Power plants inventions 03/08

20080072571 - Aeroengine thrust reverser: A gas turbine engine comprising a core engine a fan and a fan casing surrounding the fan and extending rearwardly to attach to an array of outlet guide vanes characterised in that a cascade is rigidly attached to the fan casing and is connected to the core engine via a... Agent: Manelli Denison & Selter

20080072572 - Turbomachine fan duct: Turbomachine fan duct comprising two coaxial cylindrical walls (60, 68), these being an internal wall and an external wall, respectively, the internal wall (68) consisting of a framework (70) to which panels (72) are removably attached, and the external wall (60) consisting of a single support structure (62) comprising openings... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080072574 - Plasma reactor: The present invention provides a plasma reactor which can suppress deactivation of components (active components) activated by plasma when causing exhaust gas to flow through a plasma generating space to ensure efficient reaction between the active components and particulate matter, whereby the particulate matter can be efficiently purified via reaction.... Agent: Oliff & Berridge, PLC

20080072576 - Exhaust emission purification apparatus for engine: A reduction catalyst is disposed in an exhaust passage of an engine. A reducing agent added to the exhaust gas is urged to react with NOx in the exhaust gas, catalyzed by the reduction catalyst. A member for distributing the exhaust gas to which the reducing agent has been added... Agent: Mcdermott Will & Emery LLP

20080072577 - Gas turbine engine: Environmental concerns have resulted in consideration of the effects of condensation trails from gas turbine engines. By provision of a condensation stage in a heat exchanger arrangement for a gas turbine engine the level of condensation within a final exhaust gas flow G from an engine is reduced. Furthermore, by... Agent: Manelli Denison & Selter

20080072579 - Two-stroke lean burn gas engine with a silencer/catalytic converter: A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second volumes in communication with each other. The first volume dampens spurious exhaust pressure excursions and removes particulates in the exhaust.... Agent: Fletcher Yoder (cameron International Corporation)

20080072580 - Guide structure and exhaust gas purification device: A guide structure for guiding exhaust gas flow to an exhaust gas sensor (55) in exhaust gas purification devices (50A to 50F) installed in an exhaust passage, wherein a plurality of exhaust gas purification units (52, 53) are disposed in series in the containers of the devices (50A to 50F),... Agent: Staas & Halsey LLP

20080072585 - Exhaust system: An exhaust system includes: an exhaust pressure controller interposed in an exhaust passage and including: a pipe body including a side peripheral wall in which at least one port is formed; and a gas introduction wall for introducing an exhaust gas flowing from an upstream side of the pipe body... Agent: Nixon Peabody, LLP

20080072587 - Pump unit: There is provided a pump unit including a plurality of hydraulic pump bodies disposed in parallel to each other, a plurality of pump shafts respectively supporting the plurality of hydraulic pump bodies in a relatively non-rotatable manner and a pump housing accommodating the plurality of pump bodies and supporting the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080072588 - Control system for hydraulic construction machine: When a mode selection command selects an economy mode, a mode selector 700e is turned on and outputs an engine revolution speed modification value ΔN0 (ΔN1=ΔN0) computed by an engine-revolution-speed modification value computing section 700d. A subtracter 700f subtracts the engine revolution speed modification value ΔN1 from a rated target... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080072589 - Hydraulic drive: The invention relates to a hydraulic drive, comprising a hydraulic cylinder (1), divided into a first operating pressure chamber (4) and a second operating pressure chamber (5), by an operating piston (3). The hydraulic drive further comprises a closed hydraulic circuit (39), with a first hydraulic pump (43), connected to... Agent: Scully, Scott, Murphy & Presser, P.C.

20080072590 - Differential piston: A differential piston (1), designed as an annular piston, having pressure chambers (8, 9) with at least one of the pressure chambers (8, 9) being pressurized from radially inside the differential piston (1), via a hollow shaft (29) or another radially inner element (16), such as, part of a (cylinder)... Agent: Davis Bujold & Daniels, P.l.l.c.

20080072591 - Hydrostatic drive axle with two hydrostatic axial piston motors utilizing a swashplate design located next to each other: A hydrostatic drive axle has two hydrostatic axial piston motors utilizing a swashplate design located coaxially next to each other, the control sides of which face each other. Tubular terminal segments (1a) of the drive axle are in the form of axial piston motors (2) and are shaped and fitted... Agent: The Webb Law Firm, P.C.

