Abstract: An embodiment of the present invention discloses a vacuum drying apparatus, including a sealing chamber, a gas pressure adjusting device, and a support platform in the sealed chamber; wherein the air pressure adjusting device includes a main air pipe and a branch air pipe connected to the main air pipe, and the main air pipe is symmetrically disposed at a portion and a lower portion of the side surface of the sealed chamber. An embodiment of the present invention provides a vacuum drying apparatus employing the main air pipe up and down symmetrically disposed, which shortens the distance of air supply of the branch air pipe, reduces the pressure drop of the airflow, and stabilizes upper and lower air pressure, thereby stabilizing the product characteristics.

Abstract: A heat exchanger comprises a body having a passage through which fluid to be heat-exchanged passes, a heat transfer plate conducting heat exchange relative to the fluid to be heat-exchanged through the body. The heat transfer plate is provided with a plate body having a contact face that contacts an outer surface of the body, and a plurality of wall-shaped heat conductors being protruded from the contact face of the plate body and arranged inside the body. The body is provided with a plurality of slit-shaped holes into which the plurality of wall-shaped heat conductors are inserted and fitted at positions avoiding the passage, respectively, thereby to cause the heat conductors to be arranged inside the body. Each one heat conductor is formed smaller than a hole fitted to define a gap relative to said hole fitted.

Abstract: An apparatus and method for the application of labels to packaging employing the application of superheated steam or other fluids in an enclosed space at atmospheric pressure are presented. Such an apparatus and method will more effectively, efficiently and safely attach shrink labeling to consumer packaged goods (CPG) with enhanced time, water and energy savings.

Abstract: A system and method for the transfer of cryogenic fluid fuel includes a nozzle positionable with respect to fuel tank inlet, e.g., of an unmanned aerial vehicle (UAV), a seal to seal the area where the nozzle and inlet are connected, a collapsible and expandable bellows providing an isolation volume where the fluid is transferred from the nozzle into the inlet; a vacuum is provided in the volume to avoid accumulation of fuel or other species in the volume.

Abstract: A hydraulic circuit includes a pump in fluid communication with a reservoir containing a liquid to be pumped. The pump includes an inlet and an outlet. The hydraulic circuit also includes a venturi pump in fluid communication with the reservoir and with the outlet of the pump, and an injection valve including a cooling feature. The injection valve is in fluid communication with the outlet of the pump, and is configured to dispense liquid supplied to the injection valve by the pump. The cooling feature is in fluid communication with the venturi pump. The pump is configured to produce a first flow of liquid, and the hydraulic circuit is configured to supply a first portion of the first flow of liquid to the injection valve for dispensing by the injection valve and a second portion of the first flow of liquid to the venturi pump.

Abstract: A method for controlling an exhaust after-treatment system connected to a diesel engine via a gas passage and having a diesel oxidation catalyst (DOC) and a “diesel-exhaust-fluid” (DEF) injector arranged downstream of the DOC and upstream of a selective catalytic reduction catalyst (SCR) includes detecting a flow of exhaust gas emitted by the engine into the gas passage. The method also includes detecting a level of nitrogen oxides (NOx) in the exhaust gas downstream of the SCR. The method additionally includes activating the DEF injector for a period of time to reduce the level of NOx to a predetermined NOx value. Furthermore, the method includes regulating an injection of fuel upstream of the DOC to clean the DEF injector via a stream of superheated exhaust gas if the period of time used to reduce the level of NOx to the predetermined NOx value is greater than a predetermined threshold value.

Abstract: A hot-runner mold gate structure includes a body having a path, and a room is defined in one end of the path. A guide member is inserted in a bushing, and both of which are located in the room. A locking member is connected to the room and has a reception area in one end of the locking member. The guide member has an axial guide slot and a guide hole. The guide member has a tip which protrudes through an outlet in the distal end of the bushing. Melted PET passes through the guide hole, the guide slot and the gap between the tip and the inside of the outlet to enter into the mold set. The contact area between the locking member and the bushing is minimized to maintain a certain temperature at the outlet of the bushing to avoid the PET from being cooled.

Abstract: A heating apparatus for a nozzle of an injection machine includes a helical-spring shaped heating portion, a first sleeve, and a second sleeve. The first sleeve includes a first blocking portion and forms internal threads. The second sleeve includes a second blocking portion and forms external threads. The heating portion is received in the second sleeve. The internal threads are screwed into the external threads. The first blocking portion and the second blocking portion sandwich the heating portion.

