Abstract: A system includes a gasification feed injector that includes a tip portion with a first threaded portion, a coolant chamber disposed in the tip portion, and a coolant fluid conduit having a second threaded portion. The coolant fluid conduit is coupled to the tip portion adjacent to the coolant chamber via screwing of the second threaded portion into the first threaded portion.

Abstract: Gas distribution assemblies are described including an annular body, an upper plate, and a lower plate. The upper plate may define a first plurality of apertures, and the lower plate may define a second and third plurality of apertures. The upper and lower plates may be coupled with one another and the annular body such that the first and second apertures produce channels through the gas distribution assemblies, and a volume is defined between the upper and lower plates.

Abstract: Dosing structure (30) is provided for supplying diesel fuel to an exhaust passage (12) of a diesel system. The dosing structure includes an electrically operated dosing valve (32) constructed and arranged to receive a supply of diesel fuel and to deliver the fuel to the exhaust passage. A water jacket (34) surrounds at least a portion of the dosing valve so as to provide direct water-cooling of the dosing valve. The dosing valve is preferably an electrically controlled fuel injector.

Abstract: A method of assembling an injection device for use in a reactor injector feed assembly includes extending the injection device at least partially into a cavity. The injection device includes a plurality of substantially concentric conduits coupled to a modular tip that includes a plurality of cooling channels and a plurality of substantially annular nozzles defined therein. The method also includes coupling at least one coolant distribution device in flow communication with the plurality of cooling channels to facilitate removing heat from an outer surface of the injection device.

Abstract: A reductant delivery unit (RDU) delivers supplied reductant (aqueous urea solution) to the engine exhaust system. The delivered reductant is transformed into ammonia which then reacts with the exhaust oxides of nitrogen in a catalytic environment to produce nitrogen and H20. The reductant must be metered to coincide with the amount of NOx present in the exhaust, and also present sufficient spray quality of the delivered fluid to promote good mixing of the ammonia with the exhaust gas. The RDU is a liquid-cooled, making the RDU suitable for very high temperature environment applications.

Abstract: A nozzle includes a center body and a shroud circumferentially surrounding at least a portion of the center body to define an annular passage between the center body and the shroud. A plurality of apertures pass through the center body to the annular passage, and a plenum extends inside the center body and is in fluid communication with the plurality of apertures. A cooling medium is in fluid communication with the plenum. A method for cooling a nozzle includes flowing a cooling medium through a plenum across a surface of the nozzle.

Abstract: A fluid cooled injector includes an injector body comprising an injector tip and a cooling channel, the injector tip comprising an injector orifice, and a heat conducting shield, the heat conducting shield comprising a heat conducting shield orifice arranged coaxially with the injector orifice, the heat conducting shield being in direct contact with at least one of the injector body and the injector tip. An exhaust after treatment system and a vehicle including such an injector, and a method involving the use of such an injector, are also disclosed.

Abstract: An SCR-injection unit includes an injector, a sleeve element for fixing the injector to a flange of an exhaust gas pipe, and a cooling body. According to the invention, the sleeve element has an elongated thin-walled connecting section, one axial end of which is indirectly connected to the flange of the exhaust gas pipe and the other axial end of which is indirectly connected to a supporting structure for the injector.

Abstract: An eductor assembly comprises a primary nozzle configured to discharge turbine exhaust gas therefrom. The eductor assembly further comprises a cooler plenum having an inlet and an outlet and a surge plenum at least partially surrounding the cooler plenum and the nozzle, the surge plenum for conducting a surge flow. Cooling air flows through a vent between the cooler plenum and the surge plenum when there is no surge flow.

Abstract: The present invention provides additional cooling assistance for automotive heat exchanging systems used for the cooling of liquids or air needed for engine operations. This operating system utilizes a liquid reservoir, an electric pump, a liquid transfer hose housing a directional flow valve, a spray nozzle, a liquid recycling tray mounted below the heat exchanger, a recycling liquid return hose, an electrical timed pulse relay circuit incorporated into a remotely mounted electrical on and off switch assembly, or the system can be automated with the incorporation of an adjustable thermostatic control sensor circuit. Under extreme operating conditions, a vehicle's engine can reach undesirable operating temperatures and when providing a mist of liquid to the frontal area of the heat exchanger, helps to stabilize or drop the engine's operating temperatures.

