fox LLP

20070283688 - Arrangement and a method for controlling a work vehicle: An arrangement for controlling a work vehicle including a hydraulic system that includes at least one pump and at least one actuator operatively driven by hydraulic fluid delivered from the pump is provided. At least a first pump is a variable displacement pump. The system is of load-sensing type in... Agent: Wrb-ip LLP

20070283693 - Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine: A method for controlling a variable geometry turbine of a turbocharger to increase the temperature of the exhaust gas delivered to an after-treatment system. In one form the method includes reducing a fluid flow area to the turbine below a normal size and bypassing a portion of the exhaust gas... Agent: Krieg Devault LLP

20070283694 - Method for controlling a supercharged engine, particularly an indirect injection engine, and engine using such a method: commanding an additional means (30) in order to admit supercharged non-fuel-containing air into said cylinder (10) to scavenge the residual burned gases, commanding said additional blocking means to close the supercharged non-fuel-containing air intake when the pressure of the supercharged non-fuel-containing air is less than that of the exhaust gases.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070283696 - Variable geometry turbocharger control method and apparatus: A method of controlling a variable geometry turbocharger (502) includes the steps of determining an engine start of operation (402), initiating a timer (408), and commanding an open position (412) for the vanes of the variable geometry turbocharger (502). The open position (412) may be maintained for a predetermined time... Agent: International Engine Intellectual Property Company

20070283699 - Turbine compound system: The invention relates to a turbo-compound system having a crankshaft driven by an internal combustion engine; having an exhaust gas turbine arranged in the flow of exhaust gas of the internal combustion engine; having a hydrodynamic coupling, comprising a primary impeller and a secondary impeller, together forming a working chamber... Agent: Charles N. J. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070283701 - Reformed-fuel-burning gas turbine system and method of operating the same: The present invention provides a reformed-fuel-burning gas turbine system that constantly generates good-quality reformed fuel even when heavy fuel has a different composition. The reformed-fuel-burning gas turbine system according to the present invention comprises a heavy oil heater; a water heater; a reformer vessel for mixing high-temperature, high-pressure water with... Agent: Crowell & Moring LLP Intellectual Property Group

20070277501 - Fluid dynamic power generator and methods: Fluid dynamic power generation methods and associated apparatus are disclosed for introducing a fluid through an intake into a convergent-divergent stream duct adapted for accelerating the fluid. The fluid is cooled within the convergent-divergent stream duct and ejected through a variable area exhaust port, the ejected fluid having a higher... Agent: Michael T. Konczal, Patent Attorney

20070277502 - Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method: An exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and an associated operating method. In particular, an exhaust gas purification system for a motor vehicle, for which predetermined maintenance intervals is provided. The system includes a reducing agent storage tank for storing a reducing... Agent: Crowell & Moring LLP Intellectual Property Group

20070277503 - Method for checking the friction capability of an exhaust gas catalytic converter: In a process for monitoring the function capability of an exhaust-gas catalytic converter 5 located in the exhaust line 3 of an internal combustion engine 1, based on the measured or computed signals of a first lambda probe 6a located upstream from the catalytic converter 5 and of a second... Agent: Peter N. Lalos Stevens, Davis, Miller & Mosher, LLP

20070277505 - Venting of on-board vehicle emissions treatment system: A system and method for controlling venting of an on-board vehicle emissions treatment substance storage and distribution system that selectively dispenses an emissions treatment substance from a storage tank on the vehicle to an exhaust system of the vehicle include selectively coupling the storage tank to the exhaust system when... Agent: Bir Law, PLC/fgtl

20070277511 - Ceramic honeycomb filter, exhaust gas-cleaning apparatus, and exhaust gas-cleaning method: A ceramic honeycomb filter comprising pluralities of porous ceramic honeycomb structures 1A, 1B each having large numbers of flow paths 41, 42, 43 partitioned by cell walls 30, which are connected to each other in a flow path direction, desired flow paths being sealed such that an exhaust gas passes... Agent: Sughrue Mion, PLLC

20070277513 - Exhaust purification system of internal combustion engine: An engine exhaust passage is provided with a fuel addition valve (14) for adding fuel in the form of atomized drops, an oxidation catalyst (11), and an NOx storage and reduction catalyst (12) in that order. The oxidation catalyst (11) carries as a precious metal not only platinum Pt, but... Agent: Oliff & Berridge, PLC

