And Filtering Or Screening Means Patents (Class 239/462)
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Patent number: 6457658Abstract: A molded fluid device having a power nozzle with a width W and a coupling passage coupling a source of fluid to the power nozzle. The coupling passage is formed on one chip or insert surface and has a planar enlargement and a plurality of posts spaced across the enlargement, the spacing S between each post being less than the width of the power nozzle with the sum of spacing S being greater than the width W. A liquid spray nozzle is formed on an opposing chip surface and connected to the coupling passage downstream of the posts.Type: GrantFiled: January 5, 2001Date of Patent: October 1, 2002Assignee: Bowles Fluidics CorporationInventors: Dharapuram N. Srinath, Eric Koehler
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Publication number: 20020113145Abstract: A shower head is disclosed having a front housing portion and a rear housing portion. Intermediate the front and rear housing portions is an integral filter canister including copper-zinc media for the removal of chlorine and other chemicals and contaminants. The shower head also has a plurality of spray openings for spraying water outwardly from the shower head, with a plurality of spray modes and patterns achievable by rotation of the front housing portion. A cleaning ring is also positioned within the front housing portion, it has a camming surface such that upon rotation of the front housing portion to change the spray modes, the cleaning ring is cammed forward to clean associated spray holes of accumulated minerals such as calcium.Type: ApplicationFiled: October 11, 2001Publication date: August 22, 2002Inventor: Kwok Din Wong
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Patent number: 6409100Abstract: An articulated air admission device comprising a lower portion (4) with a mixing mechanism provided with a screen (36), a central portion (3) and an upper portion (2) arranged to be attached to the outlet spout of a water tap, the upper portion (2) being provided with a joint ball (5) facing towards and connected to the central portion (3) which is connected to the lower portion (4) by a thread (18).Type: GrantFiled: October 6, 2000Date of Patent: June 25, 2002Assignee: Lundberg & Son V.V.S.-Produkter ABInventor: Stig Lundberg
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Patent number: 6367715Abstract: The device for forming an aerosol has a device for adjusting the amount of particle former transported by the spray jet per time unit and/or a device for adjusting the amount of compressed gas passing per time unit through the wall. Such a device can be used for fluid treatment of sensitive, easily deformable objects, especially for their cooling, or other applications requiring certain metering of the particle formation, for example, in a burner. By providing a permeable wall having pores, it is possible to produce fluid particles with minimal kinetic energy by the effect of the compressed gas flowing through the permeable wall so that at the exit side of the wall a fluid particle stream with particles having extremely low energy per particle can be produced.Type: GrantFiled: December 29, 1999Date of Patent: April 9, 2002Inventor: Stephan Rieth
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Patent number: 6354516Abstract: A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which the thickness of the membrane is reduced in stepwise fashion, or the pores can be tapered. Nozzles formed comprising pores having such structures permit aerosol generation at lower extrusion pressures, thereby allowing for decreased weight of aerosolization devices, increased efficiency, increased portability and increased battery life. The pore structures also allow for the use of thicker, more easily processed polymeric films in manufacturing while having a thinner, more efficient aerosolization area. The use of decreased extrusion pressures also results in increased uniformity in aerosol generation and improved reliability of other components.Type: GrantFiled: November 2, 1999Date of Patent: March 12, 2002Assignee: Aradigm CorporationInventors: Rajesh S. Patel, Sudarsan Srinivasan
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Patent number: 6350378Abstract: The object of the present invention is to easily produce water having fine clusters and containing little chlorinated material. Said object is attained by a water treating apparatus consisting of a cylindrical body having a water inlet at the upper end and a water outlet at the lower end wherein a water passage is longitudinally formed in said cylindrical body, and a blade member is arranged in said cylindrical body and gives water passing through said water passage revolution force and shear force.Type: GrantFiled: July 27, 2000Date of Patent: February 26, 2002Assignee: I.B.E.Co., Ltd.Inventor: Toshiharu Oyabu
