From Movable Trap Chamber Patents (Class 222/636)
  • Patent number: 11471141
    Abstract: A powder spray device includes a funnel member, a first three-way joint, an air-current supply tube, a discharge tube, a vibration motor, a bypass air-current tube, and a switching mechanism. The first three-way joint has a first opening connected to an outlet at a lower end of the funnel member. The air-current supply tube and discharge tube are respectively connected to second and third openings of the first three-way joint. The vibration motor is fixed onto an outer surface of a funnel body of the funnel member. The bypass air-current tube branches off from the air-current supply tube and is connected to the discharge tube. The switching mechanism switches from and to standby state, in which compressed gas is sent only through the bypass air-current tube, to and from spray-coating state, in which compressed gas is sent out through the air-current supply tube, and also through the bypass air-current tube.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: October 18, 2022
    Inventors: Motoki Fujimura, Shinichi Osada, Yusuke Kojitani, Woogi Hyon, Suong-Hyu Hyon
  • Patent number: 11400463
    Abstract: A dosing device for dosing a granular material containing a reservoir for storing the granular material, a dosing disc, and a suction device and a spraying device containing such a dosing device and a method for applying a granular material to a substrate.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: August 2, 2022
    Assignee: Merck Patent GmbH
    Inventor: Ronald Van Den Heuvel
  • Patent number: 10441761
    Abstract: Implementations of a delivery device and method are disclosed. One implementation is a delivery device comprising a flow chamber with an inlet port for receiving a fluid flow in the flow chamber, and an outlet port for exiting a material from the flow chamber. The flow chamber may include a formation portion in which a suspension of the material is formed, and a collection portion that directs the suspension toward and/or into the outlet port. An amount of the material may collect in the collection portion adjacent the outlet port. The device may further comprise an insertion port for permitting insertion of the material in the flow chamber, and/or a pusher operable to move the amount of material through the outlet port. Related devices and methods also are disclosed.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 15, 2019
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Laura Christakis, Ashleigh Peterson, Jeffrey Bean, Claude Clerc, Andrew Pic, Gerald Fredrickson, Stan Gilbert, Amanda Smith, Jose Vega
  • Patent number: 9828119
    Abstract: A metering device for the volumetric metering of powder, including pharmaceutical powder, and the simultaneous metering and filling of target cavities with metered powder, as well as a metering system and an associated method are shown. One embodiment of the metering device includes a metering station with a powder storage container, a filling station, and a movable metering member. The metering member has a flat transfer surface that includes metering cavities, which correspond in number and geometry to target cavities arranged in the filling station, and also to metering openings in the metering station. The metering cavities each have an open end and a base, wherein an air-permeable filter element forms at least a part of the base of each. The metering member includes a central pressure channel connected to the metering cavities through the filter elements for applying a negative or positive pressure to the metering cavities.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: November 28, 2017
    Inventor: Achim Wolf
  • Patent number: 8991142
    Abstract: An apparatus for accurately dosing moist smokeless tobacco includes a dosing assembly and a dosing air source. The dosing assembly defines a loading chamber and a dosing chamber for containing a quantity of moist smokeless tobacco material. The dosing assembly also includes a discharge opening communicating with the dosing chamber. The dosing air source communicates with the dosing chamber and is operable to deliver compressed air to the dosing assembly so as to move moist smokeless tobacco material from the dosing chamber to the discharge opening. A method of pouching moist smokeless tobacco includes placing a predetermined quantity of moist smokeless tobacco in a dosing chamber having a predetermined volume, and ejecting the predetermined quantity of moist smokeless tobacco to pouching apparatus using compressed air.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: March 31, 2015
    Assignee: Altria Client Services Inc.
    Inventor: Dwight D. Williams
  • Publication number: 20140263409
    Abstract: This application discusses, among other things, granular spreaders. In an example, a granular spreader can include a blower configured to provide a flow of air, a metering device configured to provide a flow of granular material to the flow of air to provide a hybrid flow of air and granular material, a plurality of sections configured to release the granular material using the flow of air, wherein each section is configured to release an adjustable portion of the hybrid flow and a controller. The controller can be configured to receive control information for each section, to enable or disable each section responsive to the control information, and to adjust a speed of the blower based on the control information.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Inventors: Jesse Lee Wagers, Jared Ernest Kocer, Nicholas O. Michael
  • Patent number: 8585393
    Abstract: An edible product is made from a castable mass such as chocolate in a casting device that includes a container for receiving the castable mass and a metering unit. The metering unit has a nozzle block having nozzles facing away from the container and a valve block facing the container. The volume of a metering chamber between the nozzle block and the valve block can be changed by moving the nozzle block relative to the valve block. The casting method comprises steps of a) filling the mass container with the castable mass; b) drawing the mass into the metering chamber by enlarging the metering chamber volume by a first relative motion between the nozzle block and the valve block, and c) discharging the mass from the metering chamber by reducing the metering chamber volume by a second relative motion between the nozzle block and valve block.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: November 19, 2013
    Assignee: Bühler AG
    Inventors: Boris Ouriev, Ralf Bömmels
  • Patent number: 8444012
    Abstract: A device stores and meters a powder and mixes the powder with a diluent to prepare a food product. The device is able to be connected to a tank containing the diluent and to a source of air. The device includes a multidose container to form a reserve of powder, a powder dosing system, a powder duct integrated in an air chamber that can carry air around the powder duct outlet. The powder duct outlet emerges in a mixing chamber that includes a diluent inlet and a food product outlet, the whole forming a single piece disposable device.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: May 21, 2013
    Assignee: Nestec S.A.