20070277514 - Diesel gas turbine system and related methods: A combined diesel gas-turbine system for optimizing operation and combustion processes of a diesel engine includes a catalytic sub-system, a turbo-generator sub-system and a hybrid sub-system. The catalytic sub-system is in communication with an exhaust port of the diesel engine and is operative for combusting and reducing all pollutants from... Agent: Harness, Dickey & Pierce, P.L.C

20070277515 - Exhaust gas purification device: Disclosed is an exhaust emission control device in which adopted as a filter body 7 for capturing particulates is a heat-regenerative particulate filter 10 with electric heater, the captured particulates being burned by heating of the electric heater 9 to forcedly regenerate the particulate filter 10. A control unit 37... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070277516 - Structure for filtering an internal engine exhaust gases and associated exhaust line: The invention concerns a structure (11) comprising a filtering member (21) comprising intake conduits (35) for the gases to be filtered, and conduits (37) for extracting the filtered gases, separated from the intake conduits (35) by porous filtering walls (43). The intake conduits (35) emerge into openings (49) for discharging... Agent: Sughrue Mion, PLLC

20070277519 - Lifting gear valve arrangement: Disclosed is a lifting gear valve arrangement for controlling a double-action lifting gear or an add-on unit with a continuously adjustable directional control valve and with an individual pressure compensator via which a pressure medium volume flow to and from a lifting cylinder of the lifting gear can be controlled.... Agent: Boyle Fredrickson S.c.

20070277521 - Stirling engine: A Stirling engine is provided with a piston and a displacer. When the piston is made to reciprocate inside a cylinder by a linear motor, the displacer reciprocates inside a cylinder with a predetermined phase difference relative to the piston. In parts of the displacer and the cylinder that receives... Agent: Birch Stewart Kolasch & Birch

20070277522 - Brayton cycle device and exhaust heat energy recovery device for internal combustion engine: An exhaust heat energy recovery apparatus for an internal combustion engine that efficiently recovers exhaust heat energy without increasing engine exhaust back pressure, and a Brayton cycle apparatus applicable to the exhaust heat energy recovery apparatus. A Brayton cycle apparatus 1 using a scroll compressor 4 and a scroll expander... Agent: Kenyon & Kenyon LLP

20070277523 - Arrangement for cooling exhaust gas and charge air: The invention relates to an arrangement (A) for cooling recycled exhaust gas (AG) and charge air (LL) in a motor vehicle comprising a turbocharger respectively comprising at least one heat exchanger for the exhaust gas flow and a least one heat exchanger for the charge air flow. At least one... Agent: Foley And Lardner LLP Suite 500

20070277524 - Engine and an apparatus for providing forced aspiration to an engine: The invention provides an apparatus for providing forced aspiration to an internal combustion engine. The apparatus includes a first displacement device for being driven by exhaust gas from an internal combustion engine to which the apparatus is in use mounted and, a second displacement device operable to compress combustion gas... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor

20070277525 - Turbine unit and vtg mechanism therefor: A turbine unit having a rotor housing (2) having at least one admission channel (9) for a fluid, as well as a turbine rotor (4) which is supported in a turbine space (23) of the rotor housing (2) and wherein fluid is led into the turbine space (23) at its... Agent: Akerman Senterfitt

20070277527 - Dual-use radial turbomachine: The impeller is preferably modified to use back swept, radial or forward swept blades to accommodate relatively low, medium and high lift, respectively applications for both centrifugal compressor and turbine rotor use.... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20070277528 - Premixing injector for gas turbine engines: A premixing injector for use in gas turbine engines assists in the lean premixed injection of a gaseous fuel/air mixture into the combustor of a gas turbine. The premixing injector is designed to mix fuel and air at high velocities to eliminate the occurrence of flashback of the combustion flame... Agent: Intellectual Property Department Dewitt Ross & Stevens S.c.

20070277529 - Method and system for heat recovery from dirty gaseous fuel in gasification power plants: A system and method for recovering heat from dirty gaseous fuel (syngas), wherein the pressure of clean fuel gas is elevated to a pressure higher than that of the dirty syngas and then the pressurized clean fuel gas is fed to a heat recovery unit for heat exchange with the... Agent: Nixon & Vanderhye P.C.