Power plants inventions 01/08

20080022651 - Jet engine noise suppressor: An embodiment of the invention is a technique to suppress noise in a jet engine. A noise suppressor includes an exhaust duct to exhaust a first stream from an air stream taken from an inlet. The exhaust duct has an exit end. The air stream is divided into the first... Agent: Blakely Sokoloff Taylor & Zafman

20080022652 - Fluid propulsion device: A propulsion system and pump having inner and outer chambers. The outer chamber is formed by a rigid outer shell and a pair of spaced apart end plate assemblies. The inner chamber is located concentrically within the outer chamber and between the spaced apart end plate assemblies. Each end plate... Agent: Kathleen M. Lynch Moore & Van Allen PLLC

20080022654 - Method and apparatus for reducing emissions in diesel engines: A method of reducing emissions from a diesel engine including the steps of providing an injector to an exhaust outlet of the diesel engine, the injector having an orifice with a diameter of about 0.006 inch or less, providing a reagent to the injector at an inlet pressure between about... Agent: St. Onge Steward Johnston & Reens LLC

20080022656 - Fuel addition apparatus: In a transient state, where the temperature at the distal end of a fuel adding valve enters a high temperature region, an addition amount for preventing clogging is not simply added in accordance with a map, but instead, delay in the rise of the temperature of the fuel adding valve... Agent: Kenyon & Kenyon LLP

20080022668 - Automotive diesel exhaust hc dosing valve for use with diesel particulate filter systems: A dosing valve assembly is disclosed for administering a reducing agent into an exhaust stream from an internal combustion engine upstream of a catalytic converter and diesel particulate filter. The dosing valve assembly includes a control valve coupled to a source of reducing agent, a delivery valve constructed and arranged... Agent: Siemens Corporation Intellectual Property Department

20080022669 - Exhaust device of six-cylinder engine: An exhaust device of a six-cylinder engine includes first to sixth cylinders and a manifold extending from the first to sixth cylinders. The first to sixth cylinders are ignited in that order. The exhaust manifold can include first to sixth upstream exhaust pipes extending respectively from the first to sixth... Agent: Knobbe Martens Olson & Bear LLP

20080022671 - Exhaust device of eight-cylinder engine: An exhaust device of an eight-cylinder engine can include first to eighth cylinders and a manifold. The first to eighth cylinders are ignited in that order. The exhaust manifold includes first to eighth upstream exhaust pipes extending respectively from the first to eighth cylinders. The first to fourth midway exhaust... Agent: Knobbe Martens Olson & Bear LLP

20080022678 - Control system for supercharged internal combustion engine: A control system for a supercharged internal combustion engine provided with a main exhaust passage (20) extending through a turbocharger turbine (21) and further through a catalyst (23, 24) to open to the outside air, an exhaust bypass passage (25) by passing the turbocharger turbine by branching from the main... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080022679 - Failure detecting device for supercharging-pressure control means in supercharging device of engine: When an engine load QC is equal to or larger than a predetermined value, an acceleration-state determiner determines that a turbine is in an acceleration state, and a supercharging-pressure-control-state determiner determines that supercharging-pressure controller (a bypass valve, a wastegate, and a variable flap) of a turbocharger are in a maximum... Agent: Squire, Sanders & Dempsey L.L.P.

20080022681 - 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

20080022682 - 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

20080022687 - Method for starting a pressure storage plant and pressure storage plant: An air storage plant comprises a storage volume for a pressurized storage fluid, a storage fluid expansion machine and a generator which is arranged with the expansion machine on a common power train. During the start up of the air storage plant, the generator is operated at least temporarily electromotively... Agent: Buchanan, Ingersoll & Rooney PC

20080016843 - Starch as a fuel or fuel component: New fuels and fuel components comprising starch are provided, as well as novel methods for operating a combustor such as a boiler or an internal combustion engine by feeding a starch fuel to the combustor.... Agent: Mcandrews Held & Malloy, Ltd

20080016847 - Method and device for determining an oxygen storage capacity of the exhaust gas catalytic converter of an internal combustion engine and method and device for determining a dynamic time duration for exhaust gas probes of an internal combustion engine: An exhaust catalyst is charged with oxygen until saturated. A given first rich air/fuel ratio is set in a combustion chamber of a cylinder. A first oxygen storage capacity value is determined depending on the measured signals from first and second exhaust probes. The exhaust catalyst is charged with oxygen... Agent: Siemens Corporation Intellectual Property Department