    Inventors: Johan Bergdahl, Richard Luke Murphy, John Meldrum, Stephane Hentzel
  • Patent number: 8403188
    Abstract: A dosing device for powder has an inlet and an outlet for powder. A dosing disc rotatable from inlet to outlet has a dosing area of sintered material, which is provided with cavities for the volumetric dosing of the powder. A dosing body having open dosing cavities is provided which is movable from the inlet and outlet. By changing the speed of rotation of the dosing disc the quantity of powder to be discharged can be set in a wide range.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: March 26, 2013
    Assignee: Platsch GmbH & Co. KG
    Inventor: Hans G. Platsch
  • Publication number: 20120312844
    Abstract: The automatic dispensing modular assembly includes plurality of granule dispensing modules to dispense a pre-set quantity of a selectable granular material out of different types of granular materials provided in different dispensing modules. Each granule dispensing module includes a canister sub-assembly (30) and a assembly (40) drive means. The canister sub-assembly (30) includes a granule canister (5) and a granule volumetric dozer (16) to dispense consistently and accurately a pre-set quantity of a granular material. The drive means according to one embodiment is a pneumatic cylinder sub-assembly (40) which includes a pneumatic cylinder (4) having piston rod (17) capable of imparting forward and backward motion to the granule conveyor (6) coupled to the piston rod (17) through granule conveyor coupler (15). The granular material is dispensed through granule dispensing tube (20) when the granule volumetric dozer (16) is brought in vertical alignment with the granule dispensing port (7).
    Type: Application
    Filed: August 13, 2009
    Publication date: December 13, 2012
    Applicant: Tata Tea Limited
    Inventors: Ashim Chatterjee, Mani George Kandappali, Balasubramaniam Munusamy
  • Patent number: 8096451
    Abstract: The apparatus is constituted by at least an operating unit comprising: a chute, inferiorly associated to a hopper for containing granular or powder product, the chute being extended downwards to convey the product towards an underlying container; a rotary obturator having a horizontal axis X, for transversally occluding the chute and being laterally provided with an opening destined to place the chute in communication with a batching chamber, realized internally of the body of the obturator and delimited, on an opposite side to the opening, by a gas-permeable wall; a conduit connected at an end thereof to the batching chamber, via the wall, and at another end thereof to aspirating and blowing means; motorized organs for commanding rotations of the obturator, with which the opening is alternatingly oriented upwards, during the loading stage, in order to enable the granular or powder products, falling from the hopper and introduced into the upper part of the chute to enter the batching chamber, which is depress
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: January 17, 2012
    Assignee: Marchesini Group S.p.A.
