Of Feed Of Material Patents (Class 241/34)
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Patent number: 7234656Abstract: A paper shredder paper feed mechanism, characterized in having a paper insert opening structured from two movable paper feed tubes, which are configured above paper shredding cutters. Two ends of each of the paper feed tubes are respectively positioned in W-shaped embed grooves of positioning plates of a frame. The two paper feed tubes are ordinarily closed together, thereby enhancing safety and preventing dust and miscellaneous objects from falling into the paper shredder. When paper is inserted into the paper insert opening, the thickness of the paper opens the two paper feed tubes, thereby guiding the paper smoothly guided into the paper shredding cutters.Type: GrantFiled: May 9, 2005Date of Patent: June 26, 2007Inventor: Emily Lo
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Patent number: 7232083Abstract: An improved brush cutter having an upper feed control member with stop, forward, neutral, and reverse positions also has a lower feed stop member with selectable sensitivity. Another aspect of the invention is to predict the feed roller shutoff point according to the rate of engine deceleration. According to another aspect, when the feed rollers stop feeding material into the cutters, to overcome drag on the cutters, a controller stops the feed rollers and then reverses them for a short time, and then reverses the rollers again if the problem is still present. To prevent jamming, a pressure switch senses when oil in a hydraulic motor system for rotating the feed rollers is too high and the controller momentarily reverses the feed rollers and then causes them to go forward, a cycle which can occur several times until the feed rollers are no longer stalled.Type: GrantFiled: May 2, 2006Date of Patent: June 19, 2007Assignee: Vermeer Manufacturing Co.Inventors: Mark Robert Stelter, James L. O'Halloran, Dennis K. Gabler, Jeffrey D. Kernwein, Ivan R. Brand, Brian M. Johnson
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Patent number: 7226011Abstract: This invention provides an apparatus for handling bulk material as located at circular or linear storage site. More specifically, a reclaimer apparatus is described having a platform mounted on one or more wheel track assemblies arranged to roll on at least one rail. A pivotal reclaim conveyor assembly is made of a head shaft and a tail shaft and means to support a plurality of rakes, wherein the plurality of rakes are spaced at intervals in a continuous loop around the pivotal reclaim conveyor assembly. The fixed incline conveyor assembly having a head shaft and a tail shaft, the incline conveyor assembly having means to support a plurality of buckets, the plurality of buckets being spaced at intervals in a continuous loop around the inclined conveyor assembly.Type: GrantFiled: August 7, 2003Date of Patent: June 5, 2007Inventors: Hans J. Schlegel, Helmut Wolf
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Patent number: 7222805Abstract: A materials processing system adapted for the reduction of metallic materials including a material feed portion configured to convey materials to a mill portion comprising a motor driven rotor in close running fit with a cage mounted grate through which reduced material is discharged onto a conveyer. The cage is biased to a closed operating position by one or more hydraulic rams. A control system receives signals from a speed sensor operatively coupled to the rotor, and is configured to regulate the hydraulic rams, thereby controlling the opening and closing of the cage in response to rotation of the rotor. The control system is further configured to regulate the operation of the materials feed portion to suspend material feed during opening of the cage, permitting trapped or jammed material to be expelled from the mill portion.Type: GrantFiled: April 8, 2003Date of Patent: May 29, 2007Inventor: Robert M. Williams, Jr.
