Abstract: An engine assembly is provided that includes an engine throttle and a supercharger placed in series with one another in air flow to the engine. The throttle and supercharger can be controlled so that throttling losses are selectively distributed across the throttle and/or the supercharger. Throttling losses placed across the supercharger can create torque that can be converted to stored energy.

Abstract: An inlet guide vane assembly is disclosed, which comprises: a housing, configured with a first penetration part and a plurality of first grooves; at least one fixing ring, each configured with a second penetration part and a plurality of second grooves; at least one rotary ring, each configured with a third penetration part and a plurality of sliding chutes, wherein the first, the second and the third penetration parts are arranged in communication with one another; a plurality of vane units, each vane unit is composed of a vane, a linkage and a sliding block; and at least one driving unit, for driving one vane of the plural vanes to swing, thus driving the rotary ring to rotate simultaneously, bringing along the other vanes to swing, enabling the sliding blocks to slide inside corresponding sliding chutes, and consequently flipping the vane from a first state to a second state.

Abstract: An energy storage power plant for harvesting electric energy, and suitable for converting electric energy into thermal energy is provided. The thermal energy can be temporarily stored in at least two thermal stores until demanded and retrieved to increase the energy content of water in a water circuit upon demand. The power plant has the at least two thermal stores, each has at least one converting device that allows electric energy to be directly or indirectly converted into thermal energy, the thermal stores being thermally chargeable by temporarily storing thermal energy, wherein one thermal store is for storing sensible heat and one thermal store is for storing latent heat; and at least one energy generating unit operated using the water in the water circuit, the energy content of the water having been increased by the temporary storage of thermal energy, in order to generate electric energy when operated.

Abstract: This invention relates to an assembly (100) for an aircraft turbofan comprising a flowpath splitter (40) downstream from which there is firstly a fan flowpath (31) inner delimitation ring (44) and secondly a compressor case (42), the assembly comprising a plurality of outlet guide vanes (34) provided with an inner platform (50) located in the downstream continuity of the delimitation ring. According to the invention, the assembly comprises at least one part (52) to support the delimitation ring (44), comprising a radially outer end (52b) fixed to a downstream part of this ring (44) and a radially inner end (52a) fixed to the compressor case (42).

Abstract: A centrifugal blower assembly comprises a scroll housing including a fluid inlet and a spaced apart fluid outlet. An impeller is disposed in the scroll housing and includes a plurality of spaced apart blades arranged annularly around an axis of rotation of the impeller. A portion of each blade adjacent the fluid inlet is spaced apart from the axis of rotation of the impeller a greater distance than a portion of each blade coupled to a hub opposite the fluid inlet. Each of the blades includes a leading edge that is slanted or curved in a radial direction away from the axis of the rotation of the impeller, causing each of the blades to have a more equal distribution of pressure along a length of each of the blades when the impeller is rotated at a constant speed.

Abstract: Broken remnants of turbine engine rotor thru-bolt/nut interfaces are enveloped in a housing that is coupled to the rotor, so that the remnant does not migrate to other portions of the engine. In exemplary embodiments the housing directly mates with and engages the thru-bolt stud male threaded portion that projects outwardly from the nut, such as by a female threaded sleeve that is engaged with the male threads. The sleeve is in turn coupled to and/or supported by the rest of the housing. Some housing embodiments surround one or more of the threaded stud/nut interfaces. Housing embodiments of the invention are installed in situ without removing the rotor structure from the engine.

Abstract: A method for installing a shear web insert between a blade segment and a blade insert of a rotor blade assembly is disclosed. The blade segment may include a first shear web and the blade insert may include a second shear web. The method may generally include coupling a first positioning device along an inner surface of a first side of the rotor blade assembly, inserting the shear web insert horizontally between the first and second shear webs until a first side face of the shear web insert engages the first positioning device and coupling a first retention device along the inner surface of the first side of the rotor blade assembly so that the first retention device is positioned adjacent to a second side face of the shear web insert, wherein the second side face is opposite the first side face.

Abstract: A component for a gas turbine engine according to an exemplary embodiment of the present disclosure includes, among other possible things, a platform having a non-gas path side and a gas path side, an airfoil extending from the gas path side of the platform, and a cover plate positioned adjacent to the non-gas path side of the platform. The cover plate can include a first plurality of openings that communicate a first portion of a cooling air to a first cooling cavity of the platform and a second plurality of openings that can communicate a second portion of the cooling air to the second cooling cavity that is separate from the first cooling cavity. Each of the first cooling cavity and the second cooling cavity can include a plurality of augmentation features.

Abstract: A system and method of generating steam comprising providing a continuous supply of coal, combusting the coal in a primary processing chamber in the presence of oxygen and water to provide a first product gas stream, recovering heat from the first product gas stream in a first heat recovery steam generator to produce a first steam output, processing the first product gas stream in a secondary processing chamber in the presence of oxygen and water to provide a second product gas stream, recovering heat from the second product gas stream in a second heat recovery steam generator to produce a second steam output, and combining the first steam output and the second steam output. Preferably, the combined steam output is used to drive a steam turbine and the turbine is coupled to a generator.

Abstract: A gas turbine engine includes a fan section with twenty (20) or less fan blades and a fan pressure ratio less than about 1.45.