Abstract: A fully articulable feedstock delivery device that is designed to operate at pressure and temperature extremes. The device incorporates an articulating ball assembly which allows for more accurate delivery of the feedstock to a target location. The device is suitable for a variety of applications including, but not limited to, delivery of feedstock to a high-pressure reaction chamber or process zone.

Abstract: The invention provides a fluid injector assembly for the injection of a fluid including an injector body having distal and proximal ends, a fluid inlet disposed towards the proximal end, a fluid outlet disposed towards the distal end, and a fluid pathway extending therebetween the inlet and the outlet. An injector needle is rotatably disposed at least partially in the injector body and is moveable between an open and closed position. The proximal end of the injector needle has a tip that is configured to sealably close the fluid outlet. The fluid injector assembly includes a first threaded region that cooperates with a corresponding threaded region on the needle, and first and second cooperating coupling members that are arranged axially of the injector needle. The first coupling member is attached to a motor, and the second coupling member is attached to a distal end of the injector needle.

Abstract: A fuel injector includes an injector body forming an actuator portion. An actuator bore is formed in the actuator portion and is at least partially defined by an inner surface and by an end surface. An actuator disposed in the actuator bore and has an outer surface such that a flow channel can be defined between the inner surface of the actuator bore and the outer surface of the actuator. A cooling flow passage is formed in the injector body, in fluid communication with the actuator bore, and is adapted to supply cooling fluid to the actuator bore. A drain passage is formed in the injector body, in fluid communication with the actuator bore. An internal cooling fluid flow path extends from the cooling flow passage, through the flow channel, and from the flow channel through the drain passage.

Abstract: A method for assembling a nozzle is provided. The method includes providing an injection tube that includes an outlet that is configured to discharge fuel therefrom. A face plate is also provided that extends about the injection tube such that the face plate substantially circumscribes the outlet. A cooling chamber is defined within the injection tube and configured to channel cooling fluid adjacent to the face plate. At least one surface defining the cooling chamber is configured to disrupt a flow of the cooling fluid flowing through the cooling chamber.

Abstract: The present invention provides a disperser that gives a local dispersing effect and a homogenous dispersing effect and that achieves a more efficient dispersion. The shearing disperser comprising a rotor and an opposing member that is opposite the rotor, wherein the disperser disperses a slurry or liquid mixture by allowing the mixture to pass through the disperser and outwardly between the rotor and the opposing member by centrifugal force, and wherein the disperser further comprises a plurality of gaps that are provided between the rotor and the opposing member and lead the mixture outwardly; and a buffering space that is provided to connect an outermost gap to a gap located in a position inward from the outermost gap and that retains the mixture.

Abstract: Such apparatuses are used for discharging active substances along with various carrier media, water often being used as a carrier medium. In order to ensure that the water perfectly nebulizes together with the active substance, the mist pipe (10) comprises at least three additional pipes (3 to 6) which partly surround each other to form annular chambers (31 to 33). Such a mist pipe (10) allows the size distribution of the drops to be kept within narrow limits even when water is used as a carrier medium. The nebulizer and the mist pipe (10) are mainly used in the health sector, in agriculture, plantations and greenhouses, for protecting supplies and for disinfection purposes on humans, in animal husbandry, and in food production.

Abstract: According to various embodiments, a system includes a gasification fuel injector. The gasification fuel injector includes a tip portion, an annular coolant chamber disposed in the tip portion, and a first structural support extending through the annular coolant chamber. The first structural support divides the annular coolant chamber into a first passage and a second passage.

Abstract: An exhaust gas treatment system for reducing emissions from an engine includes an exhaust conduit adapted to supply an exhaust stream from an engine to an exhaust treatment device. An injector injects a reagent through an aperture in the conduit into the exhaust stream. A vortex breaker includes a mount having a cylindrical sleeve extending through the aperture as well as a flared tube fixed to and positioned within the cylindrical sleeve. A window extends through an upstream portion of the cylindrical sleeve exposing the flared tube to the exhaust stream. The sleeve includes a downstream aperture in fluid communication with the window.