    Inventor: Giuseppe Monti
  • Patent number: 8061568
    Abstract: A fiber blowing and filling machine comprising a hopper, a dispensing assembly located below the hopper, a drive assembly and a blower. The dispensing assembly comprises a housing having two longitudinally opposite apertures, namely, an air inlet aperture connected to the output of the blower and an exit aperture. The housing is equipped with a paddle mounted to a shaft that is above the apertures. The paddle is assembled from individual components, forming a plurality of vanes having flexible edges that contact the surfaces of the housing to create a pocket when the apertures are between a pair of the vanes. The fiber from the hopper flows into the housing and gets collected between a pair of the vanes, which rotate further to form the pocket. The fiber in the pocket is then blown out through the exit aperture by the air from the blower output.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: November 22, 2011
    Inventor: Janis E. Fenton
  • Publication number: 20110049198
    Abstract: A rotor assembly for a rotary feeder apparatus may include a hollow central shaft, a plurality of circumferentially spaced blades extending generally radially from the hollow central shaft partially forming a plurality of compartments, and at least one valve element associated with an opening formed in a wall of the central shaft. A rotary feeder apparatus may include a housing, a material inlet and outlet, and a rotor assembly. A stationary cam may be disposed within the hollow central shaft of the rotor assembly and a surface of the cam may displace a valve element. Methods of operating a rotary feeder apparatus may include loading a particulate material into a compartment of a rotary feeder, rotating the compartment, supplying a gas to the compartment through an opening in a wall of the hollow central shaft in communication with the compartment, and unloading the particulate material from the compartment.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 3, 2011
    Inventor: David J. Muth
  • Patent number: 7891527
    Abstract: An apparatus for feeding a dry particulate solid into a pressurized vessel including: a solids reservoir; a rotating metering disc below the solids reservoir; a non-rotating component adjacent to the metering disc; a surface of contact between the metering disc and the non-rotating component, wherein the surface of contact comprises a low friction material; a drive shaft, a drive motor; a pickup section; and an injection tube is provided.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: February 22, 2011
    Assignee: Univation Technologies, LLC
    Inventors: David B. Dentler, Charles J. Whatley
  • Patent number: 7882992
    Abstract: A cellular wheel sluice embodied as a blow-through sluice is suitable for dosing secondary fuel, for example. The blow-through sluice includes a supply chute (2) in the top area and a cylindrical housing (1) which is disposed below the supply chute (2) and in which a cellular wheel (4) is arranged. The cellular wheel (4) includes radial webs (3), in the rotational area of which a blow-in hole (10) and an opposite blow-out hole (11) are provided on the side faces (26) of the housing. An injector nozzle (15) which blows the transport air into the rotating dosing chambers (5) so as to empty the same, is integrated into the housing in the area, of the blow-in hole (10). Thereby pressure differences result in the dosing chamber (5) that is to be emptied such that only small pressure loads act upon the metallically hard gap seals, which have a long useful life and allow only small quantities of leakage air, and which are arranged on the radial end areas of the cellular wheel webs (3).
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: February 8, 2011
    Assignee: Schenck Process GmbH
    Inventors: Harald Faber, Klaus Kohlmueller, Robert Weinand
  • Patent number: 7802570
    Abstract: A drug transfer system is adapted to transfer a powdered drug into a patient via inhalation. The drug transfer system includes a drug container or packet that removably inserts into an inhaler device. As the patient inhales from the inhaler device, the drug flows from the container, through the inhaler device, and into the patient's respiratory system. The system is adapted for ease of use without requiring the user to perform any cumbersome manipulations of the drug packet during insertion into the inhaler or during inhalation of the drug.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: September 28, 2010
    Assignee: Breathe Pharmaceuticals
    Inventor: Mark B. Mecikalski
  • Patent number: 7757903
    Abstract: A feeder for feeding bulk material into a high pressure conveying line. The feed assembly comprises a rotary feeder that has a material inlet for receiving bulk material from a low pressure source and a material outlet for discharging the bulk material into a higher pressure conveying line which is a source of leakage gas into the rotary feeder. The feeder has venting means to vent leakage gas through the material inlet without such leakage gas contacting the bulk material entering the feeder.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: July 20, 2010
    Assignee: FLSmidth A/S
    Inventors: Louis S. Schwartz, Robert H. Lilly
  • Patent number: 7690538
    Abstract: A method and system are disclosed for moving and placing in hard to reach locations granular and other particulate material such as sand, gravel, earth and similar materials. The system includes an improved auger for moving the material and an improved rotary airlock mechanism designed to withstand the abrasive action of the particulate material and at the same time move the material several hundred feet through a flexible conduit for placement in a pre-designated location. A system and apparatus is also disclosed for transporting on one vehicle all of the devices needed at a remote site for operation the particulate placement system, including a front loader.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: April 6, 2010
    Inventors: Richard Dunlop, Robert Griffin, Steven C. Stokes, Denis A. Stokes, Gary Bonney
  • Patent number: 7597219
    Abstract: A rotary valve including a housing having an inner surface. A rotary assembly is positioned for rotation within the housing. The rotary assembly includes a plurality of radially outwardly extending vanes. The vanes extend toward the inner housing surface and are configured to transport material along the inner housing surface. Seal members are mounted upon the vanes. Spring members are secured to the vanes urging the seal members into contact with the inner housing surface.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: October 6, 2009
    Assignee: Owens Corning Intellectual Capital, LLC
    Inventors: Robert J. O'Leary, Alvin L. Miller, John Hasselbach, Michael W. Johnson
  • Patent number: 7591264
    Abstract: A device for taking powdered substances has a storage receptacle and a supply tube having a first end for dispensing the substances and a pivotably supported second end that has a unitary cylinder wall pivotably mounted on a stationary cylinder body having a through bore. The supply tube is pivotable back and forth between a first position of non-use and a second position of use. In the first position, the substance is air-tightly closed off in the storage receptacle. In the second position, the substance enters the supply tube. The unitary cylinder wall has a through opening. The supply tube has an inner opening. In the first position, the inner opening of the supply tube and the through opening of the unitary cylinder wall do not communicate with the through bore of the cylinder body; in the second position, they communicate with the through bore of the cylinder body.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: September 22, 2009
    Assignee: Braunform GmbH
    Inventor: Klaus-Dieter Beller
  • Publication number: 20090057350
    Abstract: A feed hopper system includes: a hopper defining a chamber, the chamber having a lower portion; a stirring member; and a rotary feeding member disposed below the stirring member, mounted rotatably in the lower portion of the chamber of the hopper, and including a rotor that has first and second axial end portions. The rotary feeding member further includes a plurality of angularly spaced apart first blades that radiate from the first axial end portion of the rotor, and a plurality of angularly spaced apart second blades that radiate from the second axial end portion of the rotor. The first and second blades are alternately disposed.
