Abstract: A system and method of non-intrusive thrust measurement of a gas turbine engine. The system comprises a transmitter disposed at a boundary of fluid flow and at least one receiver adapted to receive transmissions from the transmitter. A processor is coupled to the receivers to determine a parameter from a characteristic of the transmission at the receiver suite and adapted to determine a thrust parameter from the parameter. A method for non-intrusively measuring engine thrust includes transmitting a wave across the exhaust plume, receiving the transmitted wave and determining a measurement parameter of the exhaust plume based on a characteristic of the received wave, and comparing the measurement parameter to a reference parameter and determining the thrust based on the comparison.

Abstract: Various embodiments herein pertain to apparatus and methods that utilize the water and existing chemicals to generate a foam. The foam can be introduced at that gas-path entrance of the equipment, where it contacts the stages and internal surfaces, to contact, scrub, carry, and remove fouling away from equipment to restore performance. Some embodiments include mixing gas with liquid to create a supply of foam, streaming the foam into a gas turbine engine installed on an airplane, rotating the spools of the engine while streaming, and re-rotating the spools of the engine after a spool has stopped. In yet other embodiments there is a method that includes streaming the foam into an engine installed on an airplane, quantifying an improvement to a family of engines achievable by foam washing, operating a specific engine, determining that the specific engine should be washed, and scheduling a foam washing of the specific engine.

Abstract: A method for forming a composite part of a gas turbine engine. The method includes assembling the composite part of a first composite material and a second composite material. The second composite material defines an outer surface of the composite part, and is selected to be curable at a cure temperature generated by heat from operation of the engine. The first composite material is selected to have an operating temperature limit less than the cure temperature. The method includes placing the composite part within the engine so that, in use, the second composite material is cured by exposure to the heat generated from operation of the engine. The second composite material thermally shields the first composite material from the heat generated from operation of the engine. The method includes operating the engine to cure the second composite material.

Abstract: A coated component, along with methods of its formation, restoration, and use, is provided. The coated component may include a substrate defining a surface; a thermal barrier coating on the surface of the substrate; a layer of environmental contaminant compositions (e.g., CMAS) on the thermal barrier coating; and a chemical barrier coating on the layer of environmental contaminant compositions.

Abstract: The invention proposes a de-icing splitter nose at the inlet of the low-pressure compressor of a double-flow turbine engine. The splitter nose comprises an annular separation surface with a circular leading edge, the surface being adapted to separate an upstream flow into a primary flow and a secondary flow. The nose further comprises an electric de-icing device with a heating element having a series of parallel, electric, heating strips. The strips are inserted between two strata of dielectric material and are able to prevent the formation of ice on the annular surface, as close as possible to the leading edge.

Abstract: The invention relates to the field of turbomachines, and more specifically to an annular element (13) for a turbomachine casing, which has at least one inside face (14) defining a flow passage for a working fluid of the turbomachine, an outside face (15), and a damper (18), comprising at least one resilient coil turn (18a, 18b, 18c) fitted tightly around a surface of revolution (15a) of the outside face (15), in such a manner as to exert pressure on said surface of revolution (15a). The present invention also relates to damping a rotating wave of distortion of such an annular element (13) for a turbomachine casing, wherein said rotating wave is damped by friction between said surface of revolution (15a) and the at least one coil turn (18a, 18b, 18c) of the damper (18).

Abstract: A system is provided that includes an assembly adapted to support a first body relative to a second body. An elastomeric body is configured with a mounting aperture for receiving the first body. The elastomeric body includes a first protrusion and a second protrusion. A frame wraps about a perimeter of the elastomeric body. The frame is configured with a first window and a second window. The first protrusion extends through the first window to a distal end of the first protrusion. The second protrusion extends through the second window to a distal end of the second protrusion. Spring elements are adapted to mount to the second body. The elastomeric body is disposed between the first and the second spring elements such that the first spring element engages the distal end of the first protrusion and the second spring element engages the distal end of the second protrusion.

Abstract: A strut assembly for a bearing compartment of a gas turbine engine includes an inner case, an outer case, and a first plurality of struts. The inner case is disposed within the bearing compartment and includes a first axis. The outer case defines an exterior of the bearing compartment and includes a second axis disposed co-axially with the first axis. The inner and outer cases define a flowpath between the inner and outer cases. Each strut of the first plurality of struts extends between and is connected to the inner and outer cases. The first plurality of struts is configured to maintain concentric positioning between the inner and outer cases and to allow relative changes in size between the inner and outer cases without deforming the inner case.