Abstract: A system includes a gasification fuel injector. The gasification fuel injector includes a tip portion surrounding an injection passage configured to inject a fluid in a downstream direction. The tip portion includes an inner wall surrounding the injection passage and extending in the downstream direction from a neck to a rim, an outer wall surrounding the inner wall and extending from the neck to the rim, and a coolant chamber between the inner and outer walls. The outer wall includes a curved wall portion extending in the downstream direction away from the rim.

Abstract: According to various embodiments, a system includes a gasification fuel injector. The gasification fuel injector includes a tip portion, an annular coolant chamber disposed in the tip portion, and a first structural support extending through the annular coolant chamber. The first structural support divides the annular coolant chamber into a first passage and a second passage.

Abstract: A coaxial injection device for injecting and dispersing reagents into a reactor, including an exterior duct for high-velocity gas injection; an outer-middle injector with at least one nozzle for liquid injection; an inner-middle duct for low-velocity gas injection; and an interior injector with nozzle for liquid injection; wherein, the exterior duct is formed by the internal wall of an insert and the external wall of the outer-middle injector; and is located externally to and circumferentially surrounds all other injectors and ducts; the outer-middle injector is formed by two concentric cylinders with end plate and injector nozzles; the inner-middle duct is formed by interior wall of the outer-middle injector and the exterior wall of the interior injector; the interior injector is formed by a cylinder with an endplate, the endplate having a nozzle; thereby ensuring the mixing and dispersion of the liquids and gases into the reactor to increase reaction homogeneity, reaction efficiency, reactor efficiency and

Abstract: A fuel nozzle with active cooling is provided. It includes an outer peripheral wall, a nozzle center body concentrically disposed within the outer wall in a fuel and air pre-mixture. The fuel and air pre-mixture includes an air inlet, a fuel inlet and a premixing passage defined between the outer wall in the center body. A gas fuel flow passage is provided. A first cooling passage is included within the center body in a second cooling passage is defined between the center body and the outer wall.

Abstract: A mounting device for an injector in an exhaust system of an internal combustion engine; the mounting device is provided with a tubular support body, which is made of a thermally conductive material, houses the injector therein, and is adapted to be coupled to a connection tube laterally extending outwards from an exhaust conduit of the exhaust system at a lower end thereof; an upper portion of the support body is thermally coupled to an upper portion of a nose of the injector so that a high thermal exchange occurs by conduction between the upper portion of the nose of the injector and the upper portion of the support body; and a lower portion of the support body is thermally insulated from a lower portion of the nose of the injector so that a reduced thermal exchange occurs by conduction between the upper portion of the nose of the injector and the upper portion of the support body.

Abstract: A torch (1) for thermal spraying of surface coatings, of the type that comprises a head (3) and a bracket (2) for the head (3), in which the head (3) pivots relative to the bracket (2). The invention also relates to the coatings obtained using the torch, whether of polymer, metal or ceramic materials, on any substrate coated thereby, whether of polymer, metal or ceramic or composite materials. The invention is applicable to different types of thermal spray torches, using plasma spray, combustion spray, High Velocity Oxygen Fuel (HVOF), or Low Velocity processes.

Abstract: A fuel nozzle for a gas turbine combustor includes: an internal cylinder; a burner cylinder concentrically provided on the outer circumference of the internal cylinder in the vicinity of its distal end to surround the distal end portion of the internal cylinder; an air passage provided between the burner cylinder and the internal cylinder for delivering combustion air; a space provided at an axial center of the internal cylinder and extending in the axial direction of the internal cylinder; a plurality of inner passages provided at approximately equal intervals in the circumferential direction of the internal cylinder for injecting fluid through its distal end portion; and at least one communication portion provided on the upstream side of the distal end portion of the internal cylinder and extending from the outer wall of the internal cylinder toward the inner side in the radial direction to communicate with the space.