20080016848 - Exhaust system for an internal combustion engine, and method for operating such an exhaust system: An exhaust system of an internal combustion engine includes a first filter device and a second filter device located downstream of the first. Both filter devices filter soot particles out of the exhaust gas. At least the first filter device has a catalytic material, which promotes an exothermic soot burnoff... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080016855 - Exhaust gas purification system for an internal combustion engine: The present invention has for its problem to be solved to provide a technique in which in an exhaust gas purification system for an internal combustion engine with a filter being arranged on an exhaust passage for trapping PM in an exhaust gas, it is possible to suppress an excessive... Agent: Oliff & Berridge, PLC

20080016854 - System for assisting regeneration of pollution management means in an engine exhaust line: The invention concerns a system for assisting regeneration of pollution management means (1) associated with oxidation catalyst forming means (2) implementing an oxygen storage capacity (OSC) function, and integrated in an exhaust line of a motor vehicle diesel engine (4), wherein the engine is associated with common ramp means (7)... Agent: Nicolas E. Seckel Patent Attorney

20080016856 - Control of filter regeneration: A system comprises an engine including an exhaust system with a particle filter operable to collect particulate matter in exhaust produced by the engine, a sensor arrangement, a controller, and one or more engine control devices. The sensor arrangement provides a first sensor signal representative of oxygen in the exhaust... Agent: Krieg Devault LLP

20080016857 - Exhaust articles for internal combustion engines: Provided is a base metal undercoat containing catalyst and an exhaust article containing the catalyst. The catalyst contains a base metal undercoat with an oxygen storage component, and at least one catalytic layer. Also provided are methods for preparing the catalyst and methods for monitoring the oxygen storage capacity of... Agent: Basf Catalysts LLC

20080016860 - Wave powered generation: Described herein are marine devices and methods that convert mechanical energy in one or more waves to mechanical energy that is better suited for conversion into electrical energy. The marine devices employ a mechanical energy conversion system that harnesses wave energy and converts it into limited motion that is suitable... Agent: Beyer Weaver LLP

20080016861 - Hydraulic controller for working machine: A hydraulic controller for working machine according to the present invention, which presupposes an electronic control system where an integrated bleed-off valve common to hydraulic actuators is used for bleed-off control and the bleed-off valve is controlled by the secondary pressure of a proportional solenoid valve controlled by a controller,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080016862 - Hydraulic switching arrangement, particularly for the drive of concrete spreader masts: The invention relates to a hydraulic circuit arrangement, in particular for the drive of concrete distributor masts. The circuit arrangement comprises at least one hydraulic load (34, 35, . . . ), the latter being connected at the inlet side by means of a feed line (64) to the pressure... Agent: William Collard Collard & Roe, P.C.

20080016864 - Gas fueled internal combustion engine: In a gas fueled internal combustion engine, in particular a natural gas fueled internal combustion engine, as well as in a method for fuelling an internal combustion engine with gas, in particular with natural gas, with a charged “downsizing” Otto engine and an injection of the gas, a homogenous stoichiometric... Agent: Baker Botts L.L.P. Patent Department

20080016866 - Multi-chamber heat accumulator for storing heat energy and for generating electrical energy: A multi-chamber heat accumulator for storing heat energy as well as for generating electrical energy comprises a pit structure having a bottom, a sidewall, and a cover. The pit structure comprises at least one inner zone with a first solid matter pit filling and at least one outer zone with... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080016868 - Integrated capture of fossil fuel gas pollutants including co2 with energy recovery: A method of reducing pollutants exhausted into the atmosphere from the combustion of fossil fuels. The disclosed process removes nitrogen from air for combustion, separates the solid combustion products from the gases and vapors and can capture the entire vapor/gas stream for sequestration leaving near-zero emissions. The invention produces up... Agent: Welsh & Katz, Ltd. Daniel M. Gurfinkel

20080016873 - Outlet device for a jet engine and a jet engine comprising such an outlet device: An outlet device for a jet engine includes an outlet nozzle and a plurality of guide vanes arranged movably in the outlet nozzle for guiding a gas from the jet engine for the purpose of steering a craft equipped with the jet engine. At least one of the guide vanes... Agent: Wrb-ip LLP