Abstract: One exemplary embodiment according to this disclosure relates to a system includes a blade outer air seal (BOAS), and a meter plate. A portion of the meter plate is provided radially outward of a radially outermost surface of the BOAS.

Abstract: Component retention assemblies and flowpath assemblies are provided. An exemplary retention assembly comprises a flange attached to a support structure, a retention ring received in a flange groove, and an attachment bracket comprising a component of a gas turbine engine. A first segment of the attachment bracket is axially disposed between the flange and a support structure first portion, and a second segment of the attachment bracket is radially disposed between the flange and a support structure second portion. The flange axially loads and the retention ring radially loads the attachment bracket into the support structure. An exemplary flowpath assembly comprises a retention assembly including a flange attached to a casing, a retention ring, and a CMC attachment bracket comprising a plurality of CMC components. The flange axially loads the attachment bracket into an axial stop, and the retention ring radially loads the attachment bracket into the casing.

Abstract: A Rankine cycle apparatus includes a pump, an evaporator, an expander, a condenser, and an internal heat exchanger. The internal heat exchanger allows heat exchange to take place between a working fluid discharged from the expander and a working fluid discharged from the pump. A temperature of the working fluid at an inlet of the expander is set so that a temperature of the working fluid at an outlet of the expander be higher than a saturation temperature on a high-pressure side of the cycle.

Abstract: The present invention is capable of more smoothly changing a phase of a cam shaft in a rotation direction. A variable valve mechanism changes an opening/closing timing of an intake valve or an exhaust valve in response to an engine rotation speed. The variable valve mechanism includes: a cam sprocket which rotates in response to a rotation of a crank shaft; an intake cam shaft which is integrated with an intake cam and is provided to be rotatable relatively to the cam sprocket; and a link member that transmits a rotation from the cam sprocket to the intake cam shaft. The link member is supported by the cam sprocket to be swingable and swings in response to a change in rotation speed of the cam sprocket to rotate the intake cam shaft relatively to the cam sprocket.

Abstract: An engine valve and a method of producing the engine valve are provided. The engine valve includes a shaft part and an umbrella part formed at one end of the shaft part. The engine valve opens and closes an intake port or an exhaust port of a combustion chamber of an internal combustion engine. Further, at least a portion of the engine valve that extends from the umbrella part to a position on the shaft part in a longitudinal direction thereof includes a valve body made of steel or nickel alloy, and a core member made of copper or copper alloy and provided inside the valve body.

Abstract: Poppet valves in an internal combustion engine may be operated intermittently if desired by the selective dynamic locking or unlocking of one or more cam lobes with the shaft that acts as a conventional camshaft when the lobes are locked to it. One or more cam lobes with a small radial clearance ride on a shaft so that an engagement mechanism may be activated as needed to lock the cam lobe to the shaft, thus activating the respective poppet valve. The cam lobe is prevented from moving axially to ensure correct alignment with a follower. A suitable holding device may be used to ensure the non-activated cam lobe(s) is (are) restrained at a suitable orientation relative to the cam follower.

Abstract: Described herein is a system for variable actuation of an engine valve of an internal-combustion engine, where the system is able to actuate the engine valves, selectively, in a four-stroke operating mode and in a two-stroke operating mode, on the basis of the operating conditions of the engine.

Abstract: A method for controlling a drivetrain of a motor vehicle is disclosed. Either a start mode for starting the reciprocating engine is activated via the driving vehicle wheel, or a coasting mode is activated for driving the reciprocating engine via the driving vehicle wheel. At least one volume-reducing stroke is executed that follows an intake stroke for at least one cylinder of the reciprocating engine with at least intermittently open cylinder. Alternately at least one volume-enlarging stroke is executed for at least one cylinder of the reciprocating engine, which is followed by a compression stroke of this cylinder, and at least one volume-reducing stroke of this cylinder, which follows an expansion stroke that follows the compression stroke, with a cylinder that is closed, if possible, in this operating mode.

Abstract: A device for the separation of oil droplets and/or oil mist from blow-by gases of an internal combustion engine with a valve for the control of the gas stream through the air-oil separator. The valve has a valve body with at least two or several gas passage openings as well as a valve closure for the closure of gas passage openings of the valve body.

