Having Changing Cross Section Patents (Class 406/195)
  • Patent number: 10335971
    Abstract: A distributor valve for a hydrocutting system. The valve automatically diverts a flow of liquid and solid food products flowing from a source to one or both of two destinations. An entry conduit receives the suspended food products in liquid, and an angled plate deflects the food products downwardly. The food products and liquid enter a drum that is perpendicular to the entry conduit, causing rotational circulation in the drum. The food products and liquid flow into one or both of two longitudinally opposite outlets, depending on whether the path downstream of the outlets is flowing. Upon actuation of a valve on one side, or essentially complete blockage of one side, the fluid and products flow to the other side automatically. No moving parts are needed in the valve to change the flow path; the only change is to the flow downstream, which automatically affects the flow in the valve.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: July 2, 2019
    Assignee: Vanmark Equipment LLC
    Inventors: Colter J. Young, Christopher Paul Hebbeln
  • Patent number: 8839712
    Abstract: A transfer mechanism for transferring food product from a compartment of a food processing system includes a conduit having a first end portion configured to be in communication with the compartment and a second end portion, a fluid discharge positioned substantially within the conduit between the first end portion and the second end portion, and a pressurized fluid source in communication with the fluid discharge. The pressurized fluid source is operable to propel a fluid through the fluid discharge to move the food product from the first end portion of the conduit toward the second end portion.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: September 23, 2014
    Assignee: Lyco Manufacturing, Inc.
    Inventors: Glenn W. Stousland, David R Zittel, Daniel D. Maupin, Steve J. Schultz, Scott K. Weisman
  • Patent number: 8834074
    Abstract: The present application provides a back mixing device for use with a pneumatically conveyed flow of solids having a varying flow rate. The back mixing device may include a nozzle, a chamber in communication with the nozzle, and an exit. The chamber may include an expanded area leading to a restriction such that the chamber creates a recirculation pattern in the flow of solids so as to smooth the varying flow rate though the back mixing device.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: September 16, 2014
    Assignee: General Electric Company
    Inventor: Thomas Frederick Leininger
  • Patent number: 8828242
    Abstract: A system for dewatering a stream of slurry has a first and a second separator. The first separator removes objects above a first size, to produce a stream of primary treated slurry. The second separator removes objects above a second size from the primary treated stream, the second size being smaller than the first size. Optionally, a third separator removes objects above a yet smaller third size from the stream of secondary treated slurry. The first separator has a plurality of sieve mat supports alternately connected to a main support frame section and a movable support frame section so that the flexible sieve mat can be agitated by the movable support frame section, a collector being provided for collecting the primary treated slurry passing through the flexible sieve mat. In an optional step, water contained in the separated solids is removed.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: September 9, 2014
    Assignee: Genesis Fluid Solutions, Ltd
    Inventors: Michael K. Hodges, Larry D. Campbell
  • Patent number: 8807879
    Abstract: Various systems, methods, and devices are provided for focusing particles suspended within a moving fluid into one or more localized stream lines. The system can include a substrate and at least one channel provided on the substrate having an inlet and an outlet. The system can further include a fluid moving along the channel in a laminar flow having suspended particles and a pumping element driving the laminar flow of the fluid. The fluid, the channel, and the pumping element can be configured to cause inertial forces to act on the particles and to focus the particles into one or more stream lines.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 19, 2014
    Assignee: The General Hospital Corporation
    Inventors: Mehmet Toner, Dino Dicarlo, Jon F. Edd, Daniel Irimia
  • Patent number: 8678200
    Abstract: A system for dewatering a stream of slurry has a first and a second separator. The first separator removes objects above a first size, to produce a stream of primary treated slurry. The second separator removes objects above a second size from the primary treated stream, the second size being smaller than the first size. Optionally, a third separator removes objects above a yet smaller third size from the stream of secondary treated slurry. The first separator has a plurality of sieve mat supports alternately connected to a main support frame section and a movable support frame section so that the flexible sieve mat can be agitated by the movable support frame section, a collector being provided for collecting the primary treated slurry passing through the flexible sieve mat. In an optional step, water contained in the separated solids is removed.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: March 25, 2014