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Patent number: 6241166Abstract: A shower head has a first chamber defined in part by an outer wall or body and having an entrance bush to receive a supply of water which is deflected into the first chamber by a baffle on spaced legs depending from the bush. The shower head has a second chamber comprising an upper conical wall formed with a ring of openings therein through which water can pass from the first chamber into the second chamber. The second chamber has a lower wall or spray plate with fine water outlet apertures and also has an external peripheral rim at the level of the spray plate. The second chamber is a one-piece unit in which the upper conical wall is secured to the baffle by a screw threaded bolt acting to pull the second chamber into the first chamber and clamp the peripheral rim against a sealing ring pressing on an internal annular shoulder of the outer wall or body.Type: GrantFiled: March 14, 2000Date of Patent: June 5, 2001Assignee: Purdie Elcock LimitedInventors: John Overington, Leonard Paul Gauntlet
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Patent number: 6186409Abstract: A molded fluidic device having a power nozzle with a width W and a coupling passage coupling a source of fluid to said power nozzle. The coupling passage has a planar enlargement and a plurality of posts spaced across the enlargement, the spacing S between each post being less than the width of the power nozzle with the sum of spacing S being greater than the width W.Type: GrantFiled: December 9, 1999Date of Patent: February 13, 2001Assignee: Bowles Fluidics CorporationInventors: Dharapuram N. Srinath, Eric Koehler
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Patent number: 6106772Abstract: A sterilizing system for receiving a stream of solid-stabilizer-containing fluid and sterilizing an article comprises a chamber for receiving the article and an injection assembly coupled to the chamber for generating and introducing a fluid jet into the chamber. The system particularly comprises an injector impinger for removing particulates and liquid droplets from the solid-stabilizer-containing fluid by causing a sudden change of the stream line direction of the fluid jet. The injector impinger is positioned between the injection assembly and the article, so that the fluid jet can not reach the article without first interacting with the injector impinger.Type: GrantFiled: June 23, 1998Date of Patent: August 22, 2000Assignee: Ethicon, Inc.Inventors: James P. Kohler, Harold R. Williams
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Patent number: 6062496Abstract: An agricultural spray implement includes a plurality of removable valve/filter/nozzle cartridges. Each removable cartridge has a housing that retains a high speed solenoid valve and a spray nozzle. When the solenoid valve is open, an agricultural liquid (for example, herbicide) flows through the solenoid valve, through a chamber in the housing, and through the nozzle. To monitor cartridge operation and/or to detect cartridge failures (for example, a solenoid valve that is stuck open or closed or a nozzle that is clogged), a pressure sensor is provided that detects a pressure in the chamber. A chamber pressure that does not change when the solenoid valve is controlled to open and/or close is indicative of cartridge failure. Operation of each of the many spray cartridges of the agricultural spray implement is monitored from a single display.Type: GrantFiled: June 8, 1998Date of Patent: May 16, 2000Assignee: Patchen, Inc.Inventor: Malcolm L Kinter
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Patent number: 6056211Abstract: A hydrant flushing diffuser handles a flow of water from a hydrant as it is being flushed. The diffuser allows the flushing to take place in a safe manner and without destroying surrounding landscaping or other objects. The invention includes a hydrant flushing diffuser having a hood and a chute. The hood has a closed top and an open base and includes an aperture. The chute further comprises a porous fabric bag that is open on one end, wherein the chute is connected to the hood so that open end of the bag surrounds the aperture in the hood.Type: GrantFiled: June 8, 1999Date of Patent: May 2, 2000Assignee: Atlantic Construction Fabrics, Inc.Inventor: Rinaldo J. DiLoreto
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Patent number: 6026645Abstract: A fuel mixer for a gas turbine combustor is provided. The fuel mixer has a substantially cylindrical body with a flared end and a tapered end. The flared end is adapted for receiving compressed air and for channeling the compressed air into the fuel mixer. The fuel mixer has a fuel/air mixing disk disposed within the body proximate the flared end. A disk axis of the fuel/air mixing disk is substantially parallel to the axis of the fuel mixer body. The fuel/air mixing disk has a plurality of holes parallel to the disk axis. The fuel/air mixer reduces NO.sub.x and CO emissions in a gas turbine combustor by providing more evenly distributed fuel/air mixtures without increasing the risk of flame holding or flashback.Type: GrantFiled: March 16, 1998Date of Patent: February 22, 2000Assignee: Siemens Westinghouse Power CorporationInventors: Mitchell O. Stokes, William Richard Ryan
