Abstract: An application for a device for mixing chemicals into a flow of a liquid includes a mixing chamber and an input port at a first end of the mixing chamber. The input port has an input connection for accepting a flow of the liquid and a plurality of input port channels. The input port channels direct the flow of the liquid from the input connection to the mixing chamber at an angle with respect to an inner wall of the mixing chamber. Located close to the input port is a chemical input orifice for accepting a chemical into the mixing chamber. Located at a distal end of the mixing chamber is an output port that has an output connection for discharging a mixture of the liquid and the chemical and a plurality of output port channels. The output port channels direct a flow of the mixture angularly with respect to the inner wall of the mixing chamber to the output connection.

Abstract: An aqueous scream is pumped through a vortex cylinder. The aqueous stream is rotated in a downwardly moving spiral stream within the vortex cylinder at a high downward velocity. The downward velocity of the aqueous stream increases as it flows through a discharge conduit concentrically located within a mixing chamber of the vortex cylinder. An adjustable air inlet tube open to atmospheric pressure extends through the vortex chamber and into the discharge conduit. A negative pressure zone is created at the discharge end of the discharge conduit for drawing air into the aqueous stream for mixing therewith and dissolving oxygen in the aqueous solution.

Abstract: An atomization system for fuels, particularly for charging a chemical reformer for obtaining hydrogen, features at least one metering device, accommodated in a supporting device, for metering fuel into a temperature-adjusted substance stream, which introduces the fuel directly into the temperature-adjusted substance stream without the interpolation of a supply line.

Abstract: The present invention relates to an apparatus and a process for dissolving gas in a liquid is provided. The process comprises: tangentially introducing a liquid into a cylindrical chamber having a cylindrical inner wall with sufficient volume and pressure to develop a vortex in the flowing liquid; introducing gas into the flowing liquid during at least a portion of its travel along vessel, the gas being introduced orthogonally to the stream through means located at the chamber inner wall for developing gas bubbles within the liquid. The apparatus comprises: a cylindrical chamber having a cylindrical inner wall, the chamber being oriented in any direction enclosed at both ends and with an entry port to introduce liquid to develop a spiral flow of liquid along the chamber inner wall toward the output end, a porous wall to permit the introduction of gas orthogonally into the stream to develop gas bubbles within the stream, and an exit port to discharge the mixture of gas bubbles and liquid.

Abstract: A method for coating particles with a coating liquid including supplying airflow to fluidize the particles; mixing the coating liquid with a spray gas in a two-fluid spray nozzle to form a two-phase flow; and atomizing the two-phase flow with the spray gas to spray a mist of the coating liquid upon the particles. A coating device including a vessel; a fluidizing device configured to supply airflow to fluidize a powder in the vessel; and a spray nozzle configured to mix the coating liquid with a spray gas to form a two-phase flow, and to atomize the two-phase flow with the spray gas to spray a mist of the coating liquid. A particulate carrier for use in electrophotographic developer including particles of a core material and a cover layer thereon and prepared by the coating method mentioned above.

Abstract: A feed injector for use in a gasification apparatus comprising plural concentric tubes converging at an outlet tip, at least one interior tube of the plural concentric tubes having a plurality of static, helically-twisted mixing elements fixed to an exterior surface thereof.

Abstract: A spray nozzle for discharging at least one fluid in a spray pattern into a fluid stream in a vessel, such as an atomized mixture of oil and steam in a fluidic catalytic cracking unit, wherein the nozzle alters the flow patterns of the fluid stream in the vicinity of the nozzle to inhibit erosion of the nozzle and maintain the spray pattern. The nozzle comprises an inlet member defining at least one inlet conduit and an outlet member in fluid communication with the inlet member. The outlet member includes an exterior surface and a plurality of bosses angularly spaced relative to each other about an axis of the outlet, each boss defining an outlet aperture in fluid communication with the at least one inlet conduit having a length (L) and a diameter (D) and an axially extending wall, wherein the axially extending wall extends outwardly a length (X) greater than about 1/8 inch relative to the exterior surface and L/D is at least about 1/2.