    Assignee: Genesis Fluid Solutions, Ltd
    Inventors: Michael Kent Hodges, Larry D. Campbell
  • Publication number: 20130287505
    Abstract: A noise reduction unit for inserting in a vacuum suction drain is adapted to be flown through by a material to be conveyed through the vacuum suction drain and comprises an inlet section with a first diameter, a middle section with a second diameter and an outlet section with a third diameter. The middle section is adapted to affect a flow velocity reduction of the material to be conveyed such that the noise level arising during the conveying process is being reduced.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 31, 2013
    Applicant: AIRBUS OPERATIONS GMBH
    Inventors: Christian Seibt, Matthias Mueller
  • Patent number: 8529161
    Abstract: A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for focusing the sample within the sheath fluid and a secondary focusing region for providing additional focusing of the sample within the sheath fluid. The secondary focusing region may be formed by a flow channel intersecting the primary sheath flow channel to inject additional sheath fluid into the primary sheath flow channel from a selected direction. A sheath flow system may comprise a plurality of sheath flow structures operating in parallel on a microfluidic chip.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: September 10, 2013
    Assignee: Cytonome/ST, LLC
    Inventors: John R. Gilbert, Manish Deshpande, Bernard Bunner
  • Patent number: 8419072
    Abstract: An elbow has an elongated inlet, an elongated outlet tube that merges with the inlet at a shallow angle, and an endwall opposite the inlet. The round inlet receives product and leads to a first chamber with a rounded bottom. Opposite the bottom, the inlet has a pitch at the transition to the outlet tube. The outlet tube continues upwardly from the pitch to an exit. Within the outlet, a third chamber extends from the first chamber. The first chamber and the third chamber intersect at the second chamber that provides a transition to the flow of product from the first chamber to the angle of the third chamber. Within the second chamber, conveyed product forms a shallow eddy so that additional product flows over the eddy enroute to the outlet.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: April 16, 2013
    Assignee: Bulk Tank, Inc.
    Inventor: David E. Sisk
  • Patent number: 8398340
    Abstract: A method of extracting the contents from the inside of a reactor kept at high temperature and high pressure includes the steps of introducing the contents of the reactor into a pipe having an internal space which communicates with the reactor, closing the pipe to enclose the contents in the internal space, removing unnecessary gas from the internal space, and supplying an inert gas to the internal space, thereby replacing the contents enclosed in the internal space with the inert gas. The contents are discharged from the internal space by replacing the contents enclosed in the internal space with the inert gas.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: March 19, 2013
    Assignees: Nippon Steel Engineering Co., Ltd., Japan Oil, Gas and Metals National Corporation, Inpex Corporation, JX Nippon Oil & Energy Corporation, Japan Petroleum Exploration Co., Ltd., Cosmo Oil Co., Ltd.
    Inventors: Yasuhiro Onishi, Yuzuru Kato, Atsushi Murata, Eiichi Yamada
  • Patent number: 8382401
    Abstract: A braking device and method is provided that is operative to selectively slow and/or stop a pneumatic carrier within a pneumatic carrier system. Generally, the device includes a pneumatic tube that is sized to permit the passage of pneumatic carriers. The pneumatic tube includes at least one braking element that may be disposed into the bore of the pneumatic tube to at least partially impede the passage of a pneumatic carrier through the bore. In one embodiment, the braking element is formed as a variable diameter section of the pneumatic tube that may be selectively constricted to change the diameter of the bore of the pneumatic tube. Such constriction may slow and/or stop the passage of a pneumatic carrier through the bore of the pneumatic tube.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: February 26, 2013
    Assignee: Translogic Corporation
    Inventors: Raymond Anthony Castro, Chad David Cornelius, Kenneth Michael Hoganson, James Joseph Podracky, Robert Paul Trenconsky
  • Patent number: 8251406
    Abstract: A discharge elbow provided with guide vanes includes an elbow of rectangular cross section and magnification f of 1<f?5, one or more guide vanes disposed in the elbow, wherein the guide vane or the guide vanes are made of a curved plate and a pair of flat plates connected to the curved plate. One of the flat plates is located in front of the curved plate and the other is located to the rear of the curved plate. M-number of sub-channels similar to one another are formed in the elbow based on particular formulas, wherein the inner sidewall of the elbow is deformed into a curved plate coaxial with the curved plate of the adjacent guide vane to deform n=1 sub-channel into a coaxial bend channel provided with a uniform breadth equal to the inlet breadth b1 of the sub-channel.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: August 28, 2012
    Assignee: Kawano Giken Co., Ltd.