Abstract: A fuel injector wherein a cylindrical surface supports an electrical heating structure covering 360° or almost 360° of the surface for heating fuel. The structure comprises a first dielectric layer adhered to the surface; a thick film resistance heating element; a second dielectric layer; spaced-apart first and second conductor pads, wherein the first conductor pad is disposed in contact with a dielectric layer and a first end of the heating element, and wherein the second conductor pad is disposed in contact with a dielectric layer and a second end of the heating element. Another dielectric layer may be disposed over the preceding layers and the first and second conductor pads and having first and second windows formed therein for access to the first and second conductor pads. The resistance heating element may selectively be trimmed by overprinting in a pattern one or more times to improve the uniformity of heating.

Abstract: A device for the aftertreatment of an exhaust gas of an internal combustion engine flowing through an exhaust line includes at least one dosing unit disposed in an opening of an exhaust pipe of the exhaust line and configured to add an exhaust-gas aftertreatment agent into the exhaust line. The dosing unit is enclosed by a cooling jacket, through which the dosing unit is fastened in the opening of the exhaust pipe. The cooling jacket is at least partially enclosed by a space or chamber delimited at least by the cooling jacket, the exhaust pipe, and a cover plate. The cover plate is connected to the exhaust pipe and spaced apart from the cooling jacket or the dosing unit by a gap. A motor vehicle having the device is also provided.

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: The invention relates to a dosing module (10) for metering a reducing agent into an exhaust system of an internal combustion engine. Said dosing module (10) comprises at least one cooling member (22, 24) through which a cooling fluid flows that is used to cool the internal combustion engine. An electric contact (20) is located in the top region of the dosing module (10). The dosing module (10) is enclosed in a full housing (38) that comprises an upper and a lower cooling member (22, 24, 24) through which a directed cooling fluid stream (34) flows that runs from the valve tip region (18) in the direction of the electric contact (20).

Abstract: An improved rotary disc atomizer for use in, for example, spray dryers or congealers is disclosed. The rotary disc may be directly mounted to the shaft of a high-speed electrical motor. The high-speed electrical motor comprises a permanent magnet rotor and electro-magnetic bearings. The electro-magnetic bearings may be supported by one or more upper/lower bearing housings and used to enable frictionless support of the shaft/rotor and rotary disc. The atomizer system may further comprise a gas distributor enabled to dynamically adjust the velocity at which the gas leaves the radial vanes and meets with the atomized droplets.

Abstract: A pressure resistant drop tip nozzle assembly for an injection molding machine having a nozzle body with a nozzle passage extending axially through said nozzle body between a nozzle inlet and a nozzle outlet. The assembly includes a drop tip which has a body connected to the nozzle outlet of said nozzle body. The drop tip has a drop tip bore extending between a drop inlet located adjacent said nozzle outlet body and a drop outlet. A tapered drop passage located at said drop outlet defines a resin flow aperture where resin leaves said drop tip. An internal heating insert is positioned within said drop tip bore. The drop tip body is connected to the nozzle body via a mechanical connection such as screw threads. A reinforcing weld preferably via a continuous laser weld is provided between said drop tip body and said nozzle body.

Abstract: A fuel injector for an engine is disclosed. The fuel injector may have a fuel nozzle with at least one injection orifice, and a needle element movable within the fuel nozzle between a first position at which the needle element inhibits fuel flow and a second position at which fuel flow is substantially uninhibited. The fuel injector may also have a control chamber located at a base end of the needle element, a body, and a control valve disposed within the body and movable to selectively drain the control chamber, thereby causing the needle element to move between the first and second positions. The fuel injector may further have an armature disposed within an armature cavity of the body and selectively energized to move the control valve, and a pressure reducer disposed within the body and configured to reduce a pressure of the armature cavity.

Abstract: A heated fuel injector for supplying fuel to a fuel consuming device includes a fuel inlet for receiving fuel, a fuel outlet for dispensing fuel from the fuel injector, and a fuel injector body extending along an axis and fluidly connecting the fuel inlet to the fuel outlet such that fuel flows within the injector body. A cylindrical heating element radially surrounds the fuel injector body and operates to heat fuel flowing through the fuel injector body. An annular space is defined between the heating element and the fuel injector body sufficiently large to accommodate thermally caused radial differential expansion between the fuel injector body and the heating element. A conductive material fills the annular space and has a melting point sufficiently low to be a liquid as the heating element operates to thereby substantially prevent transfer of mechanical stress to the heating element due to the radial differential expansion.

