Abstract: A spray nozzle comprising a housing including a primary passage defining a primary axis, a series of secondary passages configured to provide swirl to a fluid passing therethrough circumferentially positioned around the housing, a series of standoffs circumferentially spread around an outer surface of the housing and located downstream along the primary axis of the series of swirling passages, wherein each of the swirling passages corresponds to a respective standoff of the series of standoffs, in order to control the swirl of the fluid.

Abstract: The present disclosure is directed to a screw compressor system having a compressor housing with a pair of screw rotors rotatably supported within a compression chamber. A lubricant port is in fluid communication with the compression chamber. A nozzle insert having a longitudinal body extending between a first end and a second end can be positioned within the lubricant port. A swirl chamber formed by the nozzle insert or tangential flow into an offset lubricant port is configured to generate an atomized lubricant flow and discharge the atomized lubricant into the compression chamber.

Abstract: A welding tip (20) for spot welding a first part (22) formed of conductive metal, for example aluminum, to a second part (24) formed of aluminum or another conductive metal, such as steel, is provided. The welding tip (20) includes a notch (30) at a distal end (38) and a convex contact surface (28) extending radially outwardly and upwardly from the notch (30) for engaging a surface of the first part (22). The rotating welding tip (20) forms a depression (32) on the surface of the first part (22) during the welding process. The notch (30) creates a pin (34) in the center of the depression (32) which provides a fixed axis of rotation for the rotating welding tip (20) and prevents the welding tip (20) from moving radially relative to the fixed axis, thereby improving the quality of the final spot weld (36) and reducing process time.

Abstract: A spiral-wound acid gas separation membrane element (1) includes a wound body including a separation membrane (2), a feed-side channel component (3), and a permeate-side channel component (4) wound in a laminated state around a core tube (5). The core tube (5) has a group of holes for allowing communication between a permeate-side spatial portion defined by the permeate-side channel component (4) and a spatial portion inside the core tube (5), the group of holes being present on an end side of the core tube (5).

Abstract: An outlet device provides vortex rotating water and includes a diverter having a side surface disposed with at least two spiral accelerating grooves extending along an axial direction and having a bottom surface disposed with a collision chamber, the at least two spiral accelerating grooves being evenly arranged about an axis of the collision chamber and having respective ends that connect to the side walls of the collision chamber; and an outlet body disposed with an accommodating chamber and a vortex rotating chamber connected to each other in the axial direction. The diverter is disposed in the accommodating chamber. The vortex rotating chamber is a dome shaped body having a flat end face that is connected to a bottom end of the accommodating chamber and has an external protruding surface. The outlet body has an outlet connected to the external protruding surface of the vortex rotating chamber.

Abstract: The present invention relates to micro fogging device and method which can spray micro fog-like fine water droplet to be used, for example, for protected cultivation, such as green houses, or barns. The micro fogging device can supply fog tinier than the conventional low pressure foggers, and includes: a low pressure fogger unit for forming fog at low pressure; and a venture nozzle which is coupled to a coupling pipe of the low pressure fogger unit to finely segment/divide the water droplets supplied from the low pressure fogger unit, thereby minimizing usage of water and compressed air and maximizing the effectiveness of fog generation.

Abstract: The present application provides a fuel nozzle for a gas turbine engine using a primary fuel and a secondary fuel. The fuel nozzle may include a number of primary fuel injection ports for the primary fuel, a water passage, a number of secondary fuel injection ports, and a secondary fuel evaporator system for atomizing the secondary fuel.

Abstract: A fuel injector may include a housing, a pintle nozzle assembly and an actuation assembly. The housing may define a longitudinal bore, a high pressure fuel duct in communication with the longitudinal bore and a valve seat including a valve seat surface and an aperture. The pintle nozzle assembly may include a stem and a pintle and may be at least partially disposed within the longitudinal bore and be variably displaceable between a first position and a second position. In the first position, the pintle nozzle assembly may abut the valve seat to seal the aperture. In the second position, the pintle nozzle assembly may be displaced from the valve seat to open the aperture. The actuation assembly may be coupled with the pintle nozzle assembly and operate to move the pintle nozzle assembly to a plurality of positions between the first position and the second position.