    Inventor: Michihiko Kawano
  • Patent number: 8186913
    Abstract: Various systems, methods, and devices are provided for focusing particles suspended within a moving fluid into one or more localized stream lines. The system can include a substrate and at least one channel provided on the substrate having an inlet and an outlet. The system can further include a fluid moving along the channel in a laminar flow having suspended particles and a pumping element driving the laminar flow of the fluid. The fluid, the channel, and the pumping element can be configured to cause inertial forces to act on the particles and to focus the particles into one or more stream lines.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: May 29, 2012
    Assignee: The General Hospital Corporation
    Inventors: Mehmet Toner, Dino DiCarlo, Jon Edd, Daniel Irimia
  • Patent number: 8006613
    Abstract: A transfer mechanism for transferring food product from a compartment of a food processing system includes a conduit having a first end portion configured to be in communication with the compartment and a second end portion, a fluid discharge positioned substantially within the conduit between the first end portion and the second end portion, and a pressurized fluid source in communication with the fluid discharge. The pressurized fluid source is operable to propel a fluid through the fluid discharge to move the food product from the first end portion of the conduit toward the second end portion.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 30, 2011
    Assignee: Lyco Manufacturing, Inc.
    Inventors: Glenn W. Stousland, David R. Zittel, Daniel D. Maupin, Steve J. Schultz, Scott K. Weisman
  • Patent number: 7997831
    Abstract: A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for focusing the sample within the sheath fluid and a secondary focusing region for providing additional focusing of the sample within the sheath fluid. The secondary focusing region may be formed by a flow channel intersecting the primary sheath flow channel to inject additional sheath fluid into the primary sheath flow channel from a selected direction. A sheath flow system may comprise a plurality of sheath flow structures operating in parallel on a microfluidic chip.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: August 16, 2011
    Assignee: Cytonome/St, LLC
    Inventors: John R. Gilbert, Manish Deshpande, Bernard Bunner
  • Patent number: 7785043
    Abstract: The invention relates to an apparatus for controlling the distribution of particles in dust or granule form in one or a plurality of carrier gas streams. The invention further relates to the use of an apparatus in a conveying pipe. An advantageous adaptation of the volumetric flow within the individual flow cross sections is achieved with the invention, so that in particular no channeling can occur, which has favorable effects for a specified material flow rate or material flow rate control particularly in coal-fired power plants. The apparatus according to the invention is furthermore very simple in construction and requires few components.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 31, 2010
    Inventor: Guido Gerhard Ulf Elsen
  • Publication number: 20090304463
    Abstract: A method for releasing flowable material via an automated means from a receptacle which has at least one closed end, characterised by the steps of locating the receptacle in a defined position relative to a receptacle opening mechanism, and opening the receptacle with the receptacle opening mechanism, the method characterised in that the receptacle is positioned such that it is opened substantially below the bulk of the material in the receptacle. Also disclosed is a method of releasing flowable material via an automated means from a receptacle which has at least one closed end, characterised by the steps of locating the receptacle in a defined position relative to a receptacle opening mechanism, and opening the receptacle with the receptacle opening mechanism, the method characterised in that the flowable material within the receptacle is fluidised.
    Type: Application
    Filed: August 11, 2006
    Publication date: December 10, 2009
    Applicant: Powder Projects Limited
    Inventors: Jeffery Robert Dance, Richard John Miles
  • Patent number: 7611309
    Abstract: A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for focusing the sample within the sheath fluid and a secondary focusing region for providing additional focusing of the sample within the sheath fluid. The secondary focusing region may be formed by a flow channel intersecting the primary sheath flow channel to inject additional sheath fluid into the primary sheath flow channel from a selected direction. A sheath flow system may comprise a plurality of sheath flow structures operating in parallel on a microfluidic chip.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: November 3, 2009
    Assignee: Cytonome/ST, LLC
    Inventors: John R. Gilbert, Manish Deshpande, Bernard Bunner
  • Patent number: 7413387
    Abstract: A pneumatic distributor of granular and/or powdery materials includes a main distribution duct having a first end in the region of which an air-flow is injected into the duct under pressure, and a second end. The main duct includes respective adjacent converging-diverging portions, with reference to the direction of the air-flow, defining a Venturi duct. A dosing device is provided for delivering a metered quantity of material into the main duct in the region of the narrow cross-section of the Venturi duct, for the mixing of the material into the air-flow and the entrainment of the mixture obtained towards the second end. The distributor includes at least one auxiliary duct, bypassing the Venturi duct, in order to connect a section of the main duct disposed upstream of the Venturi duct to a section of the main duct disposed downstream of the Venturi duct.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: August 19, 2008
    Assignee: Gaspardo Seminatrici S.P.A.