    Type: Application
    Filed: August 30, 2007
    Publication date: March 5, 2009
    Inventor: Jung-Lang Lin
  • Publication number: 20080078784
    Abstract: A fiber blowing and filling machine comprising a hopper, a dispensing assembly located below the hopper, a drive assembly and a blower. The dispensing assembly comprises a housing having two longitudinally opposite apertures, namely, an air inlet aperture connected to the output of the blower and an exit aperture. The housing is equipped with a paddle mounted to a shaft that is above the apertures. The paddle is assembled from individual components, forming a plurality of vanes having flexible edges that contact the surfaces of the housing to create a pocket when the apertures are between a pair of the vanes. The fiber from the hopper flows into the housing and gets collected between a pair of the vanes, which rotate further to form the pocket. The fiber in the pocket is then blown out through the exit aperture by the air from the blower output.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Inventor: Janis E. Fenton
  • Publication number: 20080014031
    Abstract: A feeder apparatus supplies a powder feedstock to a high or low pressure processing operation. The apparatus includes a metering plate defining an annular channel having a channel width. A measuring mechanism dispenses a measured volume of the feedstock into the annular channel. The measuring mechanism includes a pay-out device defining an outlet significantly smaller than the channel width. The measuring mechanism further includes a maximum fill level defining a maximum pressure head in the feedstock less than a retaining pressure defined by the internal friction of the feedstock. The restraining pressure prevents the feedstock from spreading outwardly in the annular channel and contacting sidewalls of the annular channel under the pressure head of the feedstock. The apparatus further includes a pick-up device for removing the feedstock from the annular channel. The pick-up device includes an inlet having a rectangular shape extending across the annular channel.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 17, 2008
    Inventors: Thomas Hubert Van Steenkiste, James A. Gourash, John R. Smith, Keith A. Kowalsky
  • Patent number: 7284679
    Abstract: An apparatus for dispensing respectively predetermined quantities of pulverulent contents has a rotatably drivable metering roller containing at least one metering chamber and a material store which stores the pulverulent contents. The metering roller contains at least one lateral line, which is not line-connected to the metering chamber and of which the at least two line ends terminate on the surface of the metering roller. A gas line is guided into the housing and passes out of the housing again in a concave surface region. Gas is introduced into the material store via the lateral line, in dependence on the respective rotary position of the metering roller, through said gas line. Depending upon the rotary positions of the metering roller, the gas line, which fluidizes the contents present in the material store, is closed or opened by the metering roller.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: October 23, 2007
    Assignee: Harro Hofliger Verpackungsmaschinen GmbH
    Inventors: Tobias Zill, Manfred Reiser
  • Patent number: 7237699
    Abstract: A filter piston apparatus that dispenses predetermined volumes of pulverulent bulk material has a metering chamber which accommodates in each case a predetermined volume of bulk material, which is present at the end of a circular-cylindrical bore and which has its base formed by a filter of the piston. The metering chamber is attached to a positive-pressure or negative-pressure gas source through the filter, which is permeable to gas but impermeable to the bulk material. A piston wall has a transverse slot and an inner groove located radially opposite the transverse slot, such that the filter can be pushed into the slot from the outside and, when seated in the piston, can be secured on both sides in the axial direction of the piston along it periphery.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: July 3, 2007
    Assignee: Harro Hofliger Verpackungsmaschinen GmbH
    Inventors: Tobias Zill, Manfred Reiser
  • Patent number: 7226248
    Abstract: Disclosed is a device for the continuous gravimetric metering and pneumatic conveying of pourable material which is conveyed across a given distance by a metering rotor (1) which is arranged in a pressure-proof manner in a housing (2) and is provided with conveying pockets (1a). Said housing (2) comprises a charging station and a discharging station for the pourable material, which are connected to the inlet/outlet (4, 5) of a pneumatic conveyor system. The housing (2) is connected to a force metering device which detects the momentary load generated on the metering rotor (1) by the conveyed material. The inlet and outlet of the pneumatic conveyor system are connected to the bottom of the housing (2). In order to build the inventive device in a compact manner while reducing the assembly requirements and improving flow guidance, the flow from the inlet (4) to the outlet (5) is deflected within the upper area of the housing (2).