Abstract: A nozzle (100) for air-assisted atomizing of a liquid fuel comprises a fuel feed passage (110) and an air feed passage (114) and a swirling chamber (118) from which fuel and air may be passed to an exit orifice (126) for emerging a cone shaped spray. An air bypass passage (122) is provided for leading a fraction of the air flow in the air feed passage (114) past the swirling chamber (118) and to an air exit (124) arranged such with respect to the exit orifice (126) that, during operation of the nozzle, air emerging through the air exit (124) reduces depositing of residues of fuel on a downstream surface (130, 132, 136) of the nozzle element (108). Grooves or other flow-guiding elements may confer swirling or rotation of air in or downstream of the air feed passage (114) and/or the air bypass passage (122).

Abstract: The invention relates to a burner with a burner head (1) and a gas feed pipe (2) that is located in the burner head (1) and that is surrounded by an ring channel (3) for feed of another gas. In the gas feed pipe (2) and in the ring channel (3), there are means (10, 11) for producing a swirl of the gas flowing through the gas feed pipe (2) and that flowing through the ring channel (3).

Abstract: The present invention relates to a device for injecting a liquid fuel into a pressurized air flow (7), in particular for a combustion chamber, comprising a hollow cylindrical body (10) of longitudinal axis (YY?) delimiting a substantially cylindrical central volume (11), fluid veins (12) substantially radial in relation to the longitudinal axis of body (10) and arranged on the periphery of said body to allow passage of said flow, and axial fuel injection pipes (5) arranged inside said fluid veins and connected to at least one fuel inlet (3) by at least one supply point (16). According to the invention, pipes (5) are pierced with openings (9) that open onto central volume (11) of said body (10) and which are oriented substantially in the direction of the flow in fluid veins (12).

Abstract: A modular fuel nozzle configuration is defined which permits lower-cost manufacturing operations such as injection moulding to be employed. Also described is a method of making such a component.

Abstract: A nozzle for a spray device comprising a mixing chamber (3) for a first fluid and a second fluid, said mixing chamber (3) having an exit orifice (24), an inlet feed (8) from an inner tubular passage (4) suitable for carrying the first fluid, and an inlet feed (5I) from an annular passage (5) surrounding the inner tubular passage (4) and suitable for carrying the second fluid, characterised in that the nozzle comprises a means for causing spiral flow around the inner tubular passage (4) of a fluid passing through the surrounding annular passage (5).

Abstract: A deflector at the downstream end of a fuel tube deflects incoming fuel into an annular fuel channel in a fuel swirler of an injector. The deflector prevents direct impact of the cooler fuel on the exposed walls of the swirler body. The deflector can be formed by a tab or other integral portion of the heatshield, or as a separate piece fixed to the heatshield or swirler body. The deflector minimizes disruption of flow through any flow slots that are covered by the deflector, and may have i) a relatively small circumferential extent, such that the deflector covers only a few flow slots, ii) flow openings or slots that allow a portion of the fuel to flow inwardly of the deflector into the otherwise covered flow slot(s), or iii) a space or gap between the side(s) of the deflector and the inner walls of the annular channel.

Abstract: An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and the spray orifice is etched through a second side to the center of the swirl chamber. Fuel feed slots extend non-radially to the swirl chamber. The injector also includes integral swirler structure. The swirler structure includes a cylindrical air swirler passage, also shaped by etching, through at least one other thin plate. The cylindrical air swirler passage is located in co-axial relation to the spray orifice of the plate of the fuel metering set such that fuel directed through the spray orifice passes through the air swirler passage and swirling air is imparted to the fuel such that the fuel has a swirling component of motion. At least one air feed slot is provided in fluid communication with the air swirler passage and extends in non-radial relation thereto.

Abstract: A swirl pressure nozzle with a nozzle body is proposed, in which an inner area is provided, which has a tapered section with a largest diameter and a smallest diameter. The nozzle has an inlet which leads into the section in an essentially tangential manner, which has a diameter, such that a fluid medium can be guided under pressure through this inlet in an essentially tangential manner into the tapered section of the inner area. The section has an axial length and at its end with the smallest diameter leads into an outlet of the nozzle, which has the same diameter as well as a length. The different parameters are in a ratio to each other, that lies in the following ranges: Dp/Do in the range from 0.42 to 1.56; Ds/Do in the range from 3 to 8; the angle of opening (alpha) of the tapered section greater than 60°; Lo/Do in the range from 0.2 to 1.5.