    Inventor: Peter Pleyer
  • Patent number: 7311476
    Abstract: A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for focusing the sample within the sheath fluid and a secondary focusing region for providing additional focusing of the sample within the sheath fluid. The secondary focusing region may be formed by a flow channel intersecting the primary sheath flow channel to inject additional sheath fluid into the primary sheath flow channel from a selected direction. A sheath flow system may comprise a plurality of sheath flow structures operating in parallel on a microfluidic chip.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: December 25, 2007
    Assignee: Cytonome, Inc.
    Inventors: John R. Gilbert, Manish Deshpande, Bernard Bunner
  • Patent number: 7300074
    Abstract: An elbow fitting is used in a pneumatic product conveying system in which the fitting expands from the inlet pipe along the outer side of the elbow fitting to enable a layer of accumulated product particles to be formed so as to move at a lower velocity than the velocity of the incoming product stream while establishing a moving contact surface for deflecting incoming product particles toward the outlet pipe with a minimum of pressure resistance and product attrition. The accumulated product particles are discharged from the elbow fitting by incorporating a step in the outer surface of the elbow fitting to create a Bernoulli effect causing the accumulated product particles to enter the air flow after the incoming flow of product particles has ceased. The particles in the accumulated layer are replenished from the incoming flow during operation of the elbow fitting.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: November 27, 2007
    Assignee: Pelletron Corporation
    Inventor: Jerome I. Paulson
  • Patent number: 7296952
    Abstract: A modular slider feeder tube system comprising first and second feeder tubes having respective ends that are coupled by a tube coupling device. Each of the first and second feeder tubes is made of resilient material and comprises a respective channel having a profile that is asymmetric and substantially constant along the lengths of the channels. The tube coupling device also comprises a channel, via which channel the channel of the first feeder tube communicates with the channel of the second feeder tube. Each of the channels maintains the orientation of each slider passing therethrough so that the same end of the slider is always in the lead.
    Type: Grant
    Filed: August 28, 2004
    Date of Patent: November 20, 2007
    Assignee: Illinois Tool Works Inc.
    Inventor: Ronald Cortigiano, Sr.
  • Patent number: 7052213
    Abstract: A hydraulic accelerator tube is provided for an improved hydraulic food cutting assembly. The accelerator tube is formed of polyurethane having a durometer hardness within the range of 20–70. It is encased within a clamshell housing which, when installed in the food cutting assembly, locks in position an inlet flange and an outlet flange which are formed integrally with the accelerator tube. Stiffening ribs are provided and are also formed integrally with the accelerator tube.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: May 30, 2006
    Inventor: George A. Mendenhall
  • Patent number: 7021870
    Abstract: Process and device for the transport of granular solids with a controlled flow rate, in particular for the transport of catalyst in a hydrocarbon reforming unit. The device comprises a gravity-feed pipe (A) for solid particles in the dense phase, a pneumatic transport pipe (C) in the dilute phase, and an inclined transfer pipe (B) that connects, without a buffer space, the base of the feed pipe to the pneumatic transport pipe, whereby this transfer pipe comprises means (17, 18, 35) for injection of a secondary gas located at the junction between the feed pipe and the transfer pipe.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: April 4, 2006
    Assignee: Institute Francais du Petrole
    Inventors: Damien Gille, Patrice Font
  • Patent number: 7014392
    Abstract: The present invention is directed to a device for pneumatic or hydraulic conveying of dusty, powdery or granular bulk material. The device includes a conveyor line, an inner pipe in the conveyor line that is parallel to the axis and preferably eccentric. The inner pipe has openings at intervals and flow resistors within itself, which have an upstream side plane and a downstream side plane in the region of the openings. As a result, outlet openings into the conveyor line and entrance openings into the inner pipe are formed for the conveying medium, characterized in that the upstream side plane forms an angle (?)<90° with the axis (14) of the inner pipe (2) and deflects the striking conveying stream towards the outlet opening (20, 20a, 20b).