Abstract: It is the object of the present invention to improve as to how heat is introduced into the tip of an injection molding nozzle. To this end, the invention provides an injection molding nozzle comprising a material pipe that forms a flow channel with an inlet opening and an outlet opening, as well as a heating device that is thermally coupled to the material pipe, and the material pipe includes two pipe sections that are connected to each other at a coupling location, and wherein the inlet opening is disposed on the first pipe section and the outlet opening is disposed on the second pipe section, and wherein the second pipe section is made of a material of higher thermal conductivity than the first pipe section.

Abstract: A combined showerhead and tankless water heater. A control panel permits a user to adjust the temperature level of the water that is heated. In one embodiment, the water flowing through the tankless water heater portion can be heated up about an additional eighteen (18) degrees.

Abstract: A heatable injector for fuel injection in an internal combustion engine, the injector having an injector housing, a fuel space which is situated inside the injector housing, an adjustable injector needle which is arranged in the injector housing for opening and closing a fuel discharge opening of the injector housing, and a heating device which is arranged inside the injector housing with a heating element for heating the fuel which is situated in the fuel space. The heating element is configured as a coating of a boundary face of the injector with respect to its fuel space, the coating being composed of a carbon nanoparticle material.

Abstract: An apparatus for use with radical sources for supplying radicals during semiconductor processing operations is provided. The apparatus may include a stack of plates or components that form a faceplate assembly. The faceplate assembly may include a radical diffuser plate, a precursor delivery plate, and a thermal isolator interposed between the radical diffuser plate and the precursor delivery plate. The faceplate assembly may have a pattern of radical through-holes with centerlines substantially perpendicular to the radical diffuser plate. The thermal isolator may be configured to regulate heat flow between the radical diffuser plate and the precursor delivery plate.

Abstract: The object of the present invention is to provide a cold spray method in which spray efficiency is improved by using a device comprising a similar construction to the conventional ones with minor change in conditions. The cold spray method employs the nozzle for cold spray system which comprises a convergent shape part, a throat part and a conical divergent shape part widened forward from the throat part used for making the raw material powder introduce from an inlet of the nozzle, which is located in the convergent shape part, into and shoot as a supersonic flow by using a working gas having temperature equal to or lower than a melting point of the raw material powder from a spout provided at the tip of the divergent shape part, wherein the convergent shape part is composed of a preheating region and a convergent region.

Abstract: Method for preventing carbon build-up on fuel spray guiding surfaces proximate a nozzle of a fuel injector. Liquid fuel handling surfaces of the fuel injector can remain cool while providing very hot surfaces to burn off carbon particles before carbon deposits can build up and change the spray characteristics. In the method, a spray guiding structure guides the fuel spray after exiting from the fuel injector and a deflector member is arranged around the injector body. The spray guiding structure is thermally insulated from the fuel injector, and this thermal insulation enables the spray guiding structure to be heated to a temperature above about 900° F. to prevent build up of carbon thereon.

Abstract: Apparatus producing superheated water and/or steam for weed (36) killing, etc. has diesel fired boiler (30), which, via pump (32), generates hot water at a pressure of 40-52 bar and temperature of 90-115° C. This passes down tube (12) and encounters the constriction provided by nozzle (14). Passing through nozzle (14) into depressurization chamber (16), which is at atmospheric pressure, the water boils. When the super heated water exits ports (20) of distribution pipe (18) it encounters ambient temperature and is transformed into high temperature water vapor and/or water droplets. The apparatus controls or kill weeds (36) using a smaller volume of water and less energy.

Abstract: Embodiments provide a gas distribution arrangement, a device for handling a chemical reaction comprising such a gas distribution arrangement and a method of providing a chemical reaction chamber with a gas. The distribution arrangement comprises a distribution plate for separating a chemical reaction chamber from a gas inlet area and having a first side arranged to face the chemical reaction chamber and a second side arranged to face the gas inlet area and comprising a set of through holes stretching between the first and the second side, where the first side of the plate comprises a first material surrounding the holes and having a first thermal conductivity, and the plate also comprises a second material forming a base structure also surrounding the holes and having a second thermal conductivity.

