Patents Examined by Lisa Douglas
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Patent number: 6467699Abstract: Economic production of solid particles from a liquid medium, which involves the liquid medium being formed as a cohesive liquid jet and being divided into defined sections (9′) by a dividing device which is moved continuously in one direction in a cutting plane (8) is achieved, according to the invention, while minimizing cutting or spray losses caused by the dividing of the liquid jet (9), by the fact that a plurality of liquid jets (9) are provided, beneath which a common dividing device (5) is arranged, the liquid jets (9) being inclined with respect to the direction of movement of the dividing device (5) in such a way that each of the liquid jets (9) forms an acute angle (&bgr;) with the direction of movement of the dividing device (5).Type: GrantFiled: October 5, 2000Date of Patent: October 22, 2002Assignee: Klaus-Dieter VorlopInventors: Klaus-Dieter Vorlop, Ulf Pruesse, Juergen Breford
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Patent number: 6464151Abstract: The adjustable arc spray nozzle allows adjustment of the spray arc, the radius, and flow of the water spray provided by the nozzle. The nozzle includes a top member, a base member, and a discharge orifice defined therebetween. A rotatable external upper collar controls the radius of the pattern, an internal helix member controls the arc of the spray pattern, and an internal flow adjustment screw and an optional rotatable external lower collar control the flow of the nozzle.Type: GrantFiled: April 19, 2001Date of Patent: October 15, 2002Inventor: Paul M. Cordua
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Patent number: 6457656Abstract: A pop-up sprinkler includes an outer housing having an inlet passage and an inlet for connection to a source of pressurized fluid. A riser is mounted in the housing for moving from a normally retracted position to an operative extended position in response to fluid pressure. A pressure responsive inlet valve assembly is mounted in the outer housing adjacent the inlet passage and includes a valve seat and a valve member. The inlet valve assembly further includes a velocity control disc that is biased into engagement with the valve seat. The velocity control disc initially meters inlet fluid for limiting a rate of opening of the valve member for controlling flow of fluid through the inlet and extension of the riser to the extended position. The velocity control disc is made of an elastomeric material and is deflectable radially inwardly to accommodate debris.Type: GrantFiled: September 15, 2000Date of Patent: October 1, 2002Assignee: Hunter Industries, Inc.Inventor: Loren W. Scott
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Patent number: 6457657Abstract: The atomizer wheel includes a plurality of ejection apertures distributed over the circumference of an external wall, in which a plurality of inserts are arranged. The inserts each includes a bushing and a wear-resistant lining arranged in the bushing such that a contact surface of the lining abuts against an internal side of the bushing. Each insert is provided with a transition surface extending between an inner end face of the lining and the contact surface, and the transition surface includes at least one portion forming an angle with the contact surface, by which it is possible to direct the flow of the material to be atomized along the transition surface of the lining and farther down to the inner side of the external wall and thus avoid wear on the bushing.Type: GrantFiled: September 1, 2000Date of Patent: October 1, 2002Assignee: Niro A/SInventor: Erling Skov Nielsen
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Patent number: 6457655Abstract: A control system for use in a liquid dispensing system to measure and adjust a liquid spray pattern dispensed from the liquid dispensing system. The control system includes a sensor that detect edges of the liquid spray pattern and, from the detected positions of those edges, is operable to adjust the liquid spray pattern to a pattern width set by the operator. The control system is also operable to measure the width of the liquid spray pattern and the offset of the liquid spray pattern relative to a nozzle centerline of the liquid dispensing system and provide warnings to the operator if those measurements fall outside of acceptable ranges.Type: GrantFiled: September 1, 2000Date of Patent: October 1, 2002Assignee: Nordson CorporationInventors: Michael A. Reighard, Jeffrey Minnich, John P. Byers, Jacques Mycke, Mark van der Heijden
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Patent number: 6454187Abstract: A gardening pistol nozzle has a water emission control structure comprising a handle tube, a water stopping stem, a press key, and a recovery button. As the press key is pressed, the water stopping stem is forced to displace to allow entry of water from the handle tube into a barrel of the pistol nozzle. A continuous control of water emission of a predetermined magnitude is attained by meshing a retaining block of the recovery button into the teeth of a rack of the press key.Type: GrantFiled: May 23, 2001Date of Patent: September 24, 2002Inventor: Hsin-Fa Wang
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Patent number: 6454182Abstract: A snow making machine has at least one flexible hose assembly, with an inner hose connected to a water supply and an outer jacket to receive coolant from a chiller. Ice/snow formed in the inner hose is dislodged by inflating squasher hoses in the outer jacket, and pressurised air fed via a line can assist transport of the dry snow crystals to the end of the hose assembly.Type: GrantFiled: October 18, 2000Date of Patent: September 24, 2002Assignee: Bucceri Technologies Pty Ltd.Inventor: Alfio Bucceri