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: March 21, 2006
    Assignee: MOLLER Materials Handling GmbH
    Inventors: Carsten Duwe, Klaus Von Geldern
  • Patent number: 6951354
    Abstract: An elbow fitting for use in a pneumatic product conveying system expands from the inlet pipe along the outer side of the elbow fitting and contracts along the outer side of the fitting toward the outlet pipe for guiding product particles into the outlet pipe. The expanded structure of the elbow fitting defines a generally triangularly shaped configuration that provides a wide surface over which an accumulated layer of product particles moves at a lower velocity than the velocity of the incoming product stream. The accumulation layer of product forms a moving contact surface for deflecting incoming product particles toward the outlet pipe with a minimum of pressure resistance and product attrition. The configuration of the expanded elbow fitting provides a slowly moving layer of accumulated product particles due to the law of gravity and Bernoulli's Law.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: October 4, 2005
    Assignee: Pelletron Corporation
    Inventor: Jerome I. Paulson
  • Patent number: 6811358
    Abstract: A material feed apparatus 34 for influencing the travel properties of a feed stream of material 42 moving between a pulverizer 14 and a furnace 12 includes a feed path 36 passing through an upstream passage periphery UPZ. The feed path 36 includes one duct 44A having a branch entry 66A and another branch duct 44C having a branch entry 66C both downstream of the upstream passage periphery UPZ through which the feed stream of the material 42 travels in two segregated portions. A Y-axis drive assembly 58 and the X-axis drive assembly 62 move the nozzle 52 relative to the reference axis RA, whereupon the upstream passage periphery UPZ moves relative to the reference axis RA such that the travel properties of the one portion of material in the one branch duct 44A are different than its travel properties before the movement of the upstream passage periphery UPZ.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: November 2, 2004
    Assignee: Alstom Technology Ltd
    Inventors: Wesley P. Bauver, Brian P. DeMarey, William R. Hocking, Xavier R. Ollat
  • Patent number: 6749374
    Abstract: A pneumatic conveying system for conveying particulate material through a conduit that creates a strong laminar flow of materials and air surrounded by a boundary layer flow of air, such that long transport distances through dramatic elevation and directional changes can be achieved. Embodiments of the system include a blower assembly, an inlet conduit, an outlet conduit and a mixing chamber, wherein the mixing chamber includes an outer barrel, an inner barrel and an accelerating chamber. Low pressure air is supplied to the system by the blower assembly and mixed with particulate material. The air/material mixture is transported through the mixing chamber into the accelerating chamber and through the outlet conduit. In other preferred embodiments, the particulate material is mixed with the air in the accelerating chamber.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: June 15, 2004
    Assignee: Ecotechnology, Ltd.
    Inventors: Darin L. Lane, Walter D. Prince
  • Patent number: 6736573
    Abstract: A selective conveying device is disclosed for conveying unstable articles, such as plastic bottles, having a neck portion with a neck ring thereon. Neck ring supported unstable articles are conveyed in single file along an article conveying path established by first and second guide units with the guide units having spaced connectors with neck ring engagable elements thereon spaced different distances from one another to receive the neck portions of unstable articles having different size neck portions. A first actuator, such as a pneumatic or mechanical actuator, causes relative movement between the guide units so that unstable articles are conveyed along the article conveying path on the neck ring engagable portions of the first guide unit when in a first operating position or are conveyed along the article conveying path on the neck ring engagable portions of the second guide unit when in a second operating position.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: May 18, 2004
    Assignee: Goldco Industries, Inc.
    Inventor: Donald J. Simkowski
  • Patent number: 6663325
    Abstract: A transport system for a spherical object. The transport system has a supply of a first fluid and a passageway for communication of a spherical object in a path between an inlet and an outlet. At least part of the passageway is bounded by a first tube having a first annular wall with at least one opening through the first annular wall. The first tube guides flow of a spherical object in the first fluid from the inlet towards the outlet. The transport system further includes a source of vacuum in communication with the passageway through the at least one opening through the first annular wall. The source of vacuum produces a low pressure region which causes the first fluid in the passageway to be drawn from the passageway through the at least one opening through the first annular wall. The transport system further includes a supply of a second fluid which is in communication with a spherical object moving between the inlet and the outlet.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: December 16, 2003
    Assignees: Mitsui High-Tec, Inc., Nippon Pneumatics/Bluidics System Co., Ltd., Ball Semiconductor Inc.
    Inventors: Shuho Kai, Takashi Kanatake, Tashirou Arai, Kiyoshi Horii
  • Patent number: 6648558
    Abstract: Particulate material entrained in pressurized gas such as compressed air is conveyed from a pressure vessel to a discharge vessel through a conveyor duct. The discharge end of the duct is fitted with a flow restrictor producing a discrete constriction of the flow discharging from the duct into the vessel with the result that the pressure drop along the main part of the duct is reduced so that lower velocities can be maintained within the duct.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: November 18, 2003
    Assignee: Birrus International PTY Ltd.