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Patent number: 7207507Abstract: The invention relates to a process for the granulation of sludge- and optionally dust-form material, in which the material to be granulated is mixed with hydratable or hydraulically settable solids and water, which solids react exothermically with water and act as binder in the mixture, where the solids are allowed to hydrate or set fully or partly, and where the mixture containing the fully or partly hydrated or set solids is shaped into granules, where the solids and, if desired, dust-form materials to be granulated are wetted or moistened with water, and subsequently and/or at essentially the same time the solids are mixed with the material to be granulated. The invention also relates to an apparatus for carrying out the process.Type: GrantFiled: October 4, 2006Date of Patent: April 24, 2007Assignee: Voest-Alpine Industrieanlagenbau GmbH & Co.Inventors: Christoph Aichinger, Alfred Aigner, Guenter Schrey, Stefan Zettl
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Patent number: 7204439Abstract: Efficient process control of a rotary breaker is dependent upon the rate at which aggregate material is delivered to the rotary breaker. An improved pre-screening apparatus provides enhanced control of the amount of undersized material allowed to bypass the rotary breaker, thus allows some control of feed rate other than the upstream mining conditions. Further, a variable speed drive mechanism allows for enhanced control of the breaking process occurring within the rotary breaker. These improvements allow for the increase in maximum feed rate to an existing rotary breaker or allows for the installation of smaller and more economical original equipment. In addition, an improved discharge mechanism is provided to increase the discharge rates of a breaker without varying size or speed of rotation. These improvements allow for advanced automated process control.Type: GrantFiled: June 21, 2004Date of Patent: April 17, 2007Inventor: Larry Fuller
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Patent number: 7104480Abstract: A sensor assembly and coupling arrangement for a rotary disk refiner. The sensor assembly includes a housing formed by a base and frustoconical cap that has a sensing element carrying bulb extending outwardly therefrom. The coupling arrangement includes a conduit arrangement that is received in one or more aligned preexisting instrument ports of the refiner and that releasably couples with a connector puck. The puck is carried by the backside of a refiner disk segment that lies next to the refiner disk segment that is equipped with one or more sensor assemblies. Preferably, a flexible hose communicates sensor wiring from a sensor manifold that holds a plurality of sensor assemblies to the connector puck. The sensor manifold preferably is carried by the backside of the sensor refiner disk.Type: GrantFiled: March 23, 2004Date of Patent: September 12, 2006Assignee: J&L Fiber Services, Inc.Inventor: Mark S. Lutz
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Patent number: 7077344Abstract: A device for compacting loosely packed materials, in particular synthetic materials, comprises a shredder/conveyor rotor body arranged in a casing and drivable with the rotation around an axis of rotation and a consecutively arranged extruder with an extruder screw that is arranged rotatably and coaxially to the shredder/conveyor rotor body. Materials supplied to the shredder/conveyor rotor body are conveyed to the extruder screw, whereby they optionally are shredded. According to the invention, the shredder/conveyor rotor body is configured as a hollow body open at the front side opposite the extruder and has at least one rotary bearing in its interior, which rotary bearing rests on an abutment body projecting from the open front side into the interior of the shredder/conveyor rotor body.Type: GrantFiled: September 10, 2004Date of Patent: July 18, 2006Assignee: Starlinger & Co. Gesellschaft m.b.H.Inventors: Erna Starlinger-Huemer, Angelika Huemer, Markus Fellinger
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Patent number: 7077345Abstract: A horizontal grinder is disclosed herein. The grinder includes a grinding structure and upper and lower feed conveyors for feeding material toward the grinding structure. The upper feed conveyor is positioned above the lower feed conveyor such that the material fed toward the grinding structure travels between the upper and lower feed conveyors. The grinder also includes a power source for rotating the grinding structure. A controller is provided for controlling the speed of at least one of the lower and upper feed conveyors in proportion to an operating characteristic of the power source.Type: GrantFiled: December 12, 2002Date of Patent: July 18, 2006Assignee: Vermeer Manufacturing CompanyInventors: Michael C. Byram, Dennis K Gabler, John A Carlson
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Patent number: 7059551Abstract: In an assembly including a diesel engine, a fluid coupling connected to the flywheel of the diesel engine, a comminuting machine and a conveyor for feeding the comminuting machine, a fluid coupling module is common to various output power train assemblies. Slip speed of the fluid coupling between impeller input and runner output shafts is measured, and modulates or regulates the process feed rate of the conveyer. An electrically actuated control valve acts as an oil flow diverter valve directing oil into the fluid coupling impeller when a signal to engage the coupling is given, and in response to a signal from an over-temperature sensor when the temperature of circuit oil leaving the element exceeds a preset set point value, diverts the oil to a reservoir, thereby permitting the impeller and runner cavity to evacuate, which separates the engine from the load.Type: GrantFiled: February 19, 2004Date of Patent: June 13, 2006Inventors: Melbourne F. Giberson, Mark T. Simonelli, Frederick C. Wiesinger, Jr., Gerald L. Abrams