Abstract: A gas shower device having gas curtain comprises a first gas shower unit for injecting a reaction gas, thereby forming a reaction gas region, and a second gas shower unit. The second gas shower unit arranged around a periphery of the first gas shower unit comprises a buffer gas chamber for providing a buffer gas, and a curtain distribution plate. The curtain distribution plate further comprises a plurality through holes for injecting the buffer gas, thereby forming a gas curtain around a periphery of the reaction gas region. In another embodiment, an apparatus for depositing film is provided by utilizing the gas shower device having gas curtain, wherein the gas curtain prevents the reaction gas in the reaction gas region from being affected directly by a vacuum pressure so that a residence time of reaction gas can be extended thereby increasing the utilization of reaction gas and film-forming efficiency.

Abstract: A nozzle for the supply of biological material, in particular tissue cells, having a mixing chamber (11) which is delimited by a proximal end surface (21) and a distal end surface (22) spaced apart from the proximal end surface (21), at least one nozzle opening (23) which is formed in the distal end surface (22), and at least two supply ducts (30, 40, 50) which discharge into the mixing chamber (11). A first supply duct (30) is arranged in the proximal end surface (21) and discharges into the mixing chamber (11) coaxially to the nozzle opening (23) and a second supply duct (40) has an inlet opening (42) which discharges into the mixing chamber (11) laterally, in particular tangentially at the distal end surface (22).

Abstract: A fuel injector wherein a cylindrical surface supports an electrical heating structure covering 360° or almost 360° of the surface for heating fuel. The structure comprises a first dielectric layer adhered to the surface; a thick film resistance heating element; a second dielectric layer; spaced-apart first and second conductor pads, wherein the first conductor pad is disposed in contact with a dielectric layer and a first end of the heating element, and wherein the second conductor pad is disposed in contact with a dielectric layer and a second end of the heating element. Another dielectric layer may be disposed over the preceding layers and the first and second conductor pads and having first and second windows formed therein for access to the first and second conductor pads. The resistance heating element may selectively be trimmed by overprinting in a pattern one or more times to improve the uniformity of heating.

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 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 shower head is configured to receive a first fluid conduit and a second fluid conduit, where the shower head includes a mixer valve within a portion thereof that is configured to receive a first fluid from the first fluid conduit and a second fluid from the second fluid conduit and to output the first fluid or the second fluid or a blend the first and second fluids to a shower head outlet.

Abstract: An electrostatic atomization device (A) for increasing hydrophilicity of collected matter (15) that has low hydrophilicity and is attached to a surface of a processing subject (1). The device includes an atomization electrode (6), which generates electrostatically charged atomized water droplets to increase the hydrophilicity, a water supply member (8), which supplies water to the atomization electrode (6), and a voltage application member (9), which applies voltage to the water supplied to the atomization electrode (6).

Abstract: The present invention provides a fuel injector for an internal combustion engine. The fuel injector comprises a housing with an injector stem positioned inside the housing such that the injector stem comprises lower and upper portions. A first fluid chamber is located at the lower portion and a second fluid chamber is located at the upper portion with a seal positioned between the fuel chambers. A fuel duct is connected to the first fluid chamber and input and output ducts are connected to the second fluid chamber to allow fuel to fill and drain from the second fluid chamber. A first valve attached to the input duct and a second valve attached to the output duct are selectively actuable to open and close. The fuel injector further comprises a spring biasing the injector to a closed position, a heating element and a controller element.

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 of assembling a feed injector is provided. The method includes providing a feed injector tip that includes an inlet, a tip end, a flow passage that extends longitudinally through the feed injector tip from the inlet to the tip end, an annular cooling channel that substantially circumscribes the flow passage, and a buffer region that separates the annular cooling channel from the flow passage. The method further includes coupling the feed injector tip to the feed injector to enable a fluid to be channeled through the flow passage, such that the fluid flows past the inlet, at which the buffer region has a first width, before flowing past the tip end, at which the buffer region has a second width, the first width wider than the second width, and coupling a cooling assembly to the feed injector to enable a flow of cooling fluid to be channeled into the annular cooling channel.

Abstract: A heated fuel injector system and controller that includes a temperature sensing means to provide closed-loop control of a heating element heating fuel dispensed by a heated fuel injector. Closed-loop control provides more accurate temperature control of the heating element so that fuel heating is provided as quickly as possible while also protecting the fuel from being boiled and protecting the heated fuel injector from being damaged by excessive temperature. By monitoring how the signal from the temperature sensing means varies over time, fault conditions such as a lack of fuel flow, and fuel ethanol percentage may be detected.