Abstract: A slip-type active noise control muffler reducing exhaust noise of a vehicle may include at least two guides connected to an inner wall of a housing accommodating exhaust gas in the muffler and formed in a pipe shape in a longitudinal direction of the muffler, and a baffle positioned in a plane shape partitioning the interior of the housing and including an electromagnet on the plane shape to control an interval of the baffles through a movement signal by current applied to the electromagnet according to frequency calculated from the exhaust gas, in which the interval of the baffles may be controlled and the exhaust noise may be reduced by controlling the number of wavelengths depending on the frequency.

Abstract: An exhaust gas control apparatus includes a first catalyst, a filter, and an electronic control unit. The electronic control unit is configured to alternately execute lean control and rich control multiple times. The lean control is control for, over a period longer than a period from when a target air-fuel ratio is set to a predetermined lean air-fuel ratio until an air-fuel ratio of exhaust gas flowing out from the first catalyst becomes greater than the stoichiometric air-fuel ratio, setting the target air-fuel ratio to the predetermined lean air-fuel ratio. The rich control is control for, over a period longer than a period from when the target air-fuel ratio is set to a predetermined rich air-fuel ratio until the air-fuel ratio of exhaust gas flowing out from the first catalyst becomes smaller than the stoichiometric air-fuel ratio, setting the target air-fuel ratio to the predetermined rich air-fuel ratio.

Abstract: Methods are described for increasing the sensitivity of particulate matter detection in an exhaust system of a vehicle. An example particulate matter sensor assembly comprises a pair of planar interdigitated electrode structures held at a voltage bias with respect to each other. An alternate embodiment may comprise a planar interdigitated electrode pair, and a conducting plate assembly again held at a voltage bias with respect to the planar interdigitated electrode pair. The bias may overlay an additional electric field drive, which improves the capture of soot particles on the sensor assembly surface thereby increasing sensitivity of particulate matter sensors.

Abstract: In general, this disclosure describes method of capturing and storing CO2 on a vehicle. The method includes contacting an vehicle exhaust gas with one or more of a first metal organic framework (MOF) composition sufficient to separate CO2 from the exhaust gas, contacting the separated CO2 with one or more of a second MOF composition sufficient to store the CO2 and wherein the one or more first MOF composition comprises one or more SIFSIX-n-M MOF and wherein M is a metal and n is 2 or 3. Embodiments also describe an apparatus or system for capturing and storing CO2 onboard a vehicle.

Abstract: There is provided an exhaust gas purification system including: a NOx storage-reduction catalyst that is provided in an exhaust system of an internal combustion engine to reduce and purify NOx in exhaust gas; a degree of deterioration estimation module 120 for estimating a degree of deterioration of the NOx storage-reduction catalyst; a regeneration control unit 100 for executing a regeneration process in which exhaust gas is enriched so as to restore a NOx storage capacity of the NOx storage-reduction catalyst; an interval setting module for setting a target interval from an end of the regeneration process to a start of the subsequent regeneration process by the regeneration control unit; and an interval target value correction module for correcting the target interval based on the degree of deterioration that is estimated by the degree of deterioration estimation module.

Abstract: A method is disclosed for loading elongate wire lengths into elongate cells of a honeycomb ceramic substrate unit for a gaseous emissions treatment assembly, the cells each having a small cross-sectional area, the area shape matching the cross-sectional shape of the loaded wire lengths and marginally greater in area size than the wire lengths. A wire length is formed with a generally pointed end tip by pulling adjacent parts of a wire along the wire axis respectively in opposite directions from a desired wire breakage site. The tension and timing of the pulling operation are selected so that a desired tip profile is achieved. Initial alignment is done using machine vision. Subsequent adjustment is effected in dependence on feedback from sensors mounted close to the end of a wire insertion arm. Breakage and push insertion of wires is done using alternating gripping and moving of chucks or collets which have aperture shapes close in profile to the outer profile of the wire lengths.

Abstract: An electrically conductive connection between at least two electrically conductive stacks of at least partially structured, metal foils which form a large number of channels through which a fluid may flow, comprising at least one electrically conductive rod element which passes through the at least two stacks, wherein a spacer element is arranged on the at least one rod element and between the at least two stacks, the two stacks being arranged at a distance from one another by the spacer element; wherein an arrangement comprising the at least two stacks, the at least one rod element and the spacer element is clamped by at least one clamping element.