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Patent number: 5975434Abstract: A showerhead system with internal filtration media includes a fluid-tight pressure housing having a fluid inlet and a fluid outlet, the outlet substantially co-axial with the inlet, the housing having a substantially cylindrical internal surface. The system further includes several porous radial disks axially disposed internally to the pressure housing and having circumferential edges in integral communication with the internal cylindrical surface of the pressure housing. The system also include filtration media positional within regions defined between the porous disks. The system additionally includes at least one rigid radial disk axially disposed within the axial distribution of the plurality of porous disks, the rigid disk including groups of apertures. The rigid disk may or may not have an integral securement to the internal cylindrical surface of the pressure housing such that its axial position, within the system, is defined by filtration media packed on either side of it.Type: GrantFiled: April 13, 1998Date of Patent: November 2, 1999Inventor: John H Douglas
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Patent number: 5939701Abstract: A bar code symbol reading system is provided having at least one portable bar code symbol reading device and an associated base unit positioned within the data transmission range thereof without a physical wiring connection thereto. After each successful reading of a bar code symbol, the bar code reading device automatically produces symbol character data representative of the bar code symbol, synthesizes a group of data packets each containing the symbol character data, and then transmits the synthesized group of data packets to the base unit. Upon the successful receipt of one of the transmitted data packets and the recovery of symbol character data therefrom, the base unit generates an acoustic acknowledgment signal that is perceptible to the user of the bar code symbol reading device and indicates the transmitted symbol character data has been successfully received.Type: GrantFiled: July 9, 1997Date of Patent: August 17, 1999Assignee: Metrologic Instruments Inc.Inventors: George B. Rockstein, David M. Wilz, Stephen J. Colavito, Gene German, Carl Harry Knowles
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Patent number: 5857627Abstract: A nozzle arrangement for a medium expansion foam fire extinguisher. The nozzle arrangement comprises a discharge tube with a discharge port for the foam at one end. At the other end there is a full cone supply nozzle for the foam concentrate solution. The tube has air inlets in line with the outlet from the spray nozzle. A mesh screen is located between the supply nozzle and the discharge outlet.Type: GrantFiled: October 20, 1995Date of Patent: January 12, 1999Inventors: Simon Howard Horwell, Philip H. Brice
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Patent number: 5833144Abstract: An agricultural spray implement includes a plurality of removable valve/filter/nozzle cartridges. Each removable cartridge has a single housing that retains a magnetized filter, a high speed solenoid valve, and a spray nozzle. In the event the system filter of the spray implement is removed, fine particles which otherwise might clog the solenoid valves are stopped from entering the solenoid valves by the magnetized filters of the valve/filter/nozzle cartridges. Each cartridge has a clean-out purge valve so that its magnetized filter can be unclogged without removal of the magnetized filter from the cartridge housing. A light emitting diode of the cartridge provides a visual indication that the cartridge is dispensing agricultural liquid. The light emitting diode is turned on when the solenoid valve is controlled to be open.Type: GrantFiled: June 17, 1996Date of Patent: November 10, 1998Assignee: Patchen, Inc.Inventor: Malcolm L. Kinter