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Patent number: 6450419Abstract: A liquid atomizer is constructed with a hollow shell-like top cover and a unitary molded main support which snaps into place inside the top cover and divides it into upper and lower regions. The main support includes formations for mounting, on its upper side, a printed circuit board assembly including an electrical oscillator, as well as a piezoelectric actuator and orifice plate pump assembly. The main support also includes formations for removably mounting, on its lower side, a battery and a liquid reservoir. An openable bottom cover closes the bottom of the device and allows access to the battery and to the liquid reservoir for replacement of these elements.Type: GrantFiled: October 27, 2000Date of Patent: September 17, 2002Assignee: S.C. Johnson & Son, Inc.Inventors: Edward J. Martens, III, George A. Clark, Thomas A. Helf, Eric R. Navin, David J. Schram, David A. Tomkins
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Patent number: 6446882Abstract: The invention is a trigger sprayer comprising a tubular nozzle bushing and a nozzle cap rotatable on the bushing. The nozzle cap has an end wall with a first swirl chamber formed on the rear face thereof offset from the axis. Passages to a second chamber are diametrically opposite the first chamber. Both chambers have orifices directed out the front of the cap. The first orifices is surrounded by a foaming sleeve. The second orifice is positioned forward of the first orifice so that the spray cone emanating from the second orifice does not hit the foaming sleeve. The cap can be rotated to connect liquid from the delivery tube to the swirl chamber for one or the other orifices.Type: GrantFiled: February 2, 2001Date of Patent: September 10, 2002Assignee: Owens-Illinois Closure Inc.Inventors: Stephen A. Dukes, George R. Trepina, Gennaro R. Martire, Wing-Kwong Keung
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Patent number: 6439482Abstract: A fuel injection system capable of improving the degree of atomization and the combustibility of a fuel, including a fuel swirler, a valve seat having a fuel injection port, an annular fuel swirl chamber formed between the fuel swirler and a valve seat and communicating with plural swirl grooves and a fuel injection port, and a valve body adapted to be moved forward and backward in the interior of the fuel swirler in the axial direction thereof and thereby disengaged from and engaged with the valve seat to open and close a communication passage between the fuel swirl chamber and fuel injection port. Let S1, S2 and S3 equal a minimum cross-sectional area of an opening between the valve body and valve seat in the condition in which the communication passage is fully opened, an area of a cross section of the fuel injection port which is perpendicular to the axis thereof, and an average cross-sectional area of a fuel flow in the fuel injection port, respectively.Type: GrantFiled: April 16, 2001Date of Patent: August 27, 2002Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Keita Hosoyama, Norihisa Fukutomi, Mamoru Sumida
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Patent number: 6439479Abstract: A valve arrangement for distributing or spreading a two-component binder system, comprising a distribution pipe (1) which is intended to be carried by a vehicle and which extends transversely to the movement direction of said vehicle, wherein a first binder component is intended to be conducted through a first conduit or line (101) which includes the pipe (1), wherein a plurality of first valves (60) are connected to the pipe (1) at mutually spaced positions along the length of said pipe and function to deliver the first binder component to distribution nozzles (14) connected to a respective first valve (60), wherein a second conduit or line (313, 26; 313, 35, 36) with an associated second valve (120) for the second binder component connects to each first nozzle (14), and wherein each first valve (60) includes a valve member (6) which is carried by a valve spindle (4) that can be moved to and from a position in which the valve member blocks the first component flow via a valve seat (19, 7) which connects withType: GrantFiled: December 8, 1999Date of Patent: August 27, 2002Assignee: Aplicator System ABInventor: Peder Jönsson
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Patent number: 6435423Abstract: The present invention is drawn to a device for perfuming ambient air or closed spaces. The said device comprises water or an appropriate hydrophilic solvent containing said volatile active ingredient and an absorbing material chosen from superabsorbents, starch based systems, chemically modified cellulose and natural gum and which are capable of forming a gel with water or said hydrophilic solvent, both components being adapted to be mixed with each other in order to achieve the diffusion of said volatile ingredient from the said gel. The components are mixed with each other to form said gel from which the perfume or a deodorizing or sanitizing agent, or an insect repellent, diffuses uniformly and over a prolonged period of time into the surrounding air.Type: GrantFiled: April 19, 2001Date of Patent: August 20, 2002Assignee: Firmenich SAInventors: Simon Hurry, Jonathan L. Williams
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Patent number: 6435428Abstract: There is disclosed a showerhead apparatus for radical-assisted deposition including a showerhead of a two-stair structure separated by a given distance, which has a first buffer for uniformly distributing a raw material gas and a second buffer for uniformly distributing a plasma gas, wherein a plasma is generated within the showerheads and the raw material gas sprayed into the plasma is constantly maintained, thus forming a uniform thin film on a wafer or a substrate.Type: GrantFiled: February 2, 2001Date of Patent: August 20, 2002Assignee: Apex Co., Ltd.Inventors: Jae Ho Kim, In Chel Shin, Sang Joon Park, Kwan Goo Rha, Sang Ho Kim