20080016874 - Gas turbine floating collar arrangement: A crack-resistant floating collar mounting arrangement is provided comprising a collar mounted between spaced-apart mounting flanges, the flange being fixed to a dome from an outer surface unexposed to the hot combustor temperatures.... Agent: Ogilvy Renault LLP (pwc)

20080016876 - Method and apparatus for reducing gas turbine engine emissions: A low emission turbine includes a reverse flow can-type combustor that generally includes a primary and secondary fuel delivery system that can be independently controlled to produce low CO, UHC, and NOx emissions at design set point and at conditions other than design set point. The reverse flow can-type combustor... Agent: General Electric Company Global Research

20080016879 - 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 expansion engine having a rotatable shaft as... Agent: Fish & Richardson P.C.

20080010967 - Method for generating energy in an energy generating installation having a gas turbine, and energy generating installation useful for carrying out the method: In a method for generating energy in an energy generating installation (10) having a gas turbine (12), in a first step, an oxygen-containing gas is compressed in a compressor (13, 14) of the gas turbine (12), in a second step the compressed gas is supplied, with the addition of fuel,... Agent: Cermak Kenealy & Vaidya LLP

20080010966 - System and apparatus for gas turbine engine lean blowout avoidance: A gas turbine system is provided. The system includes a gas turbine engine including at least one combustor can, at least one of a combustor dynamics pressure sensor and flame sensor coupled to at least one of the combustor cans, the sensor configured to monitor combustion in each respective can... Agent: John S. Beulick (17851)

20080010970 - Turbofan case and method of making: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.... Agent: Ogilvy Renault LLP (pwc)

20080010971 - Management of regeneration of a diesel particulate filter: Described herein is a method for managing regeneration of a diesel-particulate filter for a gas-exhaust system of the internal-combustion engine of a vehicle, comprising a first step of regeneration of the diesel-particulate filter during which the diesel-particulate filter is regenerated at a first regeneration rate, and a second step of... Agent: Davidson Berquist Jackson & Gowdey LLP

20080010973 - Device and method for determination of the quantity of nox emitted by a diesel engine in a motor vehicle and diagnostic and engine management system comprising such a device: The invention relates to a device for determination of the quantity of NOx emitted by a diesel engine (10) in a motor vehicle with common-rail fuel supply means (12) for the cylinders thereof, of the type comprising pressure recording means (32) in at least one cylinder of the engine and... Agent: Nicolas E. Seckel Patent Attorney

20080010978 - System for controlling depollution means regeneration: The inventive system for controlling the regeneration of depollution means (1) which is integrated into the exhaust line (2) of a motor vehicle engine (3) and is associated with a common rail fuel supply means for carrying out the depollution means regeneration strategies (6) by using the fuel post-injections into... Agent: Nicolas E. Seckel Patent Attorney

20080010980 - Axle driving unit for a lawn tractor: An axle driving unit includes an axle, a hydraulic pump, a hydraulic motor having a motor shaft on which an output gear is provided to be drivingly connected to said axle, a center section having a pump mounting surface and a motor mounting surface onto which the hydraulic pump and... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080010984 - Self-contained hydraulic actuator system: The hydraulic linear actuator system of the present invention includes a pump that is configured to rotate in a single direction at a substantially constant velocity. Both the direction and flow rate of fluid through the system is controlled by adjusting the positional relationship between the stator and the rotor... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20080010987 - Method of operating an internal combustion engine in the engine braking mode: In a method of operating an internal combustion engine in the engine braking mode, wherein an adjustable cross section adjusting means is provided in the exhaust system upstream of the exhaust gas purification device and at least one of the cylinders of the internal combustion engine is provided with a... Agent: Klaus J. Bach

20080010988 - Component protection method and control device for a supercharged internal combustion engine: A process controls filling of combustion spaces of an internal combustion engine that has at least one filling control element and one exhaust gas turbocharger whose turbine geometry can be adjusted by an electrical positioning element. In a base position of an electrical positioning element, a basic charging pressure is... Agent: Crowell & Moring LLP Intellectual Property Group

20080010989 - Gas turbine combustor: An object of the present invention is to provide a gas turbine combustor with improved fatigue resistance of a combustor. It is possible to intentionally reduce a stiffness of each of flanges of upper and lower walls of an end portion (outlet) of the tail pipe of the gas turbine... Agent: Kanesaka Berner And Partners LLP