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Patent number: 7048212Abstract: The present invention provides a sound activated detection system disposed within the conveyor and/or hammer roll area of a reduction mill for detecting unshredable materials fed into the machine. More specifically, an embodiment of this invention comprises a unshredable debris detector disposed in operative relationship in the material input path and includes a transducer, preferably a piezoelectric crystal, acoustically coupled to a sensing surface disposed transversely across a portion of the input path. Alternative embodiments may include one or more accelerometers, microphones, or other vibration or acoustic sensors either alone or in conjunction with the transducer for detecting the unshredable material.Type: GrantFiled: December 11, 2003Date of Patent: May 23, 2006Inventor: Alan Carey
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Patent number: 7044409Abstract: An improved brush cutter having an upper feed control member with stop, forward, neutral, and reverse positions also has a lower feed stop member with selectable sensitivity. Another aspect of the invention is to predict the feed roller shutoff point according to the rate of engine deceleration. According to another aspect, when the feed rollers stop feeding material into the cutters, to overcome drag on the cutters, a controller stops the feed rollers and then reverses them for a short time, and then reverses the rollers again if the problem is still present. To prevent jamming, a pressure switch senses when oil in a hydraulic motor system for rotating the feed rollers is too high and the controller momentarily reverses the feed rollers and then causes them to go forward, a cycle which can occur several times until the feed rollers are no longer stalled.Type: GrantFiled: October 31, 2001Date of Patent: May 16, 2006Assignee: Vermeer Manufacturing CompanyInventors: Mark Robert Stelter, James L. O'Halloran, Dennis K. Gabler, Jeffrey D. Kernwein, Ivan R. Brand, Brian M. Johnson
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Patent number: 7040557Abstract: A venturi receives incoming material through an inlet tube and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and drying. An airflow generator, coupled to the venturi, generates a high speed airflow to pull the material through the venturi and into an inlet aperture in the airflow generator. The airflow generator directs the received pulverized material to an outlet where the material may be subsequently separated from the air. An acoustic emission sensor receives the resonant frequencies generated by material passing through the airflow generator. The resonant frequencies reflect a material flow rate that is adjusted to avoid an overload situation. An automatic balancer system couples to an axel rotating the airflow generator to provide balance, improve efficiency, and eliminate cavitation.Type: GrantFiled: April 1, 2004Date of Patent: May 9, 2006Assignee: Power Technologies Investment Ltd.Inventors: William Graham, Levi New, Wayne Arthur Case
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Patent number: 7040558Abstract: An improved brush cutter having an upper feed control member with stop, forward, neutral, and reverse positions also has a lower feed stop member with selectable sensitivity. Another aspect of the invention is to predict the feed roller shutoff point according to the rate of engine deceleration. According to another aspect, when the feed rollers stop feeding material into the cutters, to overcome drag on the cutters, a controller stops the feed rollers and then reverses them for a short time, and then reverses the rollers again if the problem is still present. To prevent jamming, a pressure switch senses when oil in a hydraulic motor system for rotating the feed rollers is too high and the controller momentarily reverses the feed rollers and then causes them to go forward, a cycle which can occur several times until the feed rollers are no longer stalled.Type: GrantFiled: February 14, 2005Date of Patent: May 9, 2006Assignee: Vermeer Manufacturing CompanyInventors: Mark Robert Stelter, James L. O'Halloran, Dennis K. Gabler, Jeffrey D. Kernwein
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Patent number: 7011258Abstract: An improved brush cutter having an upper feed control member with stop, forward, neutral, and reverse positions also has a lower feed stop member with selectable sensitivity. Another aspect of the invention is to predict the feed roller shutoff point according to the rate of engine deceleration. According to another aspect, when the feed rollers stop feeding material into the cutters, to overcome drag on the cutters, a controller stops the feed rollers and then reverses them for a short time, and then reverses the rollers again if the problem is still present. To prevent jamming, a pressure switch senses when oil in a hydraulic motor system for rotating the feed rollers is too high and the controller momentarily reverses the feed rollers and then causes them to go forward, a cycle which can occur several times until the feed rollers are no longer stalled.Type: GrantFiled: December 1, 2003Date of Patent: March 14, 2006Assignee: Vermeer Manufacturing Co.Inventors: James L. O'Halloran, Dennis K. Gabler, Jeffrey D. Kernwein, Mark Robert Stelter