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: June 5, 2007
    Assignee: pfister GmbH
    Inventors: Hans Wilhelm Häfner, Hubert Wolfschaffner
  • Patent number: 7083069
    Abstract: Bulk material discharge assemblies comprise a bulk material hopper, a conduit for delivering an air stream to entrain with bulk material from the bulk material hopper, and a feeding apparatus for introducing additive to the conduit. The feeding apparatus comprises an additive hopper and an airlock positioned adjacent the conduit. In addition, metering apparatus are provided that comprise an axle and first and second metering wheels. A noncircular perimeter of the axle and the shape of each hub opening of each of the metering wheels cooperate to nonrotatably mount each metering wheel to the axle. The first and second metering wheel are adapted to be selectively mounted in at least one of a first relative position and a second relative position.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: August 1, 2006
    Assignee: Finn Corporation
    Inventors: Douglas E. Wysong, Michael P. Essen
  • Patent number: 6971554
    Abstract: This device for the controlled distribution of pulverulent products includes a feed container (1) for said product having an outlet aperture sealed by a rotor (6) provided with a plurality of transfer cavities (7, 8), each of which comprises an inlet aperture and an evacuation aperture, the paths of said inlet apertures successively passing opposite said outlet aperture in order to be filled with said product and said evacuation apertures passing successively opposite a distribution aperture (13, 14) connected to device (12) to evacuate said pulverulent product from said transfer cavities (7, 8), for emptying therein, of sealing surfaces (5a, 5b) of said inlet and evacuation apertures, disposed along said respective paths and means (M, 15) to drive said rotor (6). Said rotor comprises device to link said cavities to said rotational axis, arranged to give said cavities a degree of freedom in a substantially perpendicular direction to said sealing surfaces (5a, 5b).
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: December 6, 2005
    Assignee: EXA SA
    Inventor: Pierre Rochat
  • Patent number: 6796457
    Abstract: A material feeder is provided that includes a drum having a number of compartments that receive material that is to be output by the feeder. The material can be any one of many different materials that are usually light and/or smaller in size, such as insulation, powders, grains and the like. At least a first seal is provided adjacent to the drum to close off an end of each compartment during some of its rotation. The first seal is preferably stationary during rotation of the drum and its compartments. The position of the seal relative to the drum can be adjusted to provide desired positioning between the seal and the drum. In one embodiment, the first seal is in contact with at least portions of the first end of the drum. The material is delivered to each compartment in the drum preferably using first and second fillers that are mounted adjacent to and outwardly of first and second ends of the drum.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: September 28, 2004
    Assignee: Ark Seal, LLC
    Inventor: Henry Sperber
  • Patent number: 6796748
    Abstract: A single machine (20) for blowing insulation into cavities of buildings and methods of using the machine to deliver insulation are provided. The single machine includes at least one engine (100), a hopper assembly (74), two feeding assemblies (36, 40) each operably connected to an output hose (76, 80), two air blowing assemblies (84, 88) each connected to feeder assemblies. The single machine can independently and simultaneously deliver insulation through multiple output hoses to same cavity of different cavities.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: September 28, 2004
    Assignee: CertainTeed Corporation
    Inventor: Henry Sperber
  • Patent number: 6651843
    Abstract: A feedstock feeder for supplying feedstock to a system operating at a level of pressure. The feedstock feeder includes a pressure vessel having a pressure which is higher than the level of pressure; a mechanical feeder portion which meters the flow of feedstock to the system, the mechanical feeder portion located within the pressure vessel; a feedstock supplier which supplies feedstock to the mechanical feeder portion, the feedstock supplier located within the pressure vessel; a drive mechanism for driving a dynamically moving portion attached to the drive mechanism, the dynamically moving portion coupled to the mechanical feeder portion for moving the mechanical feeder portion; and wherein all dynamic seals operating to seal about the dynamically moving portion are positioned within the pressure vessel.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: November 25, 2003
    Assignee: Flame-Spray Industries, Inc.
    Inventors: Keith A. Kowalsky, Daniel R. Marantz
  • Patent number: 6338423
    Abstract: Device for feeding material from a pressurised space to a space at a lower pressure, said device comprising a frame (2) with an admission port (5) and a discharge port (6), and a feed element (1) rotatably mounted inside the frame, said feed element containing at least one chamber space (3, 4) opening at the surface of the feed element, as well as means (7, 8) for turning the feed element between at least one first position, in which the chamber space (3, 4) communicates with the admission port (5), and at least one second position, in which the chamber space communicates with the discharge port (6), as well as at least one sealing element (9, 10) fitted against the surface of the feed element. The device is provided with a passage from the side of the admission port (5) to the side of the discharge port (6), said passage being open in at least one position of the feed element (1).