    Inventor: Paul Shultz
  • Patent number: 6581534
    Abstract: A pneumatic agricultural particulate material delivery system for delivering agricultural particulate material to a growing medium is disclosed. The delivery system includes a particulate material supply chamber, a furrow opening device configured to create a furrow in the growing medium, a plurality of tubes providing an interior passage extending from the particulate material supply chamber to an outlet proximate the furrow opening device and a pneumatic pressure source pneumatically coupled to the interior passage to supply pressurized air to the interior passage to move material within the interior passage. The plurality of tubes includes an end-most material delivery tube providing the outlet. The end-most material delivery tube includes a plurality of openings extending therethrough in communication with the interior passage. In one exemplary embodiment, the plurality of openings are louvered so as to extend at a downward angle towards the outlet.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: June 24, 2003
    Assignee: Case, LLC
    Inventor: Bradley J. Meyer
  • Patent number: 6582160
    Abstract: The hopper tee provides increased material flow rates and includes a first hollow pipe section having an upper end and an opposite lower end, the upper end including an inlet opening for connecting to a discharge opening of a hopper for receiving material contained in the hopper therethrough, and an interior cylindrical side wall forming an internal passage connecting the inlet opening to the lower end for flow of the material thereto.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: June 24, 2003
    Inventors: Eddie W. Campbell, Thomas J. Mueller
  • Patent number: 6454495
    Abstract: Rod-shaped articles of the tobacco processing industry are advanced lengthwise in a conduit by a first air flow. Blasts of compressed air are admitted into the conduit behind successive articles to promote their advancement in a larger-diameter arcuate section of the conduit, particularly from a lower level to a higher level. The admission of successive blasts of compressed air is carried out by an open-and-shut valve which receives signals from an article detector located downstream of the valve.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: September 24, 2002
    Assignee: Hauni Maschinenbau Aktiengesellschaft
    Inventor: Thomas Meins
  • Patent number: 6443671
    Abstract: The invention is a pneumatic delivery line of a type used for distributing seeds or fertilizer. The pneumatic delivery line is guided to the distributor in an essentially vertical manner. The delivery line includes a flat tube bend at some point along its length. The delivery line may have an unevenly constructed inner wall.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: September 3, 2002
    Inventor: Helmut Weiste
  • Patent number: 6443670
    Abstract: Powder-coating equipment comprises two throttles (6, 16) each mounted in one of a conveyance-air line (8) and a supplemental-air line (18). The throttles' flow impedance’ are adjustable in a motorized manner by providing throttle with its own adjustment motor (4, 14). The adjustment motors, such as electric stepping motors and/or servo-motors are driven by an electronic control unit (2).
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: September 3, 2002
    Assignee: ITW Gema AG
    Inventors: Gerald Haas, Hans Peter Michael
  • Patent number: 6390737
    Abstract: A cross block for use in a pneumatic conveying system. The pneumatic conveying system includes a substantially enclosed plenum and at least two bottle neck support means to support the neck of bottles or containers suspended from the plenum. The cross block comprises a frame member having means to maintain the bottle neck support means in a generally parallel and co-planer relationship to thereby help maintain the vertical alignment of bottles or containers when suspended by the bottle neck support means and transported along the conveying system.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: May 21, 2002
    Inventor: David A. Farquhar
  • Patent number: 6367396
    Abstract: A pneumatic agricultural particulate material delivery system for delivering agricultural particulate material to a growing medium is disclosed. The delivery system includes a particulate material supply chamber, a furrow opening device configured to create a furrow in the growing medium, a plurality of tubes providing an interior passage extending from the particulate material supply chamber to an outlet proximate the furrow opening device and a pneumatic pressure source pneumatically coupled to the interior passage to supply pressurized air to the interior passage to move material within the interior passage. The plurality of tubes includes an end-most material delivery tube providing the outlet. The end-most material delivery tube includes a plurality of openings extending therethrough in communication with the interior passage. In one exemplary embodiment, the plurality of openings are louvered so as to extend at a downward angle towards the outlet.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: April 9, 2002
    Assignee: Case Corporation
    Inventor: Bradley J. Meyer
  • Patent number: 6354789
    Abstract: An apparatus for feeding semiconductor chips has a structural body having grooves which serve respectively as parallel feed paths for semiconductor chips, the feed paths corresponding to respective quality levels of the semiconductor chips, the structural body being made of partially stabilized zirconia. A stopper mechanism for temporarily stopping semiconductor chips fed along the feed paths comprises piezoelectric bodies disposed in the feed paths in front of terminal walls of the feed paths. A counter mechanism for counting semiconductor chips fed along the feed paths have electrodes disposed in the feed paths near the terminal walls. The apparatus serves as a feed system for floating articles with ejected air and feeding the floated articles, and lends itself to being automatized.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: March 12, 2002
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukihisa Takeuchi, Hiroyuki Tsuji, Takao Ohnishi
  • Patent number: 6290266
    Abstract: A suction elbow is divided in a plurality of sub-channels similar to each other by one or more guide vanes made of a curved plate and flat plates connected to the curved plate based on the following formulas.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: September 18, 2001
    Inventor: Michihiko Kawano
  • Publication number: 20010014258
    Abstract: An improved conveyor tube and distribution header for air conveyors such as air seeders serves to distribute seed and/or fertiliser products from the aircart to individual delivery tools via pneumatic conveyor tubes. The apparatus is adapted to achieve substantially even distribution of the materials being conveyed to each of the delivery tools. The apparatus includes a conveyor tube for conveying air-entrained material from a first location to a distribution head, which conveyor tube has an interior surface with a plurality of inwardly directed spaced apart projections which are disposed in spaced annular rows extending around the lengthwise axis of the tube for creating controlled turbulence in the flow of material. These projections are arranged in a particular manner to achieve the desired degree of turbulence.