Abstract: A fuel injector for a gas turbine engine includes a bulkhead having adjacent angled wall segments, each of which includes an injector opening. Fuel injectors are supported by the bulkhead on adjacent wall segments. Each fuel injector includes an inlet fitting including ports for receiving fuel, a feed stem extending through the opening, and a manifold supported at the downstream end of the feed stem and including a plurality of manifold segments. Each manifold segment includes a plurality of nozzles arranged in a linear, planar array; with each nozzle including a fuel distribution assembly and an air swirler assembly. The manifold segments are supported at angles to one another, such that that the sprays from one array of nozzles in one segment are provided in a different direction than the sprays from another array of nozzles in an adjacent manifold segment.

Abstract: Burner (1) comprising a head (2) with two groups of holes (4?, 4?) for the passage of fuel and comburent arranged in circles concentric to the burner axis, in which the various groups (5) of holes are separated by circular sectors without holes and the axes of the holes are oblique compared with the burner axis (X) to create special forms of flame.

Abstract: In an atomizer device for the production of a liquid-gas mixture (4), the mixture (4) is introduced, particularly for compression, into a nozzle arrangement (3) in which the kinetic energy of the mixture (4) is in large part converted into compression energy by a pressure rise of the air. The atomizer device (2) includes a central air feed (16) and a nozzle chamber (18) for the supply of liquid surrounding the air feed. At or in the atomizing device, means (17) are arranged in the nozzle chamber for producing a swirled liquid flow in the nozzle chamber (18), and the swirled liquid flow emerges via a nozzle aperture (19) surrounding the air feed.

Abstract: A dual component injector, especially for internal combustion engines, has a nozzle body, which has a nozzle outlet, and a valve needle for opening and closing the nozzle outlet. A first feed channel is used for supplying a first fluid to the nozzle outlet, and a second feed channel is used for supplying a second fluid to the nozzle outlet. Optionally, a fluid chamber, which is located in the nozzle body, is connected to the nozzle outlet. The second feed channel is connected to the fluid chamber or to the first feed channel via at least two bored holes. The bored holes open out in the fluid chamber or in the first feed channel in such a way that the second fluid produces a swirling flow pattern in the fluid chamber or in the first feed channel.

Abstract: An atomizer for difficult to disperse solutions such as sizing and paper coatings comprising three nozzles defining three channels respectively two of the nozzles comprising fluid-emitting nozzles and the third nozzle comprising a treatment-emitting nozzle. Alternatively, the atomizer comprises two channels respectively comprising a fluid-emitting nozzle and a treatment emitting nozzle.

Abstract: The invention relates to a device for atomizing a liquid, thereby forming a hollow cone of liquid, comprising a housing into which a first liquid product can be supplied, said housing comprising an outflow end and an insert piece with a guide end that interacts with the outflow end, thereby forming an annular outflow gap, wherein the housing is accommodated in the bottom of a hollow casing; and wherein apertures are present in the bottom, while a second medium can be supplied into the hollow casing, flow out of the apertures and interact with the hollow cone. The invention also relates to a spray drier, with a device according to the invention, to a device for conditioning a liquid product using the invention, and a method for conditioning a liquid product, using a device according to the invention.

Abstract: The present invention provides specific design dimensions for a sprayer plate flow restrictor orifices of a fuel oil atomizer, and the resulting arrangement of the atomized liquid spray pattern. Specific depth to diameter ratios of the sprayer plate restrictor orifices and specific dimensions of the chamfer of the inlets to the restrictor orifices of the atomizer of the present invention provide improved performance results as compared to prior art atomizers, including reduced emissions and increased durability of atomizer components.