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Patent number: 6955310Abstract: A remote control assembly for an infeed area of a wood chipper includes an infeed mechanism(s) associated with the infeed area of the wood chipper and a control system operatively connected to the infeed mechanism(s). The remote control assembly also includes a receiver connected to the control system for receiving a signal and activating the infeed mechanism(s).Type: GrantFiled: October 15, 2002Date of Patent: October 18, 2005Assignee: Tramor, Inc.Inventor: Michael Boyd Morey
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Patent number: 6941987Abstract: Apparatus for processing logs to manufacture wood chips. The apparatus includes a circular disc for passing a series of blades through a chipping station and a chute and spout assembly for feeding logs from a conveyor into the chipping station. A lifting mechanism is mounted for rotation upon a shaft which is situated adjacent to but outside of the chute and spout assembly. A drive unit is arranged to turn the shaft so that the lifting mechanism is rotated between a retracted position outside of the flow described by the chute and spout assembly and an extended position inside the chute and spout assembly whereby the lifting mechanism can contact logs within the assembly and move the logs contra to the direction of flow.Type: GrantFiled: June 9, 2003Date of Patent: September 13, 2005Assignee: CEM Machine, Inc.Inventor: Mark D. Robinson
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Patent number: 6938843Abstract: A system and method for monitoring and control operation of a rotary disk refiner. A characteristic of stock in the refining zone is monitored and used to adjust a parameter, such as dilution water, feed screw speed and/or refiner gap to keep some variable substantially constant, close to a setpoint, within a range of the setpoint, close to a setpoint profile based on a distribution of a characteristic over the refining zone or a setpoint profile range. Refiner disk bar angle can be optimized to reduce refining zone temperature and energy use. Thereafter, the control method can be employed. One control method attempts to keep specific energy substantially constant by keeping a ratio between load and production substantially constant. Load is kept substantially constant by regulation dilution flow to keep refining zone temperature substantially constant. The feed screw is regulated to keep production substantially constant.Type: GrantFiled: June 5, 2002Date of Patent: September 6, 2005Assignee: J & L Fiber Services, Inc.Inventor: Ola M. Johansson
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Patent number: 6837609Abstract: A soil modifying apparatus capable of making accurate production management and controlling a mixture ratio with excellent precision is provided. For this purpose, the apparatus includes target processing amount setting means (21) for a raw soil material, actual raw soil material amount detecting means (12), actual raw soil material amount calculating means (47a), raw soil material feeder speed detecting means (16), predicted raw soil material amount calculating means (43) for calculating a predicted supply amount per hour of the raw soil material, first comparing means (48) for comparing the actual processing amount per hour of the raw soil material, and the predicted supply amount, and raw soil material feeder speed correcting means (25) for correcting a target value of the raw soil material feeder speed based on a comparison result of the first comparing means to control the speed of the raw soil material feeder (8).Type: GrantFiled: March 17, 2003Date of Patent: January 4, 2005Assignee: Komatsu Ltd.Inventors: Yasuhiro Kamoshida, Yasuhiro Yoshida
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Patent number: 6832736Abstract: In a collecting method and a collecting apparatus for collecting foaming gas generated from foaming heat insulator material, as well as in a processing process and apparatus of disposals, disposals 1 including the foaming heat insulator material 5 are charged into a first and a second crushing machines 3 and 17 for separating the foaming gas contained in the foaming heat insulator material 5 thereof, and the separated foaming gas is collected by a collector 29, wherein measurement is made on the concentration of flammable gas separated, so as to control the charging of the disposals 1 and the foaming heat insulator material 5 into the first and second crushing machines 3 and 17, depending upon that concentration measured, thereby collecting the foaming gas with high efficiency, while controlling the concentration of the flammable gas, appropriately and with ease, and an charge amount thereof to be charged, appropriately, depending upon the concentration of that flammable gas contained therein.Type: GrantFiled: February 8, 2001Date of Patent: December 21, 2004Assignee: Hitachi, Ltd.Inventors: Tetsurou Miyamoto, Kanji Fujimori, Eiji Satou, Masakatsu Hayashi, Chihiro Fukumoto