Abstract: A common rail single fluid injection system includes fuel injectors and control valve assemblies with an internal cooling fluid circuit to improve overall life and performance of the injector. This is accomplished by supplying cooling fluid to the injector and allowing the same to come in direct contact with one of the hottest locations within the fuel injector; the high-pressure leak split spot. By providing cooling fluid directly to this location and then allowing the cooling fluid to drain out of the injector, the present disclosure effectively and efficiently manages thermal loads within the injector.

Abstract: A nozzle includes an inlet at an upstream end of the nozzle, a discharge outlet at a downstream end of the nozzle, and a fluid delivery passage extending between the inlet and the discharge outlet. Exterior and interior walls of the nozzle have downstream tip ends that are relatively longitudinally movable at one or more interfaces. An internal insulating gap is interposed between the interior and exterior walls to insulate fuel from ambient temperature conditions exterior to the nozzle. One or more flexible seal structures internal to the nozzle isolate a portion of the insulating gap from any ambient fluid entering into the gap through the one or more interfaces while providing relative movement between interior and exterior walls of the nozzle.

Abstract: A system for injecting from an injector into a duct of an engine system is provided. The system may include a first flange on a duct connection side, a second flange on an injector connection side, a stand-off separating the first flange from the second flange to form an air gap therebetween, and a seal offset from at least one of the first and the second flanges and located within the airgap and between the first flange and the second flange.

Abstract: According to various embodiments, a system includes a gasification fuel injector. The gasification fuel injector includes a tip portion, an annular coolant chamber disposed in the tip portion, a recessed surface for cooling control and a first structural support extending through the annular coolant chamber. The first structural support divides the annular coolant chamber into a first passage and a second passage.

Abstract: An apparatus includes a furnace structure defining a combustion zone, and a tube that discharges fuel-oxidant premix into the combustion zone through an outlet from the tube. A reactant supply system provides the tube with unmixed fuel and oxidant for forming the premix. A flashback control means inhibits or extinguishes flashback in the tube.

Abstract: An apparatus for cooling a hot gaseous medium includes a vessel, wherein a bundle of pipes is disposed in a coolant compartment, and wherein a liquid coolant flows around the bundle. The pipes are mounted near upstream ends in a thermal shield and extend through openings in a support plate mounted at a distance from the thermal shield defining a front space between the thermal shield and the support plate in the vessel separated from the coolant compartment. The apparatus permits addition of liquid coolant to the front space. The openings in the support plate are larger than the pipes, defining an annular space. Liquid coolant flows co-current with the hot gaseous medium in the pipes from the front space to the coolant compartment. A skirt type extension surrounds the pipe in the front space to the support plate and having an opening at the thermal shield.

Abstract: A torch igniter and method of cooling the torch igniter includes axially flowing a first stream of gaseous oxidizer through a torch throat and vortically flowing a second stream of the gaseous oxidizer within a combustion chamber.

Abstract: Apparatus for protecting a feed injector and methods of assembly are provided. In one aspect, a method of assembling a feed injector cooling apparatus includes coupling a coolant source in flow communication with a mounting flange, coupling the mounting flange to a first end of a sheath, wherein the sheath circumscribes a feed injector barrel, and coupling a cap to a second end of the sheath, wherein the cap includes a center port through which a feed injector tip projects into a gasifier.

Abstract: A nozzle includes a nozzle body and a cavity defined at least in part by the nozzle body. A plenum extends through the nozzle body into the cavity. At least one passage through the plenum provides fluid communication between the plenum and the cavity. Orifices through the nozzle body and circumferentially spaced around the nozzle body provide fluid communication through the nozzle body. A method for cooling a face of a nozzle having a nozzle body that defines a cavity includes flowing a fuel through the cavity and inserting a plenum through the nozzle body into the cavity. The method further includes flowing a fluid through the plenum so that the fluid impinges on the face of the nozzle to remove heat.