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: January 15, 2002
    Assignee: Privet Oy
    Inventor: Juhani Polón
  • Patent number: 6109488
    Abstract: An apparatus capable of conditioning and dispensing high volumes of loose fill insulation material includes a hopper for receiving unconditioned insulation material and for conditioning the insulation material, and an air lock for receiving the conditioned insulation material from the hopper and for discharging the insulation material. The hopper has an upper conditioning compartment and a lower conditioning compartment which are in open communication with each other. At least one upper shaft, which has a plurality of spikes extending radially therefrom in a helical pattern, is supported in the upper conditioning compartment of the hopper. A set of lower shafts including at least three shafts, each with a plurality of spikes extending radially therefrom, are supported in the lower conditioning compartment of the hopper. A drive assembly is operatively connected to the upper and lower a shafts to provide rotational movement to each of the upper and lower shafts.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: August 29, 2000
    Assignee: Western Fibers, Inc.
    Inventor: Paul H. Horton
  • Patent number: 6056169
    Abstract: An inhaler (1) for dispensing accurate and reproducible doses of powder. The inhaler includes an expulsion channel (2) opening out in an outlet orifice (3), and is characterized by a combination of or: a pre-dosing device (100) having the powder in individual reservoirs (101), each reservoir (101) containing one dose of powder, and; a transfer device (200) for transferring a dose of powder in full into the expulsion channel (2) on each actuation of the inhaler. The inhaler also includes an air flow source (300) having a pump (301) triggerable by the user the air flow source (300) sending a flow of air into the expulsion channel (2) towards the outlet orifice (3) to expel the dose of powder.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: May 2, 2000
    Assignee: Valois S.A.
    Inventors: Pascal Bruna, Olivier Fourment, Guiseppe Stradella
  • Patent number: 6003512
    Abstract: An apparatus and method for aerosolizing and dispensing powders utilizing the forces of pressurizing and depressurizing gas loaded into powder agglomerates located in an enclosed powder chamber. Methods include administering peptides, genes, vitamins, and polymers into the peripheral lung. Also describes powder supply apparatus and method for single dose and repetitive applications.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: December 21, 1999
    Assignee: Lovelace Respiratory Research Institute
    Inventor: Per Magnus Gerde
  • Patent number: 5988436
    Abstract: Problems encountered when discharging bulk containers using a blow-through rotary valve can be avoided by the discharge device, according to the invention, in which a vent connection of the rotary valve is in connection with the internal chamber of the container through a filter hose open on both ends.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: November 23, 1999
    Assignee: Degussa Aktiengesellschaft
    Inventors: Rainer Kohlen, Alexander Ruhs, Wolfgang Leonhardt
  • Patent number: 5829649
    Abstract: A machine for conditioning and dispensing loose fill insulation material, such as cellulosic insulation, fiber glass insulation and rock wool insulation. The machine includes a hopper, a conditioning chamber, an air lock and a blower for pneumatically dispensing the material. The conditioning chamber is equipped with three rotating shafts with helically arranged spikes which serve as conveyors as well as dispersers. A lower conveyor shaft moves the material toward the opening into the air lock, while the two uppermost conveyor shafts move the material in the opposite direction. Thus, the same assembly which conveys the material to the air lock also conditions the material. Moreover, the counter current flow pattern churns or agitates the insulation material while the individual spikes disperse it. A single motor drives the rotation of the conveyor shafts and the rotation of the vanes in the air lock.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: November 3, 1998
    Assignee: Western Fibers, Inc.
    Inventor: Paul H. Horton
  • Patent number: 5797435
    Abstract: This invention is directed to an apparatus for filling powder which comprises introducing a predetermined amount of powder into each of the receiving holes formed at the peripheral edge portion of a rotary disk from a powder hopper, intermittently rotating the rotary disk, and discharging and filling the powder accommodated in each of the receiving holes into a powder container positioned therebelow when each of the receiving holes reaches a discharging and filling portion. The rotational axis (C) of the rotary disk (1) is inclined. The center axis of each of the receiving holes (8) is arranged on an imaginary conical surface (12) having this rotational axis (C) as its center axis and an apex angle (.theta.) of to The powder hopper (6) is disposed on the lateral side portion of an opening (8a) of the receiving hole (8) at a vacuum sucking portion (9) and a boss portion (28) supporting the rotational axis (34) of the agitator (7) is arranged above the powder hopper (6).