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Publication number: 20040251340Abstract: Rope made of cellulose fibers, the polymeric chemical structure of which fibers has not been modified (referred to as “raw” cellulose fibers), are subjected to intense electron beam irradiation insufficient to degrade their chemical structure but sufficient to modify their physical structure so as to allow them to be comminuted into fragments having a length no more than 6.35 mm (0.25″), preferably less than 3.175 mm (0.125″), and preferably 50% by weight of the fibers have a length less than 70 &mgr;m. Such fragments of fibers are found to be particularly susceptible to being micronized in a micronizer into elongated granular fragments smaller than about 20 &mgr;m at an economical production rate in excess of 22.7 Kg/hr (50 lb/hr) which was not possible when the micronizer was fed with naturally occurring fibers.Type: ApplicationFiled: January 14, 2004Publication date: December 16, 2004Inventors: Bruce Anthony Tavares, Frederick Emmett Coffey, Dennis Keith Rice
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Patent number: 6830204Abstract: A reversing automatic feed wheel assembly for wood chipper includes an infeed assembly and a rotatable cutting assembly spaced from the infeed assembly. The reversing automatic feed wheel assembly also includes at least one feed wheel disposed between the infeed assembly and the cutting assembly to feed wood material to the cutting assembly. The reversing automatic feed wheel assembly further includes a control system operatively connected to the at least one feed wheel to automatically reverse/stop/restart the infeed of the wood material in response to a reduced speed or excessive load placed on the cutting assembly.Type: GrantFiled: December 10, 2001Date of Patent: December 14, 2004Assignee: Tramor, Inc.Inventor: Thomas J. Morey
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Publication number: 20040244870Abstract: Apparatus for processing logs to manufacture wood chips. The apparatus includes a circular disc for passing a series of blades through a chipping station and a chute and spout assembly for feeding logs from a conveyor into the chipping station. A lifting mechanism is mounted for rotation upon a shaft which is situated adjacent to but outside of the chute and spout assembly. A drive unit is arranged to turn the shaft so that the lifting mechanism is rotated between a retracted position outside of the flow described by the chute and spout assembly and an extended position inside the chute and spout assembly whereby the lifting mechanism can contact logs within the assembly and move the logs contra to the direction of flow.Type: ApplicationFiled: June 9, 2003Publication date: December 9, 2004Applicant: CEM Machine, Inc.Inventor: Mark D. Robinson
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Patent number: 6814320Abstract: A reversing automatic feed wheel assembly for wood chipper includes an infeed assembly and a rotatable cutting assembly spaced from the infeed assembly. The reversing automatic feed wheel assembly also includes at least one feed wheel disposed between the infeed assembly and the cutting assembly to feed wood material to the cutting assembly. The reversing automatic feed wheel assembly further includes a control system operatively connected to the at least one feed wheel to automatically reverse/stop/restart the infeed of the wood material including a sensor to sense pressure or reduced speed in the wood chipper as a result of an excessive load placed on either one of the cutting assembly and the at least one feed wheel.Type: GrantFiled: May 24, 2002Date of Patent: November 9, 2004Assignee: Tramor, Inc.Inventors: Thomas J. Morey, Roderick A. Gula
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Patent number: 6799737Abstract: A burn side of a compact disc is maintained in contact with edges of triplet blades while the disc is moved relative to the blades. In one embodiment, the disc is manually moved into and out of an enclosure where the blades scratch the burn side. In another embodiment, a paper shredder provides power to counter rotating rollers that transport the disc through an enclosure where the blades scratch the bum side.Type: GrantFiled: July 29, 2002Date of Patent: October 5, 2004Inventor: Edmund Bargert
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Patent number: 6783089Abstract: A food ingredient grinder assembly (10) having ingredient hoppers (12) and grinding blades (20) for grinding ingredient upon receipt within grinding chamber (14) has a controller that maintains a motor (38) operating after the ingredient in the grinding chamber has been depleted to vibrate and blow away residual ground ingredient from interior surfaces of the grinder assembly to reduce contamination of different type of ingredient subsequently ground in the same grinding chamber and passed to a brew basket (24) through the same outlets and manifold (50). In one embodiment the grinding blades are controlled according to a preselected time period and in another embodiment the control is based on the net weight of the ground ingredient within the brew basket (24) which is measured through use of strain gages (30).Type: GrantFiled: September 17, 1999Date of Patent: August 31, 2004Assignee: Food Equipment Technologies Company, Inc.Inventor: Zbigniew G. Lassota