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Patent number: 5816502Abstract: A lawn chemical dispersal system including a remotely positionable spray nozzle having a nozzle intake connector and at least one nozzle discharge orifice; and a lawn chemical mixing unit having an intake hose coupling, a flow pipe in connection with the intake hose coupling; an anti-backflow valve installed within the flow pipe; a bottle connecting assembly including a bottle neck insertion cavity, a resilient bottle neck sealing ring, a mouth cover rupturing tube and a control valve, the control valve being in connection between the rupturing tube and the flow pipe; a lawn chemical bottle including a chemical bottle cover adhesively secured over and covering a chemical bottle opening and a chemical bottle neck, the chemical bottle neck sealing seating against the resilient bottle neck sealing ring when the chemical bottle neck is inserted into the bottle neck insertion cavity; a mixing assembly having an intake side and a discharge side, the mixing assembly further including an intake side screen and a discType: GrantFiled: April 8, 1997Date of Patent: October 6, 1998Inventors: Judy O. Sperry, Mark L. Sperry
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Patent number: 5785248Abstract: A gear drive assembly for a rotary sprinkler includes a drive housing in which a reduction gear train is enclosed. A turbine located beneath one end of the drive housing rotates the gear train through a turbine shaft that extends into the drive housing. An output shaft extends out of the other end of the drive housing for rotating the nozzle assembly of the rotary sprinkler. The drive assembly includes a relatively large water entry port which is screened by a filter screen having relatively small openings. The water entry port allow enough water to enter the drive housing upon initial pressurization of the sprinkler such that sand particles suspended in the water do not jam the output shaft or the turbine shaft. The openings in the filter screen prevent the entry of particles into the drive housing that would tend to jam or foul the reduction gear train.Type: GrantFiled: February 22, 1996Date of Patent: July 28, 1998Assignee: The Toro CompanyInventors: John L. Staylor, Jeff R. McKenzie, Rebecca R. Reade
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Patent number: 5645124Abstract: A liquid refrigerant distributor for use within a heat exchanger having a body of heat exchange tubes. The distributor comprises a mesh screen and a liquid refrigerant sprayer. The liquid refrigerant sprayer is adapted to spray refrigerant on the mesh screen. The mesh screen being adapted to pass liquid and vaporous refrigerant but also to direct liquid refrigerant onto the heat exchange tubes.Type: GrantFiled: August 2, 1996Date of Patent: July 8, 1997Assignee: American Standard Inc.Inventors: Jon P. Hartfield, Duane F. Sanborn
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Patent number: 5615836Abstract: An injector nozzle construction for producing air-filled drops of liquid includes a dosaging nozzle element coupled at its outlet to a mixing chamber provided with an air intake opening for producing a liquid/air mixture which in turn communicates with an outlet element for discharging the mixture. A particularly great uniformity and largely fluctuation-free distribution characteristic of the drops of fluid is achieved by providing between the mixing chamber and the outlet element a homogenizing and stabilizing chamber having an inlet that is substantially greater in cross-sectional size than the outlet of the mixing chamber.Type: GrantFiled: October 26, 1994Date of Patent: April 1, 1997Inventor: Jordt-Steffen Graef
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Patent number: 5494222Abstract: A faucet spout including a sleeve member having a lower water exit, a core member having a closed end, a filtering screen, a resilient adapter fitted onto a faucet and a cap member. The core member is disposed in the sleeve member with the closed end facing the water exit of the sleeve member. The filtering screen is disposed in an inner insert groove of the sleeve member above the core member. The resilient adapter is disposed on an inner step section of the sleeve member. The cap member is screwed on an upper end of the sleeve member to associate the resilient adapter with the sleeve member. When the faucet is opened, the water flowing into the sleeve member is more than the water flowing out of the sleeve member so that the water accumulates therein and creates turbulence and back pressure, making the resilient adapter more firmly engage with the faucet without easily detaching therefrom. The water under pressure will be injected from the water exit of the sleeve member in fog pattern.Type: GrantFiled: June 28, 1994Date of Patent: February 27, 1996Inventor: Hung-Li Chiu
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Patent number: 5472143Abstract: A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members joined together. In one of the two members are formed one or more nozzle outlets, one or more fluid inlets, and a plurality of channels that form filter passageways. The nozzle outlets discharge fluid jets that impinge on one another to thereby atomize the fluid. Alternatively, an impact element or a vortex-generating structure can be used in the nozzle outlet to atomize the fluid.Type: GrantFiled: September 29, 1993Date of Patent: December 5, 1995Assignees: Boehringer Ingelheim International GmbH, DMW (Technology) Ltd.Inventors: Frank Bartels, Wulf Bachtler, Stephen T. Dunne, Joachim Eicher, Bernhard Freund, William B. Hart, Christoph Lessmoellmann