Abstract: An atomizing injector comprises a body having a central bore with a valve situated in the bore, leading to a chamber. An actuator moves the valve between closed condition and open conditions, selectively exposing the chamber to a flow of pressurized liquid. A discharge port extends from the chamber to a discharge orifice. A swirl element is situated in the chamber, while leaving a free space in the chamber immediately above the discharge port. When the valve is opened, liquid flows into the chamber, through the swirl element into the space, forming a whirl in the space before passing through the discharge port and exiting the discharge orifice as an atomized whirling spray.

Abstract: A pressure reducing solenoid valve according to an exemplary embodiment of the present invention includes: a pump housing which has an inflow path and an outflow path; a coil which is provided at an upper side of the pump housing; and a pressure reducing operating unit which has an upper portion positioned in the coil, and a lower portion positioned in the pump housing, and allows a fluid to be discharged from the inflow path to the outflow path so as to reduce pressure.

Abstract: A helix cup for use in a pressurized dispenser. The helix cup has a convergent funnel wall. The funnel wall is not straight and does not satisfy the mathematical equations for surface area or for subtended volume of the frustrum of a cone. Instead, the funnel wall provides a longer flow path than is achieved with straight sidewalls. The longer flow path provides for a tighter particle size distribution at lower pressures than occurs in the prior art.

Abstract: Example inline plug flame arrestors are disclosed. A disclosed example flame arrestor includes a body having a passage to enable fluid communication between a first end of the passage and a second end of the passage, wherein the first end of the passage includes a shoulder and a plug disposed within the passage to substantially fill a cross-sectional area of the passage, wherein a first end of the plug engages the shoulder, wherein the plug is configured to provide a gap between an exterior surface of the plug and a wall of the passage to fluidly couple the first and the second ends of the passage, and wherein the plug includes at least one slot at the first end of the plug extending along an exterior surface of the first end of the plug to a peripheral edge of the first end of the plug to direct fluid flow in the slot toward the wall of the passage and along the gap and the exterior surface of the plug toward the second end of the passage.

Abstract: A misting nozzle includes a body having a hole centrally defined therein and a flange radially extending therefrom to divide the body into a connecting section and a mounting section. At least two ditches are longitudinally and equally defined in the mounting section, and each laterally communicates with the hole. A distal end of the smooth portion is formed with an abutment and a round recess centrally defined in the abutment. At least two grooves are respectively equally defined in the abutment, wherein each groove is defined along a corresponding one of the tangents of the round recess and has two opposite ends respectively communicating with the round recess and a corresponding one of the ditches. A cap is airtightly mounted onto the mounting section of the body. A funnel-shaped hole is defined in a bottom of the cavity and communicates with the recess.

Abstract: Providing a flush bowl capable of discharging a planar shower-like water discharge flow in a wide range while changing the water discharge trajectory is directed. The shower device according to an embodiment of the invention is a shower device including: a water discharger including a plurality of water discharge ports; a rotator including a channel at its center; a coupling section coupling the inside of the water discharger to the channel of the rotator; a receiving section receiving the rotator; a driving mechanism configured to rotate and revolve the rotator in the receiving section; and a decelerating section provided inside the water discharger.

Abstract: A fuel injection valve 30 includes: a nozzle body 31 provided with a jet hole 32 at an end portion thereof; and a needle 33 slidably arranged within the nozzle body 31, defining a fuel introduction path 34 between the needle 33 and the nozzle body 31, and provided with a seat portion 33a seated on a seated position 31a within the nozzle body 31. The fuel injection valve 30 includes: a rotational flow generation portion 36 formed in an upstream side of the seat portion 33a of the needle 33, and provided with a spiral groove 36a giving a rotational component to a fuel introduced from the fuel introduction path 34; an air introduction path 37 formed inside the needle; and a rotation stable chamber 45 formed at the end portion of the nozzle body 31, the fuel that has passed through the rotational flow generation portion 36 and the air that has passed through the air introduction path 37 being introduced into the rotational stable chamber 45.