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Patent number: 6435429Abstract: A fuel injector, in particular an injector for high-pressure fuel injection systems in internal combustion engines, has a valve closing body which works together with a valve seat face provided on a valve seat carrier to form a seal seat. Furthermore, a housing body which is part of a valve housing is also provided. A stroke adjusting disk determines the distance between the housing body and the valve seat carrier. According to the present invention, the stroke adjusting disk is arranged so that it surrounds a spray end of the housing body on the outside peripherally.Type: GrantFiled: August 31, 2000Date of Patent: August 20, 2002Assignee: Robert Bosch GmbHInventors: Andreas Eichendorf, Thomas Sebastian
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Patent number: 6427931Abstract: A sprayer gun includes a handle and a valve stem slidably received in the rear portion. A stop is secured to the valve stem and engaged with the handle, and has one or more ratchet teeth. A spring lever has one end secured to the handle and has a number of ratchet teeth for engaging with the ratchet teeth of the stop and for preventing the stop from being moved forward relative to the spring lever. The water is thus allowed to continuously flow out of the sprayer gun without continuously depressing the control hand grip toward the handle by the the ratchet teeth.Type: GrantFiled: August 16, 2001Date of Patent: August 6, 2002Inventor: Wen Li Guo
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Patent number: 6422483Abstract: A vehicle-borne spray boom apparatus has multiple articulated sections that are foldable and individually supported with respect to the ground to maintain a consistent and optimal distance between the boom sections and the ground on hilly and uneven terrain. A center section of the boom is mounted on a forward facing frame element of the vehicle, and boom arms extending from either end of the center section each comprise at least first and second sections, each supported by a ground-engaging wheel. Each first section is coupled at one end to the center section to permit vertical inclination with respect to the center section, and each second section is coupled at one end to a respective first section to permit vertical inclination with respect to such first section.Type: GrantFiled: November 28, 2000Date of Patent: July 23, 2002Assignee: Yocom L.L.C.Inventors: Ross E. Yocom, Roger E. Yocom
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Patent number: 6422485Abstract: A pistol nozzle is designed to emit a compressed fluid and is formed of a main body and a telescopic barrel set. The main body is provided with a trigger, a retaining hook, a fluid emitting end, and a fluid admission end which is fastened to a fluid pipe. The telescopic barrel set is fastened to the fluid emitting end of the main body and is formed of a fastening mount, a plurality of telescopic tubes, a plurality of stop members, and a plurality of washers. The fastening mount is fastened at one end to the fluid emitting end of the main body and is provided at the opposite end to a stepped and threaded portion. The telescopic tubes are fastened at the base end thereof to the stepped and threaded portion of the fastening mount at such time when they are collapsed together. The telescopic tubes are extended in conjunction with the stop members and the washers.Type: GrantFiled: December 4, 2000Date of Patent: July 23, 2002Inventor: Chao-Te Hsu
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Patent number: 6422320Abstract: A system and method for misting a liquid agent to be used for fire suppression and inertion or explosion suppression and inertion are provided. The system includes a container of pressurized liquid agent, a way to convey a stream of the agent to a discharge nozzle, and a way to introduce pressurized gas to the stream of agent.Type: GrantFiled: October 2, 2000Date of Patent: July 23, 2002Assignee: University of New MexicoInventors: Joseph Douglas Mather, Joe Lifke, Ted Moore
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Patent number: 6415990Abstract: A hand-held, pneumatically propelled, metering dispenser for powdered or granular products such as pesticides, the dispenser having a manually operated pneumatic pump, a product canister, a metering scoop insertable into the product canister in operative alignment with the pneumatic pump, and a discharge line into and through which powder or granules supported in the scoop are blown by operation of the pneumatic pump.Type: GrantFiled: September 8, 2000Date of Patent: July 9, 2002Assignee: NCH CorporationInventor: Dale Vilmer Kiplinger
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Patent number: 6412707Abstract: A portable backpack sprayer for spraying liquid chemicals such as pesticides, fungicides, and fertilizers having a large storage tank in which is mounted a pressure vessel. A manually actuated pumping assembly is connected with the bottom portion of the pressure vessel and also with the bottom portion of the tank. The pumping assembly comprises a reciprocating piston to draw liquid from the storage tank and pressurize it within the pressure vessel. The operator may discharge the pressurized liquid using a hose and a control valve affixed to the pressure vessel. The pumping assembly further comprises a double-walled piston and a leak barrier to collect any liquid that may leak from the piston. The reciprocating action of the piston is utilized to return the leaked liquid to the storage tank via a return siphon.Type: GrantFiled: February 6, 2001Date of Patent: July 2, 2002Inventor: Pedro Wirz