Abstract: A method for regulating an exhaust-gas aftertreatment device for an internal combustion engine, wherein respectively one loading state of a first SCR component and of a second SCR component arranged downstream of the first SCR component is determined. The loading state of the second SCR component is regulated by way of a dosing system for dosing a reducing agent.

Abstract: The present invention is a method for removing pollution from exhaust gas circulating in an exhaust line (12) of an internal-combustion engine. The exhaust line comprises an ammonia-sensitive catalyst (46) with selective NOx catalytic reduction traversed by the gas and an injector (56, 58) for injecting a reductant of the pollutants The catalyst decomposes the reductant into a hydrogen gas phase and an ammonia gas phase and, for a gas temperature below approximately 150° C. injects the hydrogen into the exhaust line in combination with a hydrogen-sensitive NOx catalyst.

Abstract: An exhaust treatment system comprising: a first oxidation catalyst to oxidize nitrogen compounds and/or hydrocarbon compounds in said exhaust stream; a first dosage device downstream of said first oxidation catalyst to supply a first additive into said exhaust stream; a first reduction catalyst device downstream of said first dosage device for reduction of nitrogen oxides in said exhaust stream using said first additive; a particulate filter, comprising a catalytically oxidizing coating downstream of said first reduction catalyst device to catch soot particles and oxidize one or several of nitrogen oxide and incompletely oxidized carbon compounds in said exhaust stream; a second dosage device downstream of said particulate filter to supply a second additive into said exhaust stream; and a second reduction catalyst device downstream of said second dosage device for a reduction of nitrogen oxides in said exhaust stream, using at least one of said first and second additive.

Abstract: Systems and methods for an aftertreatment system configured for use with a dual-fuel engine system are described. The method comprises determining an operating mode of the dual-fuel engine. Upon determining that the dual-fuel engine is operating in a dual-fuel mode or a natural gas mode, the dual-fuel engine operates in a stoichiometric operating condition, and the exhaust is received into a three-way catalyst communicatively connected to a selective catalytic reduction catalyst. Upon determining that the dual-fuel engine is not operating in the dual-fuel mode or the natural gas mode, the engine operates in a lean operating condition.

Abstract: In a method for heating an operating agent for a rail vehicle, particularly for heating a reducing agent for the after-treatment of exhaust gas, a coolant liquid is pumped through a cooling circuit of the internal combustion engine by a pump when an operating agent heating system is in an operating mode. In the operating mode, the coolant liquid is pumpable through a main heating circuit by of the pump in order to heat the operating agent in a reservoir. When the operating agent heating system is in a preheating mode, the main heating circuit is divided into two sub-circuits of a preheating circuit, the flow being able to pass through both of the sub-circuits.

Abstract: A reducing agent is supplied to an NOx catalyst in a suitable manner, while suppressing NOx from being produced by oxidation of ammonia in the NOx catalyst. In cases where the temperature of NOx is equal to or higher than a predetermined temperature at which ammonia is oxidized, an amount of ammonia or an amount of a precursor thereof to be added into exhaust gas from an addition valve is made smaller, when an air fuel ratio of exhaust gas flowing into the NOx catalyst is larger than a predetermined air fuel ratio, than when the air fuel ratio of the exhaust gas is equal to or less than the predetermined air fuel ratio.

Abstract: A system for assembling an exhaust after-treatment assembly having a plurality of exhaust after-treatment blocks is described. Each of the plurality of exhaust after-treatment blocks is disposed adjacent to at least one other exhaust after-treatment block. Each exhaust after-treatment block has one or more catalyst substrates. Each catalyst substrate includes a first face, a second face, and a plurality of side faces. The system includes at least one flange member to surround the one or more catalyst substrates about the side faces. The system further includes a locking arrangement including one or more clips on the flange member and a bracket member configured to engage with the one or more clips in the flange members of the adjacent exhaust after-treatment blocks.

Abstract: A method for determining a mass flow of ammonia between two SCR catalytic converters disposed one after the other in an SCR catalytic converter system in an exhaust system, which comprises only one reduction agent dosing unit upstream of the first SCR catalytic converter, characterized in that the determination is carried out from the signal of a NOx sensor disposed between the two SCR catalytic converters and the signal of a NOx sensor disposed downstream of the second SCR catalytic converter.