Abstract: A fuel nozzle with a ring of fuel spray orifices directing fuel jets at a fuel vortex generator having a fuel deflecting surface disposed downstream a distance from each fuel spray orifice. A mixing chamber is defined between the fuel spray orifices and the fuel deflecting surface having a surface contour oriented to deflect fuel jets into the mixing chamber in counter-rotating adjacent pairs of fuel laden vortices. An air inlet supplies air to the mixing chamber via an airflow vortex generator having an airflow deflecting surface with a surface contour oriented to deflect airflow into the mixing chamber in counter-rotating adjacent pairs of airflow vortices. A fuel-air mixture outlet downstream from the mixing chamber releases the fuel-air mixture into a combustor for ignition.

Abstract: An atomizing nozzle for a burner, especially for a vehicle heater has a flow guide element (16), which provides a flow guide surface (28) and which has an atomizing lip (36) in an end area (34). A fuel feed device (52, 50) is provided for feeding fuel to the flow guide surface (28) at a spaced location from the atomizing lip (36). Provisions are made for the fuel feed device (52, 50) in the flow guide element (16) to comprise a fuel release depression (50), into which opens a fuel feed channel device (52) in a junction area.

Abstract: A three-stream atomizing nozzle that has an air stream divider that separates the atomizing air from the source into three streams. The first stream is a straight air stream staying closest to and around the atomized water jet. The second stream is a swirl running around the first straight stream. The third stream is also a straight stream that wraps around the first straight stream and the second swirl. The nozzle also has a mixing chamber in which the three air streams are mixed together for the atomizing purpose. From the combination of the three air streams the nozzle can produce fine water droplets that are suitable for many uses and more importantly creates a tailorable water mass profile. The mass profile can be tailored into a shape that is close to a square shape which creates minimal coupling between adjacent zones.

Abstract: In an aspirating and dispensing/spraying device, a holder is screwed onto a tube, connected to a liquid supply line, in such a way that it is displaceable along the tube by rotation. The tube is surrounded at a distance by a coaxial sleeve, which is solidly anchored in the holder, having a discharge opening on its front end, which is conically narrowed, whose edge surrounds the front end of the tube, which carries a outlet opening, separated by a narrow annular gap from the tube. The sleeve carries a connecting piece laterally, to which a pressurized gas supply line is connected and which discharges eccentrically into the space between the sleeve and the tube, so that pressurized gas flowing in receives angular momentum. When the gas flows out of the annular gap, it mixes intensively with the liquid coming out of the outlet opening and forms a discharge cone made of a fine, symmetrical aerosol with the liquid.

Abstract: An improved liquid fuel injector (10) for burners of gas turbines, of the type comprising a tube (16) which supplies the liquid fuel to an injector head (12), an external tube (24) being provided around the tube (16) to form an annular cavity (26) where pressurized air is supplied, and a covering element (28) being provided around the head (12) to form a cavity (32); a turbulence element (18) comprising blading (22) is provided before the head (12).

Abstract: This invention provides a liquid atomizing nozzle which utilizes a swirling flow of gas to form a liquid film in as uniform thickness as possible in a circumferential direction, and in which blockages are difficult to develop, and which can facilitate atomization by further reducing the size of the droplets which disperse from the front end. A liquid injected into an annular space 7 through liquid passages 14 formed in an outer cylinder 2 in an incline to the radial direction, flows within the annular space 7 having a component swirling in the circumferential direction. Air which flows into the annular space 7 through air passages 10 formed inclined in the same direction as the liquid passages in the outer cylinder 2, develops a swirling flow Ac within the annular space 7, acts upon the injected liquid to spread it onto an inner wall 5 of the outer cylinder 2, and further improving the uniformity of the thickness of the liquid film in a circumferential direction.

Abstract: The present invention relates to a device for injecting a liquid fuel into a pressurized air flow (7), in particular for a combustion chamber, comprising a hollow cylindrical body (10) of longitudinal axis (YY′) delimiting a substantially cylindrical central volume (11), fluid veins (12) substantially radial in relation to the longitudinal axis of body (10) and arranged on the periphery of said body to allow passage of said flow, and axial fuel injection pipes (5) arranged inside said fluid veins and connected to at least one fuel inlet (3) by at least one supply point (16). According to the invention, pipes (5) are pierced with openings (9) that open onto central volume (11) of said body (10) and which are oriented substantially in the direction of the flow in fluid veins (12).