Abstract: A fuel injection valve includes: a nozzle body; a needle that is slidably arranged in the nozzle body and sits on a seat portion in the nozzle body, the needle and the nozzle body forming a fuel introduction path therebetween; a spiral fuel path that is formed at an upstream side of the seat portion, and gives a flow which swirls around the needle to a fuel which is introduced from the fuel introduction path and supplied to the injection hole; and an acceleration portion that is formed between the seat portion and the injection hole, accelerates the swirling fuel which has passed through the fuel path, and generates a negative pressure at the center of swirling flow of the fuel to generate an air core; wherein the fuel path is formed to the outside of an outer peripheral surface of the needle.

Abstract: The air gun comprises a substantially cylindrical-shaped external case (2), provided at one end with a connection element (8) suitable to enable the connection of the air gun (1) with a device for supplying a fluid to be sprayed, and provided at the opposite end with an expulsion device (10) suitable to enable the outlet of the fluid to be sprayed towards the outside. Inside the case (2) is arranged a vortex generator device (9) provided with a plurality of internal walls (91) having curvilinear profiles. The walls (91) define a plurality of separated helical pipes (93), in order to give the fluid to be sprayed a helical rotatory motion.

Abstract: A nozzle for a mist lubricator system has an emitter head located in a tubular housing. The emitter head has tapered passageways terminating at an end from which lubricant drops are directed to a target to be lubricated. The emitter head can be incorporated in lubricator systems of various types, including those utilizing a cycling feed metering system. A nozzle constructed in accordance with the present invention can be used in reduced airflow systems and exhibits substantially lessened lubricant loss during low and no airflow periods.

Abstract: The present invention provides a spray device for fire fighting, which sprays atomized water to extinguish a fire. The spray device (100) includes an upper body (10), a lower body (20) which is removably coupled to the upper body (10), a nozzle tip (30) which has a swirl (39) therein and is removably inserted into each nozzle tip hole (22) of the lower body (20), and an interposition unit (40). The spray device (100) further includes an inclined surface (16), a tightening contact surface (19-1) provided on an outer surface of a circular head part (19) of the upper body (10), a working groove (26) to provide an internal thread (25) on the lower body (20), and a hemispherical mesh (42) which has a convex shape and is provided in a chamber (41) defined at a center position between the upper body (10) and the lower body (20).

Abstract: A watering nozzle assembly includes an adjustment member received in the barrel and an outlet device is connected to the adjustment member. The outlet device includes a rotatable member, a collar mounted to the rotatable member and a nozzle member connected to the rotatable member. An intermediate member is located between the rotatable member and the nozzle member. One side of the intermediate member has a plurality of rods and passages. Multiple apertures are defined in an outer periphery of the nozzle member. Multiple cone-shaped recesses are defined in an inner periphery of the nozzle member and enclose the apertures respectively. Multiple spiral grooves are defined in each of the cone-shaped recesses. When the cone-shaped recesses are sealed by the rods and a part of each of the spiral grooves are exposed beyond the rods so that mist water goes out from the apertures via the spiral grooves.

Abstract: The present invention provides a method and a machine for dispersing a liquid bird repellent solution. The method includes providing a liquid bird repellent solution at a first orifice. The first orifice is defined in a liquid conduit. A flow of air is released through a second orifice to an ambient atmosphere. The second orifice is defined in an air conduit. The air conduit encloses the first orifice and contains air at a pressure significantly elevated with respect to that of the ambient atmosphere. The second orifice is spaced sufficiently apart from the first orifice to allow the flow of air to form a venturi to entrain droplets of the liquid bird repellent solution into the flow of air from the first orifice.

Abstract: The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container.