20080072592 - Engine: An intermediate duct (108) is connected between first and second positive displacement machines (104, 106). An inlet duct (107) is connected to the first positive displacement machine (104). An outlet duct (109) is connected to the second positive displacement machine (106). A heater (102) raises the temperature and pressure of... Agent: Baker & Hostetler LLP

20080072594 - Turbocharged compression ignition engine: A flame trap housing 36 for a flame trap 34 of a compression ignition engine has an inlet 38 configured to engage an air outlet of a turbocharger and an outlet 40 configured to engage an inlet of an inlet after-cooler. The housing 36 is double skinned, having an inner... Agent: Greenberg Traurig LLP (la)

20080072595 - Fresh gas supply device for a turbocharged piston internal combustion engine: A fresh gas supply device for a turbocharged piston internal combustion engine having fresh gas conduction elements is described. The device includes a compressed air connection operatively connected to a tubular interior chamber of the fresh gas conduction elements, and a quantity regulating device for regulating additional compressed air into... Agent: Crowell & Moring LLP Intellectual Property Group

20080066444 - Seal for a turbine engine: In one aspect, the present disclosure is directed to a turbine engine. The engine may include a main housing defining a compressor compartment and an air intake housing mounted to the main housing. The engine may also include a rotor including a compressor portion disposed within the compressor compartment, and... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080066443 - Gas turbine plant for a working medium in the form of a carbon dioxide/water mixture: A gas turbine plant with a compressor, a combustion chamber, a turbine and at least one heat sink is operated with a working medium in the form of a carbon dioxide/water mixture. A hydrocarbon reacts as fuel with oxygen in the combustion chamber, and the excess carbon dioxide and water... Agent: Steptoe & Johnson LLP

20080066446 - Impact diesel particulate filter: An emission reduction device which may be removably affixed to a diesel engine's exhaust system. The device comprises an outer casing which may be divided into a lower portion and an upper portion, the lower portion of which is removably attachable to the exhaust system of a diesel engine; a... Agent: Dubois, Bryant, Campbell & Schwartz, LLP

20080066449 - Exhaust gas purifying device of an internal combustion engine: There is provided an oxidizing catalyst located in the upstream of the exhaust gas purifying catalyst. The catalyst capacity of the oxidizing catalyst is set so that, in the relationship between a value obtained by dividing exhaust flow velocity by the catalyst capacity (exhaust flow velocity/catalyst capacity) and catalyst activatibility,... Agent: Jacobson Holman PLLC

20080066450 - System and method for controlling valve timing of an engine with cylinder deactivation: Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system design.... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080066466 - Device for accelerating a turbocharger unit at low speeds of a reciprocating engine, and a reciprocating engine including such a device: The invention relates to a device for accelerating a turbocharger unit at low speeds of a reciprocating engine (1) operating with a four-stroke cycle and including at least one cylinder (1a) provided with at least one admission valve (2) connected to an admission manifold (3) and at least one exhaust... Agent: Alston & Bird LLP

20080066467 - Device for supplying fresh air to a turbocharged piston internal combustion engine and method for operating the same: A device and method for supplying fresh air to a turbocharged piston internal combustion engine are described. According to the invention, a fresh gas line section of an intake manifold has an adjustable flap, and inlet and outlet ports. An adjustment device is coupled to the flap for adjusting the... Agent: Crowell & Moring LLP Intellectual Property Group

20080066468 - Splash plate dome assembly for a turbine engine: A splash plate dome assembly for a combustion liner of a turbine engine is disclosed. The splash plate may include an outer periphery having a plurality of corners and an inner periphery defining an aperture and an annular flange. The splash plate may include a plurality of first flow guides... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080066469 - System and method for generating electrical energy utilizing recaptured carbon dioxide: A system for generating power in the form of electrical energy utilizing recaptured carbon dioxide includes a compressor connected to a recapturing system of a power plant or factory through a transporting pipeline. The compressor provides an increase in the flow pressure of the recaptured carbon dioxide such that the... Agent: Tucker Ellis & West LLP

20080066470 - Advanced hydrogen auxiliary power unit: An auxiliary power unit includes an autothermal reformer for producing a reformate from fuel; a turbine; a combustor for burning the reformate to power the turbine; a recuperator for obtaining thermal energy to improve the efficiency of the auxiliary power unit; a steam generator for using thermal energy from the... Agent: Honeywell International Inc.

20080060340 - Work extraction arrangement: A work extraction arrangement (10) comprises a cooling assembly (12) for cooling a gas to provide a working fluid capable of doing work. The arrangement (10) further includes storage means (14) for storing the working fluid and a turbine assembly (18) for extracting work from the working fluid. A fluid... Agent: Manelli Denison & Selter

20080060342 - Flow reverser: A flow reverser comprising a sleeve having a first part and a second part to define a flow path and axially separable from each other about a conjunction formed by a respective profile edges for the first part and the second part, the profile edges in a stowed position overlapping,... Agent: Oliff & Berridge, PLC

20080060346 - Method for removing and recovering co2 from an exhaust gas: The present invention relates to a method for removing and recovering CO2 from exhaust gas from a gas turbine based electric power and heat generation process (a main power process) by chemical absorption and desorption for deposition of CO2 as convenient at the location. The exhaust gas from said main... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080060347 - Exhaust gas control apparatus for internal combustion engine: When the temperature of exhaust gas control means (3), which is provided in an exhaust passage (2) of an internal combustion engine (1) and which has oxidation function, is increased to a target temperature in order to recover an exhaust gas control ability of the exhaust gas control means (3),... Agent: Oliff & Berridge, PLC

20080060352 - System and method for reduction of nitrogen oxides from exhaust gases generated by a lean-burn combustion engine: In a system and method for reduction of nitrogen oxides from exhaust gases generated by a lean-burn internal combustion engine, a lean NOx catalyst is arranged to be connected to an exhaust conduit of the lean-burn internal combustion engine, an injector is arranged for injecting a reduction agent to be... Agent: Wrb-ip LLP