Abstract: As with most burners and combustors, they utilize fuel and air mixtures. One of the important aspects of burning an air-fuel mixture is that of mixing. Ideally, the fuel should be uniformly distributed throughout the air when ignited. This results in the most complete burn, maximizing beat generation while minimizing unburned and incomplete-combustion products. This disclosure describes an apparatus for enhancing mixing of fuel and air. Combustion air is given a prerotation by passing it through a set of fins before the fuel is injected into the air. Then the mixture is passed through another set of fins, rotating the mixture in a direction opposite that which the air experienced, first.

Abstract: An atomizer including a fuel output portion shaped to provide a fuel output and an air swirler portion shaped to direct streams of air at the fuel. The air swirler portion includes an outer opening and an inner opening located radially inwardly relative to the outer opening. The inner and outer openings are arranged such that an air stream passed through the inner opening does not intersect a conical section defined by an air stream passed through the outer opening unless both of said air streams are moving at least partially radially outwardly.

Abstract: A burner for operating a heat generator, includes a swirl generator (100) for a combustion air flow (115) means for injecting at least one fuel into the combustion air flow. A mixing section is arranged downstream of this swirl generator, which mixing section has, within a first section in the flow direction, a number of ducts in a transition piece (200) for the transfer of a flow formed in the swirl generator into a mixing tube (20) connected downstream of this transition piece. A combustion space (30) is arranged downstream of this mixing tube. The swirl generator (100) is integrated into an inlet flow cross section (10) which is essentially closed by the swirl generator, and is subjected to the combustion air flow (115).

Abstract: A liquid fuel injection nozzle to supply atomized droplets of fuel to a combustion chamber arrangement in a gas turbine engine combustion system. The fuel droplets leave the passage through its upper end defined by an annular sharp edge of a tubular electrode which can be electrostatically charged for the sharp edge to impart electrostatic charge to the fuel droplets as they pass the edge.

Abstract: A fuel injector for a gas turbine is disclosed which includes a nozzle body having a discharge portion defining a discharge orifice, the discharge portion including a fuel circuit for directing a hollow fuel film toward the discharge orifice from a fuel pump associated with the gas turbine, and an air assist circuit for directing pressurized air from a source external to the gas turbine toward the fuel film upstream from the discharge orifice to impinge on an inner surface of the fuel film issuing from the discharge orifice.

Abstract: This disclosure relates to a centrifugal vortex system for preparing a liquid, such as medicine, and includes a chamber housing defining a vortex chamber. An array of tangential apertures are formed in the chamber housing to permit fluid to be turbulently introduced into the vortex chamber to create a vortical flow of fluid through the vortex chamber. In one embodiment, a plurality of vortex chambers are arranged in series to allow the fluid to pass through several vortex chambers. In other embodiments, the chamber housing may be stepped, textured, or both to increase the turbulence of the flow through the chamber. This present invention may be used for nebulizing and vaporizing fluids, powders and liquids for inhalation by a patient.

Abstract: A nozzle for discharging finely atomized fluids comprises a vortex-mixing-module with a mixing chamber along with at least one liquid inlet tangentially communicating with the chamber and at least one gas inlet axially communicating with the liquid inlet prior to their injection into the mixing chamber, wherein the mixed fluid of liquid/gas from the liquid inlet is setting vortex flow, re-mixing with each other and forming bubble-laden fluid. An impingement member positioned at the downstream of a substantially concentric-mounted pintle stem of the module provides the function of metering flow and forming the spray angle while maintaining the flow distribution to be axial-symmetric in both mass and velocity plus forming a flow field with non-disturbed angular momentum.