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Patent number: 5403018Abstract: A water toy includes a basket for receiving a ball therein, and a water mechanism for ejecting the ball from the basket. The water mechanism is operative in a first position for emitting a fine spray of water, and in a second position for emitting an upwardly directed high pressure stream of water for ejecting the ball from the basket.Type: GrantFiled: June 24, 1993Date of Patent: April 4, 1995Assignee: Playskool, Inc.Inventors: Joseph P. Sejnowski, Douglas Schultheis
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Patent number: 5261609Abstract: To improve the oil supply and to prevent retarded dripping of oil from an oil burner nozzle when the burner flame has been extinguished, oil supply members are made of a heat-insulating material and positioned in the interior. The oil supply in the nozzle is provided by a oil filter with one or a plurality of solid porous bodies having narrow oil supply conduits. It has been shown that a porous plastic material, in particular a sintered plastic material, is advantageously suited for this purpose. The nozzle head, which can be screwed directly into the oil pre-heater, may comprise a metal with good heat conducting properties or a ceramic material and, in contrast thereto, the oil supply members submerged into the oil are made of a heat-insulating material.Type: GrantFiled: March 23, 1992Date of Patent: November 16, 1993Inventor: Jacques Roth
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Patent number: 5232165Abstract: Sprinkling device for installation in showers at the outlet of a water pipe is provided with at least one deflector having a plurality of peripheral vanes of a central spindle which is coaxially mounted in a first, preferably cylindrical, inner chamber. The inner chamber is housed in a socket which is tightly screwed into the end of the water pipe, and has a downward extension formed by a second cylindrical or conical inner chamber which opens onto a calibrated nozzle. A perforated outlet plate can be moved towards or away from the nozzle, and forms the front of a concentric sleeve which is slidably mounted around the socket.Type: GrantFiled: June 9, 1992Date of Patent: August 3, 1993Inventor: Pierre Tournier
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Patent number: 5044555Abstract: A self cleaning solenoid controlled water spray nozzle and valve assembly including an adaptor connected at one end to a solenoid actuated valve member and having a nozzle and nozzle flow direction member connected to the opposite end of the adaptor. A cleaning pin is connected to the valve member and extends through the nozzle orifice. In one embodiment the nozzle is integrally formed with the adaptor and the flow direction member is integrally formed on the bottom wall of a cup positioned within the adaptor. In another embodiment the nozzle and associated flow direction member are threadably mounted on the adaptor.Type: GrantFiled: July 23, 1990Date of Patent: September 3, 1991Assignee: Herrmidifier Company, Inc.Inventors: Judy L. Youngeberg, Richard A. Colberg
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Patent number: 5002230Abstract: Disclosed is a valve that is particularly useful in a pressure atomizing nozzle of a heating installation and includes a valve housing in which there is a valve seat with an adjoining valve chamber and a flow passage that opens to a housing outlet. In the valve chamber there is provided a spring for resiliently urging the closure member to seat on the valve seat. The valve chamber has a guide section adjacent the valve seat that is of a transverse cross section corresponding to a transverse cross section of the closure member while the housing and closure member provide a free flow passage to the outlet when the closure member is moved axially away from the valve seat at least a preselected axial distance. The valve is of a construction that ensures that fluid can flow through the valve only after a particular desire pressure has been reached, but immediately after the conveying pressure drops below a predetermined value, fluid can no longer reach the housing outlet.Type: GrantFiled: January 11, 1990Date of Patent: March 26, 1991Assignee: Danfoss A/SInventors: Preben Norskov, Leif B. Bonnerup, Ingvard M. Madsen
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Patent number: 4951878Abstract: 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).Type: GrantFiled: June 23, 1988Date of Patent: August 28, 1990Inventors: Gary L. Casey, Robert A. McArthur