Abstract: A spray nozzle assembly for atomizing a medium through a nozzle channel, comprising a first channel portion which is tapered by two lateral surfaces facing each other to form an elongate narrow cross-sectioned surface, a passage orifice disposed in the narrow cross-sectioned surface the cross-sectional area of which is smaller than is the narrow cross-sectioned surface, and a second channel portion adjoining the passage orifice in the direction of medium flow which has two opposed lateral surfaces separating from each other with an increase in distance from the passage orifice, whose edges facing the passage orifice extend crosswise to the longitudinal direction of the narrow cross-sectioned surface, characterized in that the nozzle channel having the two channel portions and the passage orifice are configured inside an integrally formed plastic component.

Abstract: A trigger sprayer has a nozzle assembly that dispenses a spray of liquid in a fan pattern that is selectively oriented horizontally or vertically. The nozzle assembly includes a nozzle housing and nozzle cap mounted on the nozzle housing, where the nozzle cap is rotatable relative to the nozzle housing to direct a fan spray pattern of liquid from the nozzle cap in both a vertical and horizontal orientation, and prevent the discharge of liquid from the nozzle cap in cap positions between the horizontal and vertical orientations.

Abstract: A pump-dispensing atomizer includes a dispensing pump with a closure to engage with a container. The dispensing pump includes a pressing button with a booster chamber formed inside, a nozzle with one end extending from the pressing button and a probe formed with at least one section. An interior of the nozzle is formed with a guide chamber, and one end of the guide chamber is connected to the booster chamber. The guide chamber has at least one expanding sub-chamber. After the probe is disposed in the guide chamber, a boosting channel is formed between the expanding sub-chamber and the stepped section. Moreover, the pressure accumulator is mounted on the other end of the nozzle, which is formed with a spraying opening communicated to outer environment. As such, the pressure of liquid flowing in the nozzle will be increased effectively so that liquid is sprayed out with a higher pressure to increase the spraying speed of the liquid.

Abstract: The present invention is a dispenser adapted to couple to a fluid container having an opening surrounded by a neck. The dispenser comprises a cap, a dispensing head, an energy source, and a conduit. The cap is adapted to seal the opening fluid tight when the dispenser is coupled to the container. The dispensing head is pivotably secured to the cap and includes a fluid pump, a motor adapted to power the pump, a trigger adapted to actuate the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The energy source is electrically connected to the motor and extends inside the container. The conduit has a first end in fluid communication with an intake end of the pump and a second end inside the container.

Abstract: A fluid discharge pipe structure comprises a cylindrical body, an inlet side connection member having a through hole formed in one end part of the cylindrical body, an outlet side connection member having a through hole formed in another end part of the cylindrical body, a spiral blade body having spiral blades on an outer circumference thereof and provided close to the inlet side connection member of the cylindrical body, and a flip-flop phenomenon generating shaft body provided close to the outlet side connection member of the cylindrical body.

Abstract: The mixing nozzle of the present invention generally includes a casing and mixer. The mixer fits within the casing and includes alternating elongated helical flow directing lands and notched barrier lands. The flow directing lands extend from the body and seal against the inside wall of the casing. The barrier lands also extend from the body but are offset from said inside wall of the casing. The flow directing lands and the barrier lands have differing helix angles and thus define alternating converging inlet channels and diverging outlet channels. Mixing of molten plastic is accomplished when the molten plastic is received from the inlet end of the mixing portion primarily by the inlet channels, passes over the barrier lands and through the notches in the barrier lands and passes primarily via the outlet channels through the outlet end of the mixer.

Abstract: The angle of fuel spray at the time of pre-injection is set to a wider angle of spray and the angle of fuel spray at the time of main injection is set to a narrower angle of spray. The pre-injection timing is set so that when fuel spray after the pre-injection is diffused in a cylinder and stratified, the stratified fuel spray is ignited by a rise in the pressure in the cylinder in association with movement of a piston from the bottom dead center to the top dead center. The main injection timing is set so that when the spray stratified by the pre-injection is burned, the fuel spray injected by the main injection passes through the combustion zone while being ignited in the combustion zone, reaches a combustion chamber of the piston, and is burned in the combustion chamber.