Abstract: A spray gun for spraying of abrasive media includes a valve operable by a nozzle needle. The valve is arranged in a gun head and has a nozzle opening. The spray gun has an operating and return device for the nozzle needle. In order for the spray gun to be self-cleaning and to be able to process several components with abrasive material, the valve includes a nozzle channel, which ends in the nozzle opening. The nozzle needle is movably supported in the nozzle channel. At least one bore laterally enters the nozzle channel to supply the media. The bore can be closed off by the nozzle needle, which has an outer diameter almost equal to an inner diameter of the nozzle channel. The length of the nozzle needle in chosen so that when the nozzle needle is in a resting state, the needle extends at least to the nozzle opening of the spray gun.

Abstract: A fuel injector for a gas turbine engine of an aircraft has an inlet fitting, a fuel nozzle, and a housing stem with an internal conduit fluidly interconnecting the nozzle and fitting. The fuel nozzle includes a fuel swirler, which includes a plenum for receiving fuel from the conduit. A plurality of fuel passages direct fuel from the plenum to discharge orifices. The downstream ends of the passages are angled such that a swirl component is imparted to fuel exiting the discharge orifices. The swirling fuel is then applied to a prefilmer, which outwardly surrounds the fuel swirler. The passages in the fuel swirler are arranged such that the discharge orifices surround the entire nozzle for the even distribution of fuel. The plenum and passages are dimensioned and configured to receive and distribute the fuel for uniform spray patternization and low pressure drop, which provides improved combustion and flame stability.

Abstract: This invention provides a liquid atomizing nozzle which utilizes a swirling flow of gas to form a liquid film in as uniform thickness as possible in a circumferential direction, and in which blockages are difficult to develop, and which can facilitate atomization by further reducing the size of the droplets which disperse from the front end. A liquid injected into an annular space 7 through liquid passages 14 formed in an outer cylinder 2 in an incline to the radial direction, flows within the annular space 7 having a component swirling in the circumferential direction. Air which flows into the annular space 7 through air passages 10 formed inclined in the same direction as the liquid passages in the outer cylinder 2, develops a swirling flow Ac within the annular space 7, acts upon the injected liquid to spread it onto an inner wall 5 of the outer cylinder 2, and further improving the uniformity of the thickness of the liquid film in a circumferential direction.

Abstract: A nozzle for a gas turbine engine that includes an air circuit, a water circuit, and a swirler that facilitate reducing erosion within the nozzle is described. The air circuit is formed by a first conduit that extends along the nozzle. The water circuit is formed by a second conduit that also extends along the nozzle and is radially inward from the first conduit. Each circuit is in flow communication with a discharge opening. An air swirler adjacent the discharge opening discharges air into water spray exiting the water circuit to facilitate evaporating the water to lower engine operating temperatures.

Abstract: This invention relates to a burner and a method of combustion for producing a flame jet sheet or sheets for various applications in industrial furnaces. The burner has at least one linear or curvilinear flame nozzle having a ratio of width to height of greater than unity in order to produce high velocity and high temperature flame jet sheet or sheets with a well defined geometry. The burner is capable of being scaled to various sizes for various industrial furnace applications due to its geometry.

Abstract: A fuel injector is provided which includes a director, such as a ball, mounted downstream of the fuel injection port. When the valve is actuated, fuel exits the injection port. Fuel adheres to the ball until it reaches the equator of the ball. At the equator, the fuel begins to separate from the ball and forms a sheeted, cone-shaped configuration. When used with poppet valve injectors, the present invention preferably includes a wall manifold above the ball. Air from an air source, such as from the engine vacuum is introduced through the wall. Air travels through an air distribution chamber at a ninety degree angle to the direction of fuel flow. The air stream is directed to the ball's equator. This blast of air causes the fuel to atomize to a droplet size in the range of 3 to 6 microns SMD. When the invention is used with solenoid actuated fuel injectors, a ball is mounted downstream of the director plate. In this case, an air housing carries air from an air source to an air blast chamber.

Abstract: A swirl cup for a gas turbine engine combustor includes a tubular body having an inlet at one end for receiving a fuel injection nozzle, an outlet at an opposite end for discharging the fuel, and an annular septum therebetween. A row of first swirl vanes is attached to the septum adjacent the body inlet, and a row of second swirl vanes is attached to the septum adjacent the first swirl vanes and spaced upstream from the body outlet. Air from the first and second swirl vanes is swirled directly around the injected fuel without a flow barrier or venturi therebetween.