    Type: Application
    Filed: December 29, 2000
    Publication date: August 16, 2001
    Inventors: Robert Poncelet, Russell James Memory, Hughie Douglas Kydd, Montgomerie Blair Summach
  • Patent number: 6234722
    Abstract: An ejector mountable on a planar wall of a housing for gathering and conveying particulate material to within such housing generally consisting of a flat base plate segment mountable on such planar wall member, a first set of flat plates joined together and with the base plate segment defining a converging fluid passageway, a second set of flat plate segments joined together and with the first set of plate segments and the base plate segment defining a restricted fluid passageway communicating with the converging fluid passageway and a third set of flat plate segments joined together and with the second set of plate segments and the base plate segment defining a diverging fluid passageway communicating with the restricted fluid passageway, one of the plate segments having a first inlet opening through which a stream of pressurized fluid may be injected into the converging and restricted fluid passageways, one of the plate segments having a second inlet opening through which fluid may be suctioned by a negativ
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: May 22, 2001
    Inventor: John W. Pfeiffer
  • Patent number: 6227770
    Abstract: An improved conveyor tube and distribution header for air conveyors such as air seeders serves to distribute seed and/or fertilizer products from the aircart to individual delivery tools via pneumatic conveyor tubes. The apparatus is adapted to achieve substantially even distribution of the materials being conveyed to each of the delivery tools. The apparatus includes a conveyor tube for conveying air-entrained material from a first location to a distribution head, which conveyor tube has an interior surface with a plurality of inwardly directed spaced apart projections which are disposed in spaced annular rows extending around the lengthwise axis of the tube for creating controlled turbulence in the flow of material. These projections are arranged in a particular manner to achieve the desired degree of turbulence.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 8, 2001
    Assignee: Flexi-Coil Ltd.
    Inventors: Robert Poncelet, Russell James Memory, Hughie Douglas Kydd, Montgomerie Blair Summach
  • Patent number: 6227769
    Abstract: Methods and apparatus are disclosed for spraying powder into the interior of welded hollow can bodies from a spray gun mounted to the welding arm of a can forming machine. The spray gun can either apply a stripe of highly charged powder on the welded seam areas of hollow can bodies, or can simultaneously apply a coating of powder having a first thickness on the longitudinally welded seam areas and a second thickness less than the first thickness on the remainder of the interior surface. Air is vented off from the powder flow being transported through the welding arm so that the powder to air ratio is increased. Air is introduced at the downstream end of the welding arm to provide a suction force to help draw the powder flow through the welding arm and to increase the velocity of the powder flow for better tribo charging of the powder in the gun and to improve spray pattern stability.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: May 8, 2001
    Assignee: Nordson Corporation
    Inventors: Timothy Edward Wilson, Masafumi Matsunaga, Wataru Kakuta, Raymond J. Merk, Ronald E. Niemiec, Laurence B. Saidman, Gerald W. Crum, William L. Palmer
  • Patent number: 6224298
    Abstract: Grooves for constructing transport passages 12 for transporting semiconductor chips 28 are provided (the grooves are provided in parallel to one another in a number corresponding to quality levels of the semiconductor chips 28). An air blow pipe 27 is provided at a starting end Pa of the transport passage 12 in a transport direction (direction indicated by the arrow in FIG. 7) to give the thrust for moving the semiconductor chips 28 in the transport direction. A large number of air-jetting holes 26 for floating the semiconductor chips 28 are provided through a transport surface. Especially, the air-jetting holes 26 are provided at a terminal end in the transport direction in a number larger than those for the other portions. Thus, the floating amount of the semiconductor chip 28 is maximized at the terminal end. A plurality of slits 29 are provided vertically through a terminal end wall 20a in the transport direction.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: May 1, 2001
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroyuki Tsuji, Takao Ohnishi
  • Patent number: 6176647