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: August 25, 1998
    Assignee: Carbone Industrie
    Inventor: Yasutaro Wada
  • Patent number: 5694794
    Abstract: An apparatus and a method for repeated, automatic metering of precisely metered quantities of a powdered detergent into water-carrying cleaning machines, in particular household dishwashers and household washing machines, include a detergent holder and a metering and dispensing device having a movable metering device with at least one metering receptacle. The interior of the detergent holder and a guide of the metering and dispensing device are acted upon continuously by a stream of compressed air. Therefore, clumping of the highly hygroscopic powdered detergent and an expensive, complex apparatus, which requires a high drive torque and a high air pressure, are avoided. The metering device has only one metering receptacle. The metering and dispensing device has two chambers communicating with one another. The detergent fed into the first chamber is fed gradually, during the motion of the metering device, into the second chamber, which has an opening toward the treatment vessel.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: December 9, 1997
    Assignee: Bosch-Siemens Hausgeraete GmbH
    Inventors: Helmut Jerg, Daniele Cerruti
  • Patent number: 5645379
    Abstract: A rotary feed structure for a gunite-conveying machine includes a polymeric body to resist sticking of gunite even if the latter includes silica fume, and even if it has set. The body has chambers in a circle. Preferably the body is urethane, self-bonded to a Ni-hard wear plate to eliminate radial leakage, and the mounting, (typically holes for studs), at least in part, is integral with the plate. A metal axial spacer is preferably next to the plate, but only within the innermost radius of chambers and with a sizable wall thickness. The body is preferably a feed-bowl type, with chambers formed as generally U-shaped pockets. A gunite machine using the polymeric feed structure also has a hopper, delivery tube, support and rotation of the feed structure, compressed-air for expelling the particulate material from the chambers into the tube, and provision for transporting the hopper, tube, body, and other apparatus. Chambers are selectively sealed to the expelling device and delivery tube.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: July 8, 1997
    Assignee: Reed Manufacturing, Inc.
    Inventors: David J. Stoner, Steven L. Lang, Paul E. Sulman, David C. Lawrence, Richard Ellis, Fernando Lopez
  • Patent number: 5573149
    Abstract: A storetank for a powder supply is disclosed which is capable of discharging the powder particles stored therein in a constant amount without the caking and blocking of the powder particles by a method different from the conventional method.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: November 12, 1996
    Assignee: Ransburg Industrial Finishing K.K.
    Inventor: Eiji Saito
  • Patent number: 5568884
    Abstract: A device for projecting measured quantities of a fluid substance by a puff of compressed air, said device comprising: a body (1) having an ejection channel (4); an actuator member (2) displaceable relative to the body (1) between a rest position and an actuated position; a resilient return member (19) urging the actuator member (2) towards its rest position; a supply (3) of said substance; a feed (5, 6) adapted to move a measured quantity of said substance from the supply (3) into the ejection channel (4); and an air pump (7) comprising a pump chamber (8) having an inlet valve (10, 11) in communication with the atmosphere; the device being characterized in that the outlet valve is constituted by a valve piston (12) constrained to be displaced with the actuator member (2) and sliding in sealed manner in a valve cylinder (13) having a top end (13a), said cylinder having a lateral outlet orifice (14) which communicates with the ejection channel (4), said valve cylinder having its top end (13a) in communication w
    Type: Grant
    Filed: September 13, 1995
    Date of Patent: October 29, 1996
    Assignee: Valois S.A.
    Inventor: Pascal Bruna
  • Patent number: 5480268
    Abstract: A rotary airlock feeder is connected to transfer particulate material between a storage bin and a pneumatic convey line. The pneumatic convey line includes a pressure reducing orifice plate which produces a pressure differential in the convey line between the upstream and downstream sides of the orifice plate. Air from the upstream side flows into respective specially designed end plates of the feeder and the pressure differential between opposite sides of the orifice assures a steady purge air flow circumferentially around a pair of rotary shrouds and into the feeder. This steady air flow prevents particulate material or debris from entering cavities between the shrouds and the end plates and between the rotary shrouds and the housing walls and thus prevents such material from reaching the seals, shaft area, and bearings of the feeder and protects the rotary shrouds from premature abrasive wear.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: January 2, 1996
    Assignee: Smoot Company
    Inventor: David K. Smoot
  • Patent number: 5433519
    Abstract: A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor where water is added, wherein the binding agent is added mixed with the admixture during the pneumatic transfer.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: July 18, 1995
    Assignee: PFT Putz und Fordertechnik GmbH
    Inventor: Hans-Peter Irsch
  • Patent number: 5413259
    Abstract: A water-conducting cleaning machine, in particular a household dishwasher or a household washing machine, has a processing vessel. A device for repeated, automatic metering of doses of a powdered detergent includes a detergent holder having an interior and an outlet opening. A metering and dispensing device is associated with a duct, is disposed below the outlet opening and has at least one indentation with an interior for receiving individual doses of a powdered detergent from the outlet opening and for feeding the individual doses to the processing vessel in a dispensing position. A compressed air generator generates a flow of compressed air continuously acting upon the interior of the detergent holder and upon the duct, and acting upon the interior of the indentation in the dispensing position.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: May 9, 1995
    Assignee: Bosch-Siemens Hausgeraete GmbH
    Inventors: Daniele Cerruti, Egon Galler-Benker
  • Patent number: 5405059
    Abstract: A rotary filling apparatus includes a rotatable drum body having an apex and a base, an outer circumferential wall which defines a drum periphery, and lateral walls which extend from the drum periphery into the drum body to define a plurality of spaced drum chambers. The lateral walls have aligned keyhole slots, positioned away from the drum periphery, and a vessel is slidably positioned in each drum chamber. A key, having a longitudinal axis and a cross-sectional area which increases from a base portion to a head portion, is positioned in the keyhole slots, so that upon longitudinal displacement of the key the vessel is caused to ascend or descend in the chamber, thereby decreasing or increasing the volume of the chamber. A cover plate is positioned adjacent the drum periphery, between the drum apex and base, for retaining material in drum chambers during rotation of the drum.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: April 11, 1995
    Assignee: Nestec S.A.