Abstract: An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and the spray orifice is etched through a second side to the center of the swirl chamber. Fuel feed slots extend non-radially to the swirl chamber. The injector also includes integral swirler structure. The swirler structure includes a cylindrical air swirler passage, also shaped by etching, through at least one other thin plate. The cylindrical air swirler passage is located in co-axial relation to the spray orifice of the plate of the fuel metering set such that fuel directed through the spray orifice passes through the air swirler passage and swirling air is imparted to the fuel such that the fuel has a swirling component of motion. At least one air feed slot is provided in fluid communication with the air swirler passage and extends in non-radial relation thereto.

Abstract: Swirling-flow burner with a burner tube comprising a central oxidiser supply tube and an outer concentric fuel supply tube, the oxidiser supply tube being provided with a concentric cylindrical guide body having static swirler blades and a central concentric cylindrical bore, the swirler blades extending from outer surface of the guide body to inner surface of oxidiser supply tube being concentrically arranged within space between the guide body and inner wall at lower portion of the oxidiser supply tube.

Abstract: Apparatus for mixing together two fluid streams comprises a first fluid conduit for carrying a first fluid stream between an inlet and an outlet, a venturi being provided in said first fluid conduit between said inlet and said outlet. The venturi comprises an upstream tapering portion which converges towards a reduced diameter throat and a downstream diffusing portion which diverges from the throat towards the outlet. The tapering portion, throat and diffusing portion are defined around a central axis. At least one mixing inlet having a discrete opening communicating with the throat of the venturi is provided for introducing a second fluid stream into the first fluid stream so that the two fluid streams mix as they flow through the venturi diffuser portion towards the outlet.

Abstract: A combustor dome assembly includes a spectacle plate having an opening formed therein that defines an inner circumferential edge, at least one swirler assembly defining an inner cylindrical surface, and at least one deflector having an outer cylindrical surface. These components are arranged such that the outer cylindrical surface is joined to the inner circumferential edge and to the inner cylindrical surface. One preferred method of manufacturing the combustor dome assembly includes placing a first ring of joining material over the outer cylindrical surface. Then, the outer cylindrical surface is inserted into the spectacle plate opening so that the first ring is sandwiched between a first surface of the spectacle plate and a shoulder formed on the deflector. A second ring of joining material is next placed over the outer cylindrical surface, and a third ring of joining material is inserted into an annular groove formed in the inner cylindrical surface.

Abstract: A mist assembly connected to an existing fan grill resulting in a cooling device that has an electrical fan member and a mist assembly featuring an atomizing nozzle. The mist assembly is operably associated with the fan member. The mist assembly has a pump member that draws water from a water source and pumps the water through the atomizing nozzle. The water mist emitted from the nozzle is uniformly dispersed as a fine mist within the airflow produced by the rotating fan blades and creates a cooling effect.

Abstract: An apparatus and method for contacting fluids in a fluid-solids contacting chamber is disclosed. The fluid-solid contacting chamber has a plurality of beds, and the chamber comprises a plurality of conduits and outlet ports that are capable of providing improved fluid distribution of fluids that are introduced above or between the beds. One or more conduits are arranged within a single conduit, which provides a compact and inexpensive assembly for conveying the fluids to each conduit's outlet port. In operation, the fluid flow to the outlet port of each conduit is regulated within that outlet port's most efficient operating range, and since the flows can regulated simply by hand, the method of this invention can be practiced readily. Catalytic condensation and other hydrocarbon process units that employ this invention will have increased on-stream efficiencies and realize significant economic benefits.

Abstract: A fuel injector for a gas turbine is disclosed which includes a nozzle body having a discharge portion defining a discharge orifice, the discharge portion including a fuel circuit for directing a hollow fuel film toward the discharge orifice from a fuel pump associated with the gas turbine, and an air assist circuit for directing pressurized air from a source external to the gas turbine toward the fuel film upstream from the discharge orifice to impinge on an inner surface of the fuel film issuing from the discharge orifice.