    Abstract: A miniaturized, inexpensive instrument for measuring the mass flow rate of powder, which is capable of directly outputting the mass flow rate of powder and whose characteristics are not influenced by the kind and physical properties of the powder. The instrument can be easily manufactured, installed, operated, maintained, and color change can be easily done. A constant powder feeder, which is constructed based on this instrument and an electrostatic powder coating system utilizing this feeder has a high performance and a high operational efficiency. A measuring gas with a regulated flow rate is turned into a thin-layer of high-speed gas jets by a dispersion means, thereby powder is cross-dispersed and introduced into a measuring tube, the pressure difference generated therein is measured, and a feeding means is subject to feedback control so that the output of the pressure difference coincides with a set value.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: January 23, 2001
    Assignee: RID Corporation
    Inventor: Tsutomu Itoh
  • Patent number: 6030152
    Abstract: A pneumatic switch having a wiper seal to inhibit material from escaping from a pneumatic conveying line during a switching process and to maintain the pneumatic conveying line in a closed condition to prevent contamination of the contents of the pneumatic conveying line and an inflatable seal to seal around a pneumatic conveying line with the pneumatic switch including a movable housing that is moveable with respect to a second pneumatic conveying line. The movable housing bearing is carried by a movable plate that allows one to position or reposition the pneumatic conveying line with respect to another conveying line to thereby divert material from one conveying line to another conveying line while an inflatable seal allows one to seal and reseal around the pneumatic conveying line.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: February 29, 2000
    Assignee: Dynamic Air, Inc.
    Inventor: James R. Steele
  • Patent number: 6012876
    Abstract: A swirl or pitch changing chamber (16) is interposed at the convergence of a plurality of divergent pneumatic forwarding tubes (11, 12) and communicates with the tubes (11, 12). In the chamber (16), a transporter capsule (15) is caused to perform a complex motion, the motion being predominantly a pitch changing translation, by use of mechanical, electromagnetic, magnetic and/or pneumatic forces caused to act on the capsule (15), thereby accomplishing a desired change in the direction of longitudinal travel of the capsule (15). The chamber (16) is defined by an enlargement in the transverse dimension of the tubes (11, 12), the dimensions of the chamber (16) being sufficient to accommodate the complex motion.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: January 11, 2000
    Inventor: Ajaya Kumar
  • Patent number: 5948341
    Abstract: Lightweight part retention apparatus is arranged on a removal tool plate. A low pressure air supply is supplied to the apparatus to induce an area of reduced pressure in a channel formed in a passage therein, the reduced pressure being formed by a jet pump action within the channel. The reduced pressure draws a part to be removed from a mold or the like into the apparatus and retains it therein until a separate device removes it and/or the air supply is interrupted. Due to the relatively low mass of the retention apparatus, the tool plate and retention apparatus, with the molded part retained therein, can then be rapidly withdrawn from the open mold to permit early closing of the mold so that a new molding cycle may begin.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: September 7, 1999
    Assignee: Husky Injection Molding Systems Ltd.
    Inventors: Andrea Lucille Diamond, Paul Fedor Kresak
  • Patent number: 5931609
    Abstract: An apparatus and method for moving golf balls from a ball washer to a ball dispenser is disclosed. A system of conduits is employed, connecting a ball washer to a dispenser. Balls are forced out of the washer and into an entry conduit where a drain rids the system of fluids. Balls are slowed down by a restricted region in the entry conduit prior to entry into a main conduit. Upon entering the main conduit, balls are forced upward by high velocity air being expelled by a blower. Obstructions are minimized and relieved by an opening in the side of the main conduit. Balls are prevented from backing up into the blower, even in case of obstruction, by an angled pipe or nozzle with a diameter smaller than that of a golf ball. Balls travel through the main conduit and into an exit conduit where they strike a shock absorbing pad prior to dropping into the dispenser. In a second embodiment, an alternative exit conduit is provided whereby balls may be diverted to a receptacle other than the dispenser.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: August 3, 1999
    Assignee: Sickles Golf Corporation
    Inventor: John J. Sickles