Abstract: An ultrasonic waterjet apparatus has a mobile generator module and a high-pressure water hose for delivering high-pressure water from the mobile generator module to a hand-held gun with a trigger and an ultrasonic nozzle. An ultrasonic generator transmits high-frequency electrical pulses to a piezoelectric or magnetostrictive transducer which vibrates to modulate a high-pressure waterjet flowing through the nozzle. The waterjet exiting the ultrasonic nozzle is pulsed into mini slugs of water. The ultrasonic waterjet apparatus may be used to cut and de-burr materials, to clean and de-coat surfaces, and to break rocks. The ultrasonic waterjet apparatus performs these tasks with much greater efficiency than conventional continuous-flow waterjet systems because of the repetitive waterhammer effect. A nozzle with multiple exit orifices or a rotating nozzle may be provided in lieu of a nozzle with a single exit orifice to render cleaning and de-coating large surfaces more efficient.

Abstract: A system for injecting from an injector into a duct of an engine system is provided. The system may include a first flange on a duct connection side, a second flange on an injector connection side, a stand-off separating the first flange from the second flange to form an air gap therebetween, and a seal offset from at least one of the first and the second flanges and located within the airgap and between the first flange and the second flange.

Abstract: A fuel nozzle is provided. The fuel nozzle includes a heat shield, a fuel tube and a plurality of support members. The support members are radially interposed between the heat shield and the fuel tube. The support members are preferably cylindrical tubes, thus creating voids or pockets between the heat shield and the fuel tube. The cylindrical tubes are connected to one another at a first end are free at an opposed end. As such, the tubes can move or slide relative to one another. Further, the tubes preferably only contact one another with at most line contacts. The fuel nozzle may also include a tip portion that includes a tip heat shield that extends radially outward from the primary heat shield. The tip heat shield defines a cavity that connects with the central cavity of the heat shield. The fuel tube extends through the tip heat shield.

Abstract: An apparatus for injecting gas into a vessel is disclosed. The apparatus comprises a gas flow duct from which to discharge gas from the duct, an elongate central structure extending within the gas flow duct from its rear end to its forward end, and a plurality of flow directing vanes disposed about the central structure adjacent the forward end of the duct. The forward end of the central structure and the vanes are water cooled by separate supply passages.

Abstract: A burner comprising channels for the separate supply of a liquid fuel and an oxygen-containing gas. The burner comprises a twin-fluid atomizer head comprising first flow-through passages fluidly connected to the supply channel for oxygen-containing gas and second flow-through passages fluidly connected to the fuel supply channel. The second flow-through passages exit into the first flow-through passages at a point before the first flow-through passages exit into a coaxial ring of orifices. A cooling jacket envelopes the supply channel walls. The orifices run through the atomizer head at a distance from the cooling jacket. The atomizer head can, for example, be made of a first metal, such as a copper alloy, and the cooling jacket can be made of a second metal with a lower thermal conductivity than the first metal, for example steel.

Abstract: A regeneration device for use in an exhaust treatment system is disclosed. The regeneration device has a first housing with a plurality of passages configured to receive coolant and injection fluid. A second housing is secured to the first housing and configured to receive coolant and injection fluid. The second housing has at least one cooling recess annularly disposed within the second housing to receive and circulate coolant in proximity to a tip end of the second housing.

Abstract: A turbomachine includes a fluid cooled injection nozzle assembly. The fluid cooled injection nozzle assembly includes an inner conduit portion that includes a body portion having first end portion to a tip end portion. The body portion includes an outer surface and an inner surface. A cooling element extends through the inner conduit portion. The cooling element includes a body element having a first end section that extends to a second end section. The body element includes an outer surface and an inner surface that defines a cooling passage. The outer surface of the body element is spaced from the inner surface of the inner conduit portion to define a return channel. Fluid passing through the cooling passage impinges upon and convectively cools the tip end portion, enters the return channel and is directed out from the nozzle member.

Abstract: According to various embodiments, a system includes a gasification fuel injector. The gasification fuel injector includes a tip portion, an annular coolant chamber disposed in the tip portion, and a first structural support extending through the annular coolant chamber. The first structural support divides the annular coolant chamber into a first passage and a second passage.

Abstract: Methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce emissions from an engine exhaust. The present teachings can use a whirl plate having a plurality of whirl slots surrounding an exit orifice of an injector, which produce a high velocity rotating flow in the whirl chamber. When the rotating flow of reagent is passed through the exit orifice into an exhaust stream, atomization occurs from a combination of centrifugal force and shearing of the reagent by air as it jets into the exhaust stream.