Abstract: The PM sensor includes: a filter member having a plurality of measuring cells which are defined by a porous partition wall and configured to trap particulate matter in exhaust gas; at least a pair of electrode members which are disposed to face each other with the measuring cell sandwiched therebetween to form a condenser; a heater member which heats the measuring cell to burn and remove particulate matter accumulated in the measuring cell; and an estimation unit which estimates an amount of the particulate matter contained in the exhaust gas based on an electrostatic capacity between the pair of electrode members.

Abstract: A method for asynchronously delivering a reductant to a first selective catalytic reduction system and a second selective catalytic reduction system of an aftertreatment system via a reductant insertion assembly, the reductant insertion assembly comprising a first injector fluidly coupled to the first selective catalytic reduction system and a second injector fluidly coupled to the second selective catalytic reduction system, the method including: activating the first injector; maintaining the first injector activated for a first delivery time, thereby inserting a first amount of reductant into the first selective catalytic reduction system; deactivating the first injector; activating the second injector; and maintaining the second injector activated for a second delivery time, thereby inserting a second amount of reductant into the second selective catalytic reduction system.

Abstract: A valve device for an exhaust flow passage includes a toggle mechanism, in which a support-side link member and a valve-side link member form a first stopper mechanism and a second stopper mechanism. The first stopper mechanism is configured to limit a link angle formed by the support-side link member and the valve-side link member by abutment of a first support-side stopper portion formed in the support-side link member and a first valve-side stopper portion formed in the valve-side link member against each other. The second stopper mechanism is configured to limit the link angle by abutment of a second support-side stopper portion formed in the support-side link member and a second valve-side stopper portion formed in the valve-side link member.

Abstract: An internal combustion engine includes a manifold channel. With respect to a longest cylinder that is a cylinder whose flow channel length from the cylinder to a collective portion is the longest among three cylinders, the manifold channel is provided with a hollow layer that covers a part of a channel wall in the flow channel direction of a branch channel connected to the longest cylinder. With respect to a shortest cylinder that is a cylinder whose flow channel length from the cylinder to the collective portion are the shortest, the manifold channel is not provided with a hollow layer that covers a channel wall of a branch channel connected to the shortest cylinder. A wall that forms the hollow layer for the longest cylinder is formed integrally and continuously with the same material as a channel wall of the branch channel connected to the longest cylinder.

Abstract: An assembly for an exhaust system comprises a housing having a jacket, an insert arranged in the interior of the housing and having at least one exhaust pipe, wherein the jacket has an opening, in particular a radial opening, through which the exhaust pipe is connectable to the exhaust system, wherein an adapter part is provided that is connected to the exhaust pipe, and wherein the adapter part has a contact section that contacts the inner side of the jacket around the opening.

Abstract: Methods and systems are provided for adjusting vehicle grille shutters based on a direction of motion of the grille shutters. In one example, a method includes adjusting a motor coupled to the grille shutters based on the direction of motion of the grille shutters, a desired opening of the grille shutters, and vehicle speed. Further, the method may include determining the direction of motion of the grille shutters based on a desired motor position relative to an actual motor position.

Abstract: Provided is a fluid control valve assembly which reduces pressure loss a fluid passage line including a fluid control valve, thereby mini-minimizing the pressure for a fluid to pass therethrough to ensuring a required amount of flow without upsizing the overall assembly. The fluid control valve assembly includes an upstream pipe forming an upstream fluid passageway tilted at a predetermined angle relative to a valve axis to face an upstream chamber. The upstream chamber is formed upstream of a valve portion which has a valve seat and a valve body in a valve housing and which can open and close the fluid passageway. The wall surface of the upstream chamber is integrated with a swelling, which is projected in the chamber to thereby rectify and guide the fluid flowing therein through the upstream pipe so that the fluid smoothly flows to the valve portion.

Abstract: A cooling system (10) for a vehicle has a high temperature cooling circuit (11) for cooling a drive assembly (13) and an exhaust gas turbocharger (14) and has a low temperature cooling circuit (12) for cooling a charge air cooler (19). The high temperature cooling circuit (11) and the low temperature cooling circuit (12) are coupled via a coupling line (25), into which a nonreturn valve (26) is connected. The nonreturn valve (26) is opened or closed depending on the pressure ratio between the high temperature cooling circuit (11) and the low temperature cooling circuit (12). The high temperature cooling circuit (11) and the low temperature cooling circuit (12) can be vented via a common cooling water compensation tank (21) only in defined operating states when the nonreturn valve (26) of the coupling line (25) is open.