Abstract: A dispenser head (10) for a fluid dispenser device, said head (10) comprising an expulsion channel (11) terminating in a dispensing orifice (12), an insert (20) being placed in said expulsion channel (11), the downstream end (21) of said insert (20) in the flow direction of the fluid co-operating with the downstream end portion of said expulsion channel (11) to define a spraying profile (13, 14), the head being characterized in that said downstream end (21) of said insert (20) and said downstream end portion of said expulsion channel (11) are both frustoconical, forming a frustoconical spraying profile (13, 14).

Abstract: A spray nozzle of a fire protection system is provided for discharging a hollow cone spray pattern. The nozzle generally includes a hollow, elongated body and an integral core subassembly which may be preassembled. The integral subassembly configuration simplifies the subsequent assembly, disassembly or service of the overall nozzle in the field. In an exemplary embodiment, the subassembly includes a unitary core holder having a plate portion and an annular wall portion, with a discharge orifice disposed centrally in the plate portion. Additionally, the subassembly includes a disc-shaped core having a plurality of sloped passages. The core and core holder are cooperatively shaped to define generally cylindrical a whirl chamber in a space between a downstream surface of the core and the plate portion of the core holder.

Abstract: In an injection molding machine a mixer is provided that reduces the flow imbalances inherent in the melt as the flow branches within a manifold or other part of the injection machine. The mixer increase melt homogeneity by gradually mixing and changing the melt flow from all helical flow to all annular flow. The mixer provides an improved means for reducing flow imbalances that results in the elimination of weld lines and other part non-uniformities.

Abstract: A misting head system (24) configured to render a fluid (32) into a mist (36) is provided. The system (24) includes a misting head body (26) and a poppet (20). The misting head body (26) has a cylindrical chamber (28), an inlet (30) configured to pass the fluid (32) into the chamber (28), and an orifice (34) configured to pass the fluid (32) out of the chamber (28) and to render the fluid (32) into the mist (36). The poppet (20) has a cylindrical core (38) configured to force the fluid (32) to pass through a space (44) between the core (38) and an inner wall (46) of the chamber (28), a fracture band (54) coupled to the core (38), configured to center the core (38) within the chamber (28), and having a plurality of flutes (60) configured to fracture the fluid (32) as the fluid (32) passes through the space (44), and an orifice end (40) of the core possessing a plurality of symmetrically spaced slits (48) configured to further fracture the fluid (32).

Abstract: In a combustion process, especially one used for melting glass, the delivery of fuel is ensured by an apparatus having at least one burner (5) which is equipped with at least one injector (1) that includes a liquid fuel delivery tube (2) which has at least one internal wall (25) and an injected fluid delivery tube (3) arranged concentrically with respect to the liquid fuel delivery tube. Immediately before injecting the liquid fuel from its delivery tube, one puts it in the shape of a hollow jet basically assuming the shape of the internal wall. This has application for the reduction of NOx in a glass-making oven.

Abstract: A fire extinguishing apparatus can quickly extinguish a fire in the early stages by ejecting a pressurized liquid in the form of a fine spray, and can effectively extinguish a fire even when an extensive fire occurs. The apparatus has a frame, a cap member assembled into the upper portion of the frame, and a spraying nozzle assembly coupled to the underside of the frame. The spraying nozzle assembly has a plurality of nozzle sections. The nozzle section includes a hollow nozzle body, a swirler accommodated in the hollow nozzle body in order to apply centrifugal force to the highly pressurized liquid passing therethrough, a swirler holder which is inserted in the upper portion of hollow nozzle body and contacts with the upper surface of the swirler so as to prevent the swirler from moving, and a nozzle tip having an orifice for spraying the pressurized liquid to the fire. The nozzle tip is inserted in the lower portion of the hollow nozzle body.