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Patent number: 4877084Abstract: Provided is a device for dissipating, safely and in an environmentally sound manner, a high pressure fluid discharge from a gas well. The device is locatable in an earthen pit and connectable to the end of a discharge conduit. There is an open-bottomed hood having a front wall, a rear wall and curved side and upper wall, with the well discharge conduit connecting through the front wall. Mounted within the hood is a first dissipator tube having a perforated wall and a significantly larger diameter than the discharge conduit, and including a front end connected to the discharge conduit. A deflector plate, having a multitude of perforations, is mounted across this first tube near its open rear end. A second, open-ended dissipator tube has a larger diameter than the first dissipator tube, and an array of apertures in its lower wall.Type: GrantFiled: November 14, 1988Date of Patent: October 31, 1989Inventor: Philip E. Goggin
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Patent number: 4832264Abstract: A rotary sprinkler comprises a nozzle formed with a bore extending through a face thereof defining an outlet orifice through which the water is to exit as an axially-flowing jet; a jet-impinging member supported close to and in alignment with the orifice so as to be impinged by the axially-flowing jet and to reflect same back towards that nozzle face; and a rotor rotatably mounted between the jet-impinging member and the face of the nozzle. The rotor is formed with a bore for accommodating the axially-flowing jet, and is further formed on its surface facing the jet-impinging member with at least one channel extending generally in the radial direction, effective to constrain the water reflected back towards the nozzle face to form at least one laterally-flowing jet, and to rotate the rotor so as to rotate the laterally-flowing jet.Type: GrantFiled: August 20, 1987Date of Patent: May 23, 1989Inventor: Peretz Rosenberg
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Patent number: 4795092Abstract: The present invention provides a means for producing a laminar output of fluid which is substantially turbulence free. The present invention utilizes an input tank or enclosure which includes turbulence reducing and flow straightening devices for producing a turbulent free output flow of water. This enclosure uses a tangential input port to introduce water to the enclosures which results in much more uniform and controllable flow profiles of the water through the device. The entire device may be situated entirely beneath the surface of a pool, pond or fountain, with a clear glass or plastic tube extending above the water level to provide a visibly nonintrusive protective path for the laminar output flow.Type: GrantFiled: July 2, 1987Date of Patent: January 3, 1989Assignee: Wet Enterprises, Inc.Inventor: Mark Fuller
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Patent number: 4736893Abstract: An atomizing nozzle for oil burners that includes a housing having a front wall with an orifice in the front end thereof, a distributor insert abutting against the front wall and a retainer member that abuts against the distributor insert and is retained in place by a housing annular shoulder deformed into a retainer member groove. The retainer member is of a sintered material and includes a retainer element integrally joined to a filter element which extends rearwardly of the housing, the retainer member having a fluid passage opening to the distributor insert and extending rearwardly of the housing.Type: GrantFiled: December 29, 1986Date of Patent: April 12, 1988Assignee: Danfoss A/SInventor: Preben Norskov
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Patent number: 4657186Abstract: A new and improved stream former is provided for attachment to the discharge end of a faucet or the like. The stream issuing from the stream former provides a formed, coherent, non-splash, silent, gentle flow. The stream former includes a sleeve-like casing, of metal or plastic, with an upstream attachment means, and a pair of axially spaced inwardly projecting supports defined on the inner wall of the sleeve-like casing, downstream of the attachment means. A transverse, fine-mesh, support screen is supported on the downstream support. A plastic, cup-shaped, molded transverse member is supported on the upstream support. A plurality of transverse, axial flow holes are provided through the apertured transverse wall of the cup-shaped transverse member. A closely woven, non-shedding, foraminous mat of nylon fibers is positioned between said transverse wall of the upper transverse member and the fine-mesh screen support.Type: GrantFiled: October 4, 1985Date of Patent: April 14, 1987Inventor: Eugene B. Shapiro