Abstract: An auxiliary steam generator system for a power plant, comprising a water-steam circuit, which has a condensate line and a feed-water line, wherein a condensate pump is connected in the condensate line and a feed-water pump is connected in the feed-water line, and wherein a pressure accumulating vessel is connected between the condensate pump and the feed-water pump, and wherein a feed-water take-off line is connected to the water-steam circuit at a branch-off point after the pressure accumulating vessel is provided. The feed-water take-off line is connected to the pressure accumulating vessel and a heating device is connected in the feed-water take-off line.

Abstract: A controller is provided for an engine comprising urea-SCR catalyst, a urea-water supply section, a low pressure gas recirculating section including a low pressure EGR pipe forming a low pressure EGR passage and a low pressure EGR valve. The controller controls an amount of a fuel supplied to the engine, and an opening degree of the low pressure EGR valve. The controller supplies the urea-water to the urea-SCR catalyst in such a manner that an ammonia flowing out from the urea-SCR catalyst neutralizes an acid condensed water produced by a gas passing through the low pressure EGR passage.

Abstract: A method of controlling ammonia (NH3) amount absorbed in a selective catalytic reduction (SCR) catalyst may include determining a target NH3 absorption amount considering a safety factor on a basis of NH3 absorption characteristics according to a temperature of the SCR catalyst, determining a predicted NH3 reaction amount according to a current driving condition, and controlling injection of urea according to the target NH3 absorption amount and the predicted NH3 reaction amount.

Abstract: A device for the treatment of exhaust gases includes at least a first honeycomb body through which the exhaust gas can flow and a second honeycomb body through which the exhaust gas can flow. The first honeycomb body and the second honeycomb body are disposed in series in an exhaust line and a first cross-sectional area of the first honeycomb body is smaller than a second cross-sectional area of the second honeycomb body. The first honeycomb body is disposed eccentrically in the exhaust line. One of the honeycomb bodies, which is electrically heatable, can be connected to a multiplicity of supporting honeycomb bodies for easy installation in a multiplicity of different vehicle models. A motor vehicle having the device is also provided.

Abstract: An injector for delivering a working fluid into a working environment is disclosed. According to one embodiment of the present invention, the injector includes a pre-metering chamber and a swirl chamber. A high velocity partially atomized flow is produced in the pre-metering chamber through a first exit nozzle after impinging on an atomization element, and then a swirling flow is created in the swirl chamber with the atomization element. When the swirling flow is released through a second exit nozzle, atomization can be achieved at low injector pressure with centrifugal force and shearing of the working fluid. In another embodiment, the injector includes a swirl chamber and an atomization element with a bore, through which a control valve is positioned. The control valve forces a working fluid flow through the atomization element when the injector is energized to create a swirling flow. No flow-back is required for the injectors.

Abstract: To provide a reducing agent supply apparatus that makes it hard to refill the pump side with a liquid reducing agent upon completion of the suck back control of the liquid reducing agent and a method for control the reducing agent supply apparatus. The method for controlling the reducing agent supply apparatus pressure-feeds the liquid reducing agent in a storage tank using a pump and injects the liquid reducing agent into an exhaust passage of the internal combustion engine through a reducing agent injection valve when the internal combustion engine is operating and, when the internal combustion engine stops, sucks the liquid reducing agent remaining in a reducing agent supply path back to the storage tank, in which the suck back control starts when the internal combustion engine stops and, when the suck back control ends, a reducing agent passage interconnecting the pump and the storage tank is opened to air.

Abstract: A reductant delivery system is provided for delivery of reductant to an engine exhaust aftertreatment system that is heated during cold temperature conditions. A heat exchange fluid flows through a heat exchange circuit that provides a flow path from the heat source to the doser, from the doser to the reductant storage tank, and from the reductant storage tank to the heat source. A control valve controls the flow of the heat exchange fluid in the heat exchange circuit so that at least one heat exchange cycle includes a circulation period that increases the temperature of the reductant in the doser and storage tank and a termination period where circulation is stopped until reductant temperature in the doser reaches a lower limit.

Abstract: In an engine with a supercharger, a low pressure loop EGR apparatus includes a EGR passage to allow part of exhaust gas discharged from a combustion chamber of the engine to an exhaust passage to flow as EGR gas in an intake passage to return to the combustion chamber, and a EGR valve to regulate a flow of EGR gas in the EGR passage. The EGR passage has an inlet connected to the exhaust passage downstream of a turbine and an outlet connected to the intake passage upstream of a compressor. An ECU controls the EGR valve while the engine is in a predetermined operating condition, and determines whether or not the EGR valve is failed based on changes in intake amount in the intake passage during control of the EGR valve.

Abstract: An engine system may include a main intake line, a supplementary intake line branched from the main intake line and joined to the main intake line, an intake bypass valve mounted to the main intake line, a main exhaust line mounted to an exhaust manifold, a supplementary exhaust line branched from the exhaust manifold and joined to the main exhaust line, an exhaust bypass valve mounted to the main exhaust line and selectively opening the main exhaust line, a turbocharger disposed adjacent to the supplementary exhaust line and operated by exhaust gas passing through the supplementary exhaust line, and a control unit for controlling the intake bypass valve and the exhaust bypass valve depending on an operation condition, wherein the exhaust gas is re-circulated from an upstream side of the exhaust bypass valve to the main intake line passing through an EGR (Exhaust Gas Recirculation) cooler and an EGR valve.

Abstract: Systems and methods for controlling operation of dual fuel internal combustion engines in response to cylinder pressure based determinations are disclosed. The techniques control fuelling contributions from a first fuel source and a second fuel source to achieve desired operational outcomes in response to the cylinder pressure based determinations.