20080060353 - Device for after-treatment of exhaust gases from internal combustion engines: Ceramic support bodies for the after-treatment of exhaust gases of internal combustion engines is provided. On a jacket of the support body heat-resistant elevations are subsequently applied that fix the bed against movement.... Agent: Mg-ip Law, PLLC

20080060357 - Organic working fluids: The present invention provides an improved, commercially available organic working fluid, which is operable under a broad range of temperatures, is thermally stable, has a high auto-ignition temperature, low freezing point and high critical temperature and is benign to the environment, and safe for human use. Such an organic working... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080053058 - Pulsed detonation engines for reaction control systems: Pulsed detonation engines (PDEs) are adapted for use in reaction control systems (RCS), such as thrusters for orbital correction and control (e.g., for earth-orbiting satellites), divert thrust generation and control for space-based interceptor devices, and for missile trajectory correction and motion control. According to one aspect of the invention, PDEs... Agent: Banner & Witcoff, Ltd.

20080053064 - Rocket engine power cycle: An expander heat exchanger cycle system provides a fuel or oxidizer routed through a heat exchanger to cool and condense a coolant/turbine drive fluid.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080053068 - Device & method for the reduction of emissions: An emission reduction device which may be removably affixed to an engine's exhaust system. The device comprises a cylindrical carcass with a beveled opening in a diagonal line in its proximal part A bobbin is affixed in the distal portion of the carcass. A cylindrical-shaped fibrous blanket may be inserted... Agent: Dubois, Bryant, Campbell & Schwartz, LLP

20080053075 - Exhaust gas purifying apparatus for internal combustion engine: An exhaust gas purifying apparatus for an internal combustion engine (1) comprises a casing (15) which forms apart of an exhaust passage (14) of the internal combustion engine and houses therein an occlusion-reduction type NOx catalyst (12, 13) and a reducing agent supply device (11) which supplies a reducing agent... Agent: Oliff & Berridge, PLC

20080053078 - Two-stroke lean burn gas engine with a silencer/catalytic converter: A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second volumes in communication with each other. The first volume dampens spurious exhaust pressure excursions and removes particulates in the exhaust.... Agent: Fletcher Yoder (cameron International Corporation)

20080053080 - Housing for an exhaust gas treatment component with a reinforcing sleeve, exhaust gas treatment component, exhaust system and motor vehicle: A housing for an exhaust gas treatment component includes a casing having a first thickness and a first length and at least one sleeve having a second thickness and a second length. The at least one sleeve is at least partially in contact with the outside of the casing and... Agent: Lerner Greenberg Stemer LLP

20080053081 - Hydraulic control system: The invention relates to a hydraulic control system for providing at least one hydraulic consumer with a pressure medium. Said system comprises an LS pump system and a metering port for adjusting the pressure medium volume flow rate towards the consumer. The LS line is connected to a pressure medium... Agent: Oliff & Berridge, PLC

20080053086 - Master cylinder, master cylinder body, and method for producing master cylinder: A master cylinder that can prevent impairment of a piston seal, and a method of producing the master cylinder are provided. A master cylinder has a circumferential groove (47) in which a piston seal is provided, the piston seal having an outer circumference which enables operating fluid to be supplied,... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080053090 - Arrangement for recirculation of exhaust gases in a super-charged internal combustion engine: An arrangement for recirculation of exhaust gases of a supercharged combustion engine. The arrangement comprises an exhaust line operable to lead exhaust gases out from the combustion engine, an inlet line operable to lead air at above atmospheric pressure to the combustion engine, a return line which connects the exhaust... Agent: Ostrolenk Faber Gerb & Soffen

20080053091 - Turbocharging device and control method for controlling the turbocharging device: A method for controlling an electrically assisted turbocharger (1,20,30,40,50) is provided. The turbocharger comprises a compressor assembly (3) having a compressor wheel for compressing a fluid to an engine (7), a turbine assembly (2) having a turbine wheel driven by an exhaust gas of the engine (7) and driving the... Agent: Honeywell International Patent Service

20080053092 - Method for determining the exhaust pressure of a turbocharged internal combustion engine: A method for determining the exhaust pressure (Pr) of a turbocharged internal combustion engine, including a solenoid bypass valve for the exhaust gas, characterised in that an exhaust pressure (Pi) is determined as a function of the inlet air flow to the engine, (Ar), the engine speed (Rr) and the... Agent: Young & Thompson

20080053103 - Combustor heat shield and method of cooling: A heat shield for a gas turbine engine combustor includes an apparatus for providing a spiral flow to improve at least the cooling of the heat shield.... Agent: Ogilvy Renault LLP (pwc)

20080053104 - Manufacture of water chemistries: As population density increases, the transportation of hazardous chemicals, including acids and disinfectants, lead to an increased incidence of spills while the consequences of spills become more serious. While solutions of halide acids, hypohalites and halites are safer disinfectants for transportation, handling, storage and use than traditional gaseous chlorine, the... Agent: Richard A. Haase (inventor)