Abstract: Various fuel injection systems and fuel injectors are disclosed that provide varying cooling rates for fuel injectors connected in series to fuel supply and drain rail. The local cooling rate for each injector is manipulated to balance the heat flux or heat transfer across the injectors disposed along the rail. The cooling rates may be manipulated by varying sizes of openings or slots in the nozzle case, by varying annular spaces disposed between the nozzle case and the portion of the injector body that houses the actuator and solenoid assembly, and by varying the size of annular spaces disposed between the nozzle case and the cylinder head. Strategic placement of slots in the nozzle case that direct more flow at the portion of the injector body that houses the actuator and solenoid assembly may also be employed. As a result, the operating temperatures of fuel injectors connected in series to a fuel rail can be manipulated and moderated so the downstream injectors are not prone to overheating.

Abstract: Liquid precursor material of a coating substance and a solvent is provided in a reservoir (STEP1, STEP1?). In one variant the liquid precursor material is distilled (STEP2), the resultant liquid coating substance is vaporized (STEP3) and ejected through a vapour distribution nozzle arrangement (7) into a vacuum recipient (3) and onto substrate 5 to be coated. Alternatively, the liquid precursor material is directly vaporized (STEP3?). From the two-component vapour coating substance vapour is applied to substrate 5? to be coated. In this variant separation of solvent vapour and coating substance vapour is performed especially downstream vaporizing (STEP2?).

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: A fuel injector including a nozzle portion, a solenoid operated valve assembly configured to control a flow of fuel to the nozzle portion, a housing, at least a portion of the solenoid operated valve assembly disposed in the housing, the housing formed of a first material having a first thermal conductivity value, and a heat transfer element associated with the solenoid operated valve assembly, the heat transfer element attached to the housing, the heat transfer element formed of a second material having a second thermal conductivity value, the second thermal conductivity value being greater than the first thermal conductivity value.

Abstract: A method of assembling a feed injector is provided. The method includes providing a feed injector tip that includes an inlet, a tip end, a flow passage that extends longitudinally through the feed injector tip from the inlet to the tip end, an annular cooling channel that substantially circumscribes the flow passage, and a buffer region that separates the annular cooling channel from the flow passage. The method further includes coupling the feed injector tip to the feed injector to enable a fluid to be channeled through the flow passage, such that the fluid flows past the inlet, at which the buffer region has a first width, before flowing past the tip end, at which the buffer region has a second width, the first width wider than the second width, and coupling a cooling assembly to the feed injector to enable a flow of cooling fluid to be channeled into the annular cooling channel.

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: In a fuel injection device and method for injecting hydrocarbon fuel into a fuel reformer, the temperature of the fuel injection device is regulated by simultaneously heating the fuel and cooling the fuel injection device.

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: Disclosed is an electrostatic atomizer, which comprises a cooler adapted to cool an atomizing electrode so as to allow moisture in air to be frozen onto the atomizing electrode, a melter adapted to melt ice frozen on the atomizing electrode so as to supply water onto the atomizing electrode, a high-voltage applying section adapted to apply a high voltage to the atomizing electrode, and a control section adapted to activate the high-voltage applying section in a state after supplying water onto the atomizing electrode by melting the ice frozen thereon, so as to apply a high voltage to the atomizing electrode to electrostatically atomize the water supplied on the atomizing electrode.

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 monolithic fuel injection head for a fuel nozzle includes a substantially hollow vesicle body formed with an upstream end face, a downstream end face and a peripheral wall extending therebetween, an internal baffle plate extending radially outwardly from a downstream end of the bore, terminating short of the peripheral wall, thereby defining upstream and downstream fuel plenums in the vesicle body, in fluid communication by way of a radial gap between the baffle plate and the peripheral wall. A plurality of integral pre-mix tubes extend axially through the upstream and downstream fuel plenums in the vesicle body and through the baffle plate, with at least one fuel injection hole extending between each of the pre-mix tubes and the upstream fuel plenum, thereby enabling fuel in the upstream plenum to be injected into the plurality of pre-mix tubes. The fuel injection head is formed by direct metal laser sintering.

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: An SNCR distribution grid for introducing a NOx reducing reactant into a flue gas flow. The grid is made of one or more elements which are formed by fluid-cooled tubes to which membrane pieces are attached, preferably by welding, to form conduits in between the tubes. The fluid-cooled tubes may be cooled by water and/or steam and the distribution grid is disposed in the flue gas flow. To admit the reactant into the flue gas, nozzles are provided in the membrane and the reactant is conveyed from a location external of the furnace or combustor enclosure, into the conduits so formed, and thence out into the Flue gas flow via the nozzles.