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Patent number: 6779747Abstract: A method for shredding a document which renders the information unintelligible and prevents or minimizes reassembly of the shredded document reconstruction of the information contained in the document. The ability to reassembly a shredded document is greatly reduced by shredding each page of the document into segments formed by cuts made in the blank space between characters or images on the page. A cut pattern in which all cuts are made in the blank spaces between characters or images produces pieces or shreds of the document which have no partial or portions of characters or marks which can be matched across adjacent pieces. A document is first scanned to provide an image which can be analyzed by a processor to determine a desired cut pattern for the document. The processor then generates a set of instructions to control and adjust the cutting blades in a shredding device to cut the document in the desired cut pattern.Type: GrantFiled: November 27, 2001Date of Patent: August 24, 2004Assignee: Hewlett-Packard Development Company, LP.Inventors: Brent J. McLean, Tim M. Hoberock, Leslie G. Murray
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Patent number: 6766971Abstract: A method and an installation for operating a system for comminuting scrap material is provided. The installation includes a supply device (1) for the scrap material to be comminuted, and a comminuting machine (2) with at least one motor-driven (2.3) rotor (2.2) which has comminuting tools (2.2.1) and is horizontally positioned in a housing (2.1) and has an ejection door (2.1.1). The inventive installation also includes drive means for controlling the power and for protecting the installation from scrap material which is difficult to comminute or which cannot be comminuted at all, such as coarse, heavy or hard parts. For optimizing the comminuting process, the values of the motor output, of the rotation speed of the rotor, of the temperature of the motor and the motor bearings and/or of the height of the scrap material flow (3) supplied to the comminuting machine (2), are inputted in a controller (4) and used to control/regulate the scrap material supply. Technical means (4.5, 4.6, 4.Type: GrantFiled: August 8, 2002Date of Patent: July 27, 2004Assignee: Metso Lindemenn GmbHInventors: August Van Der Beek, Erich Köhl, Rainer Voss, Bernhard Kock
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Patent number: 6752165Abstract: A system and method for monitoring and control operation of a rotary disk refiner. The method regulates refiner operation in response to a process variable preferably in relation to a setpoint. The variable can be temperature, pressure, and/or stock consistency, refiner energy, or a variable based thereon. Volumetric flow rate of stock and/or the flow rate of dilution water can be regulated. Based on a refiner temperature, pressure, and/or stock consistency, refiner energy, or a variable based thereon, the flow rate of stock and/or dilution water can be regulated. Where temperature is used, it preferably can be a temperature inside the refiner or adjacent the inlet or outlet. Where pressure is used, it preferably can be a pressure inside the refiner or adjacent the inlet or outlet. Stock consistency can be determined using a sensor upstream or downstream of the refiner or using a sensed parameter in the refiner.Type: GrantFiled: March 6, 2001Date of Patent: June 22, 2004Assignee: J & L Fiber Services, Inc.Inventor: Ola M. Johansson
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Publication number: 20040112999Abstract: A horizontal grinder is disclosed herein. The grinder includes a grinding structure and upper and lower feed conveyors for feeding material toward the grinding structure. The upper feed conveyor is positioned above the lower feed conveyor such that the material fed toward the grinding structure travels between the upper and lower feed conveyors. The grinder also includes a power source for rotating the grinding structure. A controller is provided for controlling the speed of at least one of the lower and upper feed conveyors in proportion to an operating characteristic of the power source.Type: ApplicationFiled: December 12, 2002Publication date: June 17, 2004Inventors: Michael C. Byram, Dennis K. Gabler, John A. Carlson
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Publication number: 20040094643Abstract: A process for producing a flow of airborne fibers includes feeding a continuous length (2) of a thread bundle of fiber material from a stock (1) of fiber material through a roll press (4) which rotates at a rate of feed and with the thread bundle held fast in the nip between its rollers (11, 12), breaking off individual fibers from the thread bundle by means of a tearer (5), and carrying away the individual fibers broken off by the tearer by means of an air flow.Type: ApplicationFiled: July 1, 2003Publication date: May 20, 2004Inventors: Kary Bevenhall, Tommy Ohlsson
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Patent number: 6719226Abstract: The present invention is a truck mounted mobile paper shredding system, with first and second rotary paper feed systems and a hammer mill paper shredder disposed between the feed systems. The feed systems and hammer mill are transversely mounted relative to the truck which, together with the relative positioning of the feed systems and hammer mill. provides increased paper processing speeds and a more efficient shredding operation. The invention further includes a monitoring system to prevent overfeed of the hammer mill and a low profile lift system which allows the truck to be more readily used in confined areas.Type: GrantFiled: March 19, 2001Date of Patent: April 13, 2004Inventor: Max Ronald Rajewski