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Patent number: 4613079Abstract: A fuel nozzle tip having primary and secondary circuits wherein a disc-shaped filter (54) is clamped against the primary body (12) by a retainer plug (56), and wherein the filter cooperates with the primary body to secure the swirl plug (38) in compression therebetween.Type: GrantFiled: October 25, 1984Date of Patent: September 23, 1986Assignee: Parker-Hannifin CorporationInventor: Robert T. Mains
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Patent number: 4474333Abstract: A filtering nozzle for injection molding purposes comprises two parts (1,9), one of which having a bore (6) and the other one a tubular portion (10) fitting within said bore. The tubular portion has internal, annular and axially spaced grooves and has in its outer, envelope surface a number of substantially axial grooves (18) each having such a depth that it penetrates the wall of the tubular portion at the zones of the tops of the internal grooves thus generating a multitude of openings (19) in said tubular portion. By means of channels (7,8,20,21) the plastic melt is directed through the nozzle such that it passes through said openings (19) of the tubular portion. The nozzle parts are screwed into each other, making assembly and dismantling easy.Type: GrantFiled: July 21, 1982Date of Patent: October 2, 1984Inventor: Hans K. Muller
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Patent number: 4438882Abstract: A nozzle having a nozzle casing with a whirl member positioned therein and which is pressed against the internally conical bottom of the nozzle casing. The fluid fed to nozzle bore is filtered in a filter and then passes into an annular channel. The latter contains a protective member with passage orifices which are at least as large as the passage orifices of the filter. The protective member holds back any particles detached in the filter or nozzle casing and consequently prevents clogging of whirl channels located in whirl member and of the nozzle bore. It is positioned in immediate proximity of the nozzle bore so as to trap the maximum number of particles.Type: GrantFiled: March 8, 1982Date of Patent: March 27, 1984Assignee: Satronic AGInventor: Herbert Frehner
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Patent number: 4384679Abstract: A pressure-jet oil burner nozzle includes a body having a threaded rear connecting socket to connect the nozzle to a pressure oil conduit. The nozzle includes a front nozzle tip connected to the body and having an oil discharge passage, and an insert having a front end provided with grooves disposed in the nozzle body with the front end disposed close to the side of the nozzle tip facing the interior of the body whereby the grooves, together with the inner side of the nozzle tip, define flow passages leading from the nozzle body to the oil discharge passage in the tip.Type: GrantFiled: February 13, 1981Date of Patent: May 24, 1983Inventor: Marian Sikora
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Patent number: 4360156Abstract: In an orifice and nozzle for the passage of fluid which may contain solid particulates as contaminants, the orifice and nozzle includes an opening which is rectangular in a cross-sectional plane perpendicular to the axis of the fluid flow. The rectangular opening has a ratio of minimum width to minimum depth, or vice versa, of less than approximately 1.5, and preferably 1.0, and a ratio of the length of the opening to the lesser of minimum width and minimum depth of the opening of less than approximately 2.0, and preferably 1.0. The rectangular cross section together with these ratios prevents plugging by the solid contaminants.Type: GrantFiled: May 27, 1980Date of Patent: November 23, 1982Assignee: Delavan CorporationInventors: J. Michael Soth, Roy E. Pack, Jr.
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Patent number: 4320875Abstract: A burner nozzle comprises an outer body (21) having a longitudinal hole (21a) therethrough. Screwed into the hole is a pin (27) applying by one of its ends against a vortex body (25) and pressing the latter into contact with the inner front side of a nozzle body (21) having a nozzle orifice (23a). The vortex body (25) is provided with channels which connect an annular cavity (43) surrounding the vortex body (25) to a vortex pocket (45). The pin (27) is provided with an oblong hole (27g) for the fuel supply. In the vicinity of the vortex body (25), this oblong hole (27g) communicates, through radial bores (27h), with another annular cavity (41) which is bounded by the inside surface of the outer body (21) and by an annular groove (27c) provided in the pin (27). The pin portion (27d) extending between the two annular cavities is provided with a circular row of grooves having a sectional area which is smaller than that of the vortex body channels.Type: GrantFiled: January 10, 1980Date of Patent: March 23, 1982Assignee: Institut Straumann AGInventor: Franz Sutter