20080010993 - Reformed alcohol power systems: Improved alcohol reforming processes and reformed alcohol power systems utilizing those processes are disclosed. In preferred embodiments, the alcohol reforming processes utilize a thermally conductive reforming catalyst that allows efficient, low-temperature reforming of an alcohol fuel to produce a reformate gas mixture comprising hydrogen. The present invention makes possible the... Agent: Senniger Powers (mtc)

20080010995 - Method and installation for energy production by means of a gas turbine associated with an air separation unit: The invention concerns a method in which oxygen and/or nitrogen is extracted from an air separation unit. The oxygen that is extracted is directed toward a gasifier, and the nitrogen that is extracted is directed toward a gas turbine. At least one parameter related to each gas stream is controlled... Agent: Air Liquide Intellectual Property

20080010996 - Turbofan case and method of making: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.... Agent: Ogilvy Renault LLP (pwc)

20080010997 - Turbine engine combustion chamber with tangential slots: The invention concerns a turbine engine annular combustion chamber, comprising longitudinal walls (6, 8) connected by a transverse chamber bottom (10) and a single-piece cowling (12), the chamber bottom (10) and the cowling (12) each comprising an inner flange (16, 20) and an outer flange (18, 22) each with a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080006019 - Pulse detonation engines and components thereof: A pulse detonation engine comprises a primary air inlet; a primary air plenum located in fluid communication with the primary air inlet; a secondary air inlet; a secondary air plenum located in fluid communication with the secondary air inlet, wherein the secondary air plenum is substantially isolated from the primary... Agent: General Electric Company Global Research

20080006024 - Exhaust gas purification system for internal combustion engine and method for exhaust gas purification: A PM catalyst regeneration control for the purpose of “soot removal” is performed prior to a sulfur poisoning recovery control. In the PM catalyst regeneration control, PM deposits in a catalyst are burned. A target throttle opening degree for the sulfur poisoning recovery control is preset smaller than a target... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080006027 - Engine output control via auto selection of engine output curve: An engine output controller provided in a bulldozer includes an output curve storage device storing a plurality of output curves of an engine and an output curve changing device selecting and shifting to one of the plurality of output curves. The output curve changing device, when a pressure of a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080006028 - Method for braking a vehicle driven by means of a hydrostatic gearbox and also a hydrostatic drive: The invention relates to a method for braking a vehicle, driven by means of a hydrostatic gearbox (28) and a hydrostatic drive. The hydrostatic gearbox (28) comprises at least one adjustable hydrostatic motor (6,6). The vehicle driven by means of the hydrostatic gearbox (28) may be retarded by an operating... Agent: Scully Scott Murphy & Presser, PC

20080006030 - Actuator assembly: An actuator assembly (1) comprises a body (2) in which works an actuating piston (7), a first piston (5) and at least one second piston (6), a chamber (26) containing a substantially incompressible fluid by which each of the first and second pistons (5, 6) acts on the actuating piston... Agent: The Ollila Law Group LLC

20080006031 - Internal combustion engine with secondary air injection system: A method for operating a diesel internal combustion engine having a compressed air source, a diesel particulate filter situated in the exhaust gas system, and a secondary air line and secondary air compressor for introducing secondary air into the exhaust gas system of the internal combustion engine, in which the... Agent: Crowell & Moring LLP Intellectual Property Group

20080006032 - Engine: An engine includes two or more serially connected air compressors coupled via a crankshaft to an expander piston and cylinder combination. An intercooler device is placed between the air compressors. Compressed air from the compressors flows through a heat exchanger where it is heated by the expander exhaust gas prior... Agent: Jill Robinson

20080006033 - Gas turbine engine combustion systems: One embodiment is a unique gas turbine engine combustion chamber including primary and secondary burning zones. Other embodiments include unique gas turbine engine apparatuses, systems, methods, and combinations.... Agent: John H. Allie, Krieg Devault, LLP

20080006034 - Method and system for the recycling of municipal solid wastes, and exploitation of the wasted solid recovery fuel: The present invention refers to a method and a system for the complete recycling of municipal solid wastes with minimal environmental impact and with the exploitation of the wasted solid recovery fuel (WSRF) for the production of electric energy and/or hydrogen. Those results are achieved by means of the gasification... Agent: Knobbe Martens Olson & Bear LLP