Abstract: Methods and systems are provided for a pre-chamber ignition system. In one example, a pre-chamber ignition system may include a pre-chamber extending into a combustion chamber, a piston protrusion shaped to fit through a bottom aperture of the pre-chamber, and a plurality of orifices formed by sidewall of the pre-chamber. A method for the pre-chamber ignition system includes adjusting spark timing within the pre-chamber and pressing the protrusion into the pre-chamber to ignite air/fuel within a main chamber.

Abstract: Synergistic induction and turbocharging includes the use of one or more throttles in close proximity to each cylinder intake valve to control air flow in each intake port delivering air to combustion cylinders in an internal combustion engine system. A turbocharger may also be affixed in close proximity to each cylinder exhaust valve to enable a synergistic combination of hyper-filling cylinders with combustion air and immediate harvesting of exhaust gas by adjacent turbochargers. In some implementations the turbochargers may be low-inertia turbochargers. The combination of individual throttles per intake port and a turbocharger in close proximity to each cylinder enables faster ramp-up of an engine in the early stages of acceleration. Various implementations thus provide improved fuel economy and improved engine performance in tandem, instead of one at the expense of the other.

Abstract: An engine additive fluid port includes a series of material layers arranged as a first oblong hollow member configured to seamlessly surround at least a portion of an intake port of an integrated cylinder head. The member penetrates into a cavity of the intake port via a plurality of nozzles featuring apertures capable of spraying a first fluid into the cavity.

Abstract: An internal combustion engine, includes: an engine main body; a structural member disposed around the engine main body; a bracket including a support plate and a plurality of leg pieces depending from the support plate and connected to the structural member; a turbocharger including a turbine and a compressor, the turbine being connected to a side of the support plate opposite to the structural member; an exhaust pipe connected to a central part of the turbine and extending in a direction away from the compressor; and an engine auxiliary disposed between the structural member and the support plate, wherein the leg pieces are arranged unevenly to provide a higher heat shielding performance on a side of the exhaust pipe than on a side of the compressor with respect to the support plate.

Abstract: The present invention relates to a control device and to a control method for a vehicle drive mechanism including a moving body having a movability range regulated by two stoppers, and a sensor which senses a position of the moving body. The control device of the present invention learns an output of the sensor corresponding to a contact state of a high-rigidity stopper, and limits, to a lower level, an operation variable of the actuator for moving the moving body toward a low-rigidity stopper along with an increase in an amount of change in the output of the sensor from the contact state of the high-rigidity stopper. Then, the control device learns the output of the sensor corresponding to the contact state of the low-rigidity stopper, and controls the actuator based on the output of the sensor learned at both the stopper positions.

Abstract: Electrical power systems, including generating capacity of a gas turbine, where additional power is generated from an air expander and gas turbine simultaneously from a stored compressed air and thermal system.

Abstract: A gas turbine engine may include a deep heat recovery system, such as a deep heat recovery super critical carbon dioxide (sCO2) system. The deep heat recovery system may include two-stage cooling of the working fluid (such as carbon dioxide—CO2) where at least one of cooling stages is recuperative by transferring heat from the working fluid to a flow of compressed air being supplied to a combustor included in the gas turbine engine. The deep heat recovery system may operate in a supercritical cycle, or in a transcritical cycle depending on the temperature to which the working fluid is cooled during a second stage of the two-stage cooling. The second stage of the two-stage cooling includes working fluid-to-air heat rejection where the air is ambient air.

Abstract: An intake for channeling air flowing past a propeller to an inlet of an aircraft engine that drives the propeller with a drive shaft, the intake including: a static cowling that extends along an axis and that flares outward at an upstream end of the static cowling, and an intake slot that is formed in the static cowling. The intake slot connecting to a passage of the inlet of the aircraft engine, the intake slot including an arched opening that extends less than 360 degrees of a circumference of the static cowling, and the intake slot having a downstream lip with a curved profile that blends into the static cowling.

Abstract: The present disclosure relates generally to an inlet screen for turbomachinery. The inlet screen may include a first screen and a second screen, wherein at least a portion of the first screen is offset from the second screen.

Abstract: The apparatus and systems are for removing contaminants from an exhaust stream. The process may involve passing at least a portion of an exhaust stream through a cooling component, which draws a cooling stream into the cooling component. The cooling stream interacts with the at least a portion of the exhaust stream to form a mixed stream. The resulting mixed stream is a lower temperature than the at least portion of the exhaust stream.