Abstract: A liquid fuel injector nozzle for a gas turbine combustor delivers liquid fuel to the combustion chamber in discrete jets. The liquid fuel injector nozzle includes a fuel passage that terminates with a swirl pilot including a plurality of swirl slots for imparting swirl to the liquid fuel. The spin chamber disposed downstream of the swirl pilot is configured to deliver the liquid fuel to the discharge orifice in discrete jets. The discrete fuel streams are concentrated in a fashion to minimize atomization until the fuel adequately penetrates the premixer air stream, resulting in burning properties that lead to increased efficiency, lower emissions, greater flame stability and improved pattern factor when compared to hollow cone spray pattern injection techniques.

Abstract: It is possible to more effectively extinguish fires in confined spaces such as engine rooms of ships. General nozzles are disposed above and/or on the sides of the confined space to be protected for general fire extinguishment in the confined space. Spot nozzles may be disposed around specific objects which are susceptible to fire in the confined space, such as engines in an engine room. At least some of the nozzles are low pressure nozzles having wings from which extinguishing water is sprayed at a pressure less than twelve bar, e.g., between 2-12 bar, having water droplets of various size. Due to rotating action of the wings, the water droplets are distributed in the water spray so that the frequency of drops having larger diameters is greater at the periphery of the water spray than in the inner part of the spray, and correspondingly, the frequency of drops having smaller diameters is greater in the inner part of the spray than at the periphery.

Abstract: A nozzle for a spray head has a housing having an orifice. A helical spring in the housing extends toward the orifice for liquid in the housing to flow in a helical path between loops of the spring in a strong whirling motion before being discharged through the orifice. A spindle element is in an at least essentially cylindrical passage in the housing with the helical spring, the helical spring extending around the spindle element and engaging at one end the housing at the orifice and at an opposite end the spindle element for a force of the helical spring to urge the spindle element away from the orifice towards a stop in the cylindrical passage, the spindle element being axially movable in an axial direction of the cylindrical passage in response to the force and an opposite-acting pressure force of the liquid.

Abstract: A nozzle particularly adapted for use in connection with mist oil lubricating units removes the mist oil from the carrier gas, collects the removed oil, and reintroduces it into the interior of the carrier gas flow such that it may be carried in the form of a series of uniformly sized drops to a target to be lubricated. The nozzle may include a helical flow path for the mist, during the traverse of which the mist oil is extracted from the unit, and a needle-like assembly which collects extracted oil and channels it into the interior of the gas flow as it exits the nozzle.

Abstract: A structure having radial holes extending from a ring passage communicated with a revolution lead fittings having spiral grooves and fuel lead fittings having truncated cone shaped holes and straight holes, and further provided with an outer fixing ring having spray holes and hemispherical recesses.

Abstract: Spray apparatus for mixing, atomizing and spraying foam forming components has a hollow wand of extensive length that is adapted to be connected at one end to a conventional mixhead and has mounted therein a static mixing element that extends the length of the wand. A nozzle having a singular central orifice through its tip is mounted on the distal end of the wand and houses a floating core. The core has a convex end facing the orifice and is contactible thereabout with an interior side of the nozzle tip. The mixing element has a spiral shape that operates to incite turbulence and thereby enhance mixing of the foam forming components passing through the wand from the mixhead. The core has a peripheral surface that converges in the direction of the orifice and angled channels in this surface separate the mixed components into streams directed toward the orifice and together with the orifice atomize the mixed components and cause the discharge thereof in a uniform atomized cone-shaped spray pattern.

Abstract: A hollow body has a connected tubular discharge stem. The stem has a tapered tip formed with at least one discharge passage. An annular gasket complementing the shape of the taper is normally seated on the tip and valves off the passage. A hollow tubular shell is over the stem and carries the gasket at its upper end. The shell encloses a spring working between the bottom of the shell and a fin on the stem spaced back from the tip. In operation, the shell is moved away from the body so liquid can discharge through the gasket.

Abstract: A battery operated hand-held dispenser which operates efficiently at lower power levels than prior art devices. The dispenser as included therein has spray, foam or stream, dispensing capabilities coupled with pump mechanisms, vent mechanisms and positive closures.