    Inventor: Lars G. A. Wadell
  • Patent number: 5405061
    Abstract: A rotary feeder for bulk material or liquids includes a generally hollow cylindrical housing with a housing inlet and a radially opposing housing outlet. Rotatably supported in a sealing manner within the housing is a generally cylindrical rotor which includes at least one eccentric passageway extending in a radial plane between an inlet port and an outlet port and alternately connectable with the housing inlet and the housing outlet.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: April 11, 1995
    Assignee: Waeschle Maschinenfabrik GmbH
    Inventor: Harald Kugler
  • Patent number: 5383850
    Abstract: In the inhaler for the repeated inhalation of powdered pharmaceuticals there is arranged, in a housing (13) which has a rotatable cap (4), a dosing wheel with dosing chambers (22) between the intermediate floor (21) and a frame (20), which is supported on the baseplate (14). The rotatable cap (4), which is supported on the lid (17) by means of a spring (12), has an axially arranged cylinder (7) which projects through the lid (17), the intermediate floor (21) and the frame (20) into the housing (13) and is the drive shaft for the dosing wheel (1). The housing (13) is provided with a supply chamber (2) whose bottom part (intermediate floor (21)) has an opening (23) whose cross-section corresponds to that of the dosing chambers (22).
    Type: Grant
    Filed: June 3, 1993
    Date of Patent: January 24, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Egon Schwab, Hans-Joachim Loos, Gunter Ziegert
  • Patent number: 5366122
    Abstract: In a discharge apparatus (1) on a basic body (8) is provided a pneumatic pump (19) and axially adjacent thereto a casing chamber (14) for receiving a magazine (15) for individual doses of a pulverulent or similar medium, whose magazine chamber (30) can be transferred into a discharge position, in which it is connected by one inlet end (46) and one outlet end (47) to a feed path (20) for the pumped air. At remote ends of the basic body (8) are provided pressure handles (5, 6) for the discharge actuation and a handle (7) for indexing or replacing a magazine body (16). Opening devices (50, 51) are used for the automatic opening of the magazine chamber (30) on transfer into the discharge position. This leads to a very reliable operation in the case of compact construction and easy handling.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: November 22, 1994
    Assignee: Ing. Erich Pfeiffer GmbH & Co. KG
    Inventors: Bernhard Guentert, Michael Wolter, Stefan Ritsche, Reinhold Jaeger-Waldau, Karl-Heinz Fuchs
  • Patent number: 5356599
    Abstract: A continuous powder catalyst supply apparatus and a catalyst supply system that is suitable for olefin gas phase polymerization. The supply apparatus comprises a catalyst storage chamber having a catalyst inlet port and a catalyst supply port for transmitting the catalyst to the reactor. Inside the catalyst storage chamber is a catalyst supply mechanism which substantially continuously supplies the catalyst to the catalyst supply port, and a forcible discharge mechanism which forcibly discharges the catalyst, supplied from the catalyst supply mechanism, through the catalyst supply port with a pressurized gas. The apparatus can be used to supply the catalyst to the reactor with low amounts of pressurized gas. Further, the system can be configured so as to avoid contamination of stored catalyst by reactant gas.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: October 18, 1994
    Assignees: Sumitomo Chemical Co., Ltd., Akatake Engineering Co., Ltd.
    Inventors: Yasuhiro Miura, Kozo Miyazaki, Yoshio Iino, Mitsuru Tamura, Yukio Fukada, Hiroshi Akimoto