Abstract: An electrostatic atomizer includes an atomizing electrode to which a high voltage is applied to atomize water held on the atomizing electrode so as to generate charged water particles; and a cooling unit for producing water, to be supplied to the atomizing electrode, through condensation. The cooling unit is made using a cooling part of a cooling cycle which circulates a coolant between a heat-radiating part and the cooling part. A coolant-circulating equipment incorporating the electrostatic atomizer therein includes a condensation space in which the atomizing electrode is disposed to produce condensate water; a cooling space in which the cooling section of the cooling cycle is disposed to produce cold air; and a partition wall for separating the condensation space from the cooling space.

Abstract: A burner comprises a body, a nozzle, and at least one attachment element for removably attaching the nozzle to the body. The body defines an oxidant inlet, a feedstock inlet, a body outlet, and one or more passages for conveying the oxidant from the oxidant inlet to the body outlet and for conveying the gasification feedstock from the feedstock inlet to the body outlet. The nozzle defines a nozzle inlet and a nozzle outlet, wherein the nozzle inlet is configured to receive the oxidant and the gasification feedstock from the body outlet and the nozzle outlet is configured to discharge the oxidant and the gasification feedstock into the reaction chamber. The at least one attachment element removably attaches the nozzle to the body such that the nozzle inlet is in fluid flow communication with the body outlet when the nozzle is attached to the body.

Abstract: A panel for use in a gas turbine engine exhaust case is disclosed. The panel has an airfoil section and a flow diverting structure adjacent a leading edge, wherein the flow diverting structure directs fluid flow into an area of the airfoil that lacks sufficient internal pressure for cooling fluid flow.

Abstract: A nozzle includes a nozzle body and a cavity defined at least in part by the nozzle body. A plenum extends through the nozzle body into the cavity. At least one passage through the plenum provides fluid communication between the plenum and the cavity. Orifices through the nozzle body and circumferentially spaced around the nozzle body provide fluid communication through the nozzle body. A method for cooling a face of a nozzle having a nozzle body that defines a cavity includes flowing a fuel through the cavity and inserting a plenum through the nozzle body into the cavity. The method further includes flowing a fluid through the plenum so that the fluid impinges on the face of the nozzle to remove heat.

Abstract: The present invention provides a cooling structure of a fuel injection valve that can cope with the high load operation of the engine by efficiently transferring heat from a nozzle to a cylinder head, thereby improving the cooling efficiency of the injection valve including the nozzle valve. In the cooling structure, fuel is injected through an injection hole by opening and closing of the needle valve 2 that is reciprocatably fit inside the nozzle and removably attached to a seating portion of the nozzle at a tip. The cooling structure comprises a metal ring member 10 which is interposed between an outer circumferential face of the nozzle nut 3 and an inner circumferential face of the outer sleeve 6 so as to transfer heat from the nozzle 1 to the cylinder head 110 via the nozzle nut 3 and the outer sleeve 6.

Abstract: A shower plate (300) comprises a first flat plate (301), a second flat plate (302) and a third flat plate (303). Flow passages (303a) through which a heat medium flows are formed in the surface of the third flat plate (303) that faces the second flat plate (302). A lattice in which grids cross each other at approximately 90° is formed in the center area of the third flat plate (303), and the flow passages (303a) are bent at approximately 90° that is equal to the angle at which the grids cross each other. By bending the flow passages (303a) in such a manner, a large number of flow passages (303a) can be provided in particularly the center area heated to a high temperature, thereby satisfactorily cooling the shower plate.

Abstract: A thermal load control assembly for a fuel injector includes a rail inlet port, a cooling inlet port and a fuel drain port. A leakage path channels leaked fuel originating from the rail inlet port to the fuel drain port. A cooling path channels fuel originating from the cooling inlet port to the fuel drain port. A fuel system using a thermal load control assembly includes a single fuel tank that supplies fuel to the rail inlet port and the cooling inlet port of a plurality of fuel injectors and collect fuel from the fuel drain port of the plurality of fuel injectors.