Abstract: A pico fuel injector valve (10) adapted to be received in an injector socket provided in an air intake manifold (12) of an internal combustion engine having an integral fuel rail (14). The fuel injector valve has a magnetically permeable cylindrical housing (26) having radial inlet ports (24) and an armature guide bore (32). A valve seat member (40) having an outlet port and a valve seat (48) is attached to the end of the cylindrical housing (26) having the guide bore. An orifice plate (56) having a calibrated orifice is disposed in an orifice plate recess (50) provided in the face of the valve seat member (40). A stator (76) disposed in the cylindrical housing has an axially disposed pole member (78) and a radial flange (80) attached to the other end of the cylindrical housing. A solenoid coil is wound directly around the pole member (78).

Abstract: A delivery lance for the homogeneous mixing of water-soluble products comprises two coaxial hollow cylindrical members (1), (3) inserted one in the other, the first one (1) being provided with an axial chamber (13) for receiving a mass (66) of soluble product, and the second one (3) defining a surrounding annular chamber (4, 5) which communicates with said chamber (13) through transverse apertures (15) provided in said first member (1). The chamber (13) is provided with an end inlet mouth (10) for the water, which enters the annular chamber (4, 5) with turbulent motion, to then flow towards a discharge mouth (32) remote from the inlet mouth (10). To increase the water turbulence, a perforated jacket (20, 21) can be disposed about the first member (1) to divide the annular chamber into two concentric interspaces (4), (5).

Abstract: A tankwasher which may be mounted permanently in a tank that requires frequent cleaning comprises a tube 1 connected to a source of cleaning liquid supply, a shaft 5 non-rotatably mounted in the outlet end of the tube 1 and having an enlarged head at the end thereof which protrudes from the tube 1, a liquid guide 3 surrounding said shaft 5 internally of the tube 1 and formed with helical grooves on its external surface, and a shaped liquid distribution disc 4 rotatably mounted around the shaft 5 between the head of the shaft 5 and the neighboring end of the liquid guide 3. An R-shaped resilient clip 2 constitutes the only connection of the shaft 5 to the tube 1 and, upon its removal, the shaft 5, the liquid guide 3 and the disc 4 can all be freely removed from the tube 1 and from each other for cleaning or other purposes.

Abstract: A process and apparatus for generating multiple spirally convergent/divergent fluid jet streams and an improved process and apparatus for generating particulate containing fluid jets wherein at least one discontinuity generator is provided to create fluid instabilities, enhancing entrainment and acceleration of particulates in the fluid jet stream and providing uniform distribution of accelerated particles over a large surface area.

Abstract: Method for flushing the inside surface of a pipe in the vicinity of a welded seam, where a flushing gas is fed to the pipe with laminar flow, characterized by the feature that the laminar flow in the pipe is transformed into a turbulent flow in front of the welded seam.

Abstract: An apparatus for providing uniform distribution of aggregate material has a rotatable hopper mounted on a support frame to receive aggregate material from an apparatus supplying aggregate material. Attached to the rotatable hopper, and in communication with a discharge opening of the hopper, is a chute extending downwardly and angularly outwardly from the axis of rotation of the hopper. The chute includes a baffle which responds to the gravitational force applied by the flow of aggregate down the chute to cause rotation of the hopper and thereby provide for uniform spreading of aggregate beneath the hopper. A modified version includes a first hopper pivotally mounted on the support frame in a manner to receive aggregate from the supply apparatus and a second hopper rotatably mounted beneath the first hopper with the chute attached to the rotatable hopper to receive aggregate from the rotatable hopper and cause rotation of the rotatable hopper.

Abstract: An injection valve for fuel injection systems in internal combustion engines is proposed, which serves to supply fuel into the intake tube of the engine. The injection valve includes a movable valve element, which cooperates with a fixed valve seat, downstream of which a guide bore is provided in a nozzle body. An insert is pressed into this guide bore. The insert has grooves which extend in an axial direction and serve the purpose of metering the fuel to be injected. The grooves may be embodied by faces, which can be reground in a simple manner in order to correct the injection quantity.