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Publication number: 20040056126Abstract: The invention provides a method and an arrangement for operating a system for comminuting scrap material. The installation includes a supply device (1) for the scrap material to be comminuted, and a comminuting machine (2) with at least one motor-driven (2.3) rotor (2.2) which has comminuting tools (2.2.1) and is horizontally positioned in a housing (2.1) and has an ejection door (2.1.1). The inventive installation also includes drive means for controlling the power and for protecting the installation from scrap material which is difficult to comminute or which cannot be comminuted at all, such as coarse, heavy or hard parts. In order to optimize the comminuting process, the values of the motor output, of the rotation speed of the rotor, of the temperature of the motor and the motor bearings and/or of the height of the scrap material flow (3) supplied to the comminuting machine (2), are inputted in a control device (4) and used to control/regulate the scrap material supply. Technical means (4.5, 4.6, 4.Type: ApplicationFiled: July 2, 2003Publication date: March 25, 2004Applicant: Metso LindemannInventors: August Van Der Beek, Erich Kohl, Rainer Voss, Bernhard Kock
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Patent number: 6619574Abstract: The method of monitoring the level of filling of a ball mill which is fed with material to be pulverized and is provided with a drum mounted to rotate on two bearings which are relatively far apart, consists in measuring the weight of the drum using strain gauge weight sensors (11-16) under the bearings supporting the drum of the ball mill and comparing the measured weight to a predefined set point value to regulate the feeding of material to be pulverized to the ball mill. In addition, before the comparison step, the measured weight is corrected by a first weight value (Fv) representative of the vertical component of the force created by the torque driving rotation of the drum.Type: GrantFiled: January 9, 2002Date of Patent: September 16, 2003Assignee: AlstomInventors: Daniel Fontanille, Jacques Barbot
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Patent number: 6607150Abstract: The disclosed method and apparatus for crushing material such as ice include a controller to actively control the speed, volume, temperature, and humidity of airflow to improve the crushing efficiency.Type: GrantFiled: October 11, 2000Date of Patent: August 19, 2003Assignee: Kabushikikaisha Piste Snow IndustriesInventors: Tadao Izutsu, Junichi Ichikawa, Yuichi Nagahara
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Publication number: 20030146315Abstract: A screen assembly 22 includes a conveyor 26 pivotably mounted beneath a screen 24 for segregation of fractions of material, for example from a mobile crusher 10. Hydraulic cylinders (not shown) are used to selectively move telescopic arms 48 (only one of which is shown in the Figures), to raise or lower the conveyor 26 between operative position and inoperative positions. In the operative position the conveyor 26 is substantially parallel to the screen 24 for receiving material which has passed through the screen mesh, in use. In the inoperative position the conveyor 26 is angularly displaced relative to the screen 24 about the pivot, to provide access to the underside of the screen 24, e.g. for maintenance purposes. Removable pins 50 are provided for releasably securing the attitude of the conveyor 26 relative to the screen 24 in the operative position.Type: ApplicationFiled: February 4, 2003Publication date: August 7, 2003Inventor: Ian Boast
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Publication number: 20030111566Abstract: A wood chipper or grinder includes counter rotating upper and lower feed drums driven by a hydraulic motor at variable fluid pressure to produce variable torque to the feed drums. Wood debris fed to a gap between the rollers is advanced toward a grinder or chipper to reduce the material. A hydraulic feed control system operates off the variable hydraulic pressure associated with the motor and, in an automatic mode, exerts more or less downward clamping pressure on the upper feed drum with changes in pressure to the motor. The system sets an upper limit on the clamping pressure in the automatic mode which can be overridden manually if necessary to apply greater downward force than that achievable in the automatic mode. The upper feed drum can also be manually raised if necessary.Type: ApplicationFiled: December 13, 2002Publication date: June 19, 2003Applicant: Morbark, Inc.Inventors: Tony H. Seaman, Daniel J. Schumacher
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Publication number: 20030038194Abstract: A method and an installation for operating a system for comminuting scrap material is provided. The installation includes a supply device (1) for the scrap material to be comminuted, and a comminuting machine (2) with at least one motor-driven (2.3) rotor (2.2) which has comminuting tools (2.2.1) and is horizontally positioned in a housing (2.1) and has an ejection door (2.1.1). The inventive installation also includes drive means for controlling the power and for protecting the installation from scrap material which is difficult to comminute or which cannot be comminuted at all, such as coarse, heavy or hard parts. For optimizing the comminuting process, the values of the motor output, of the rotation speed of the rotor, of the temperature of the motor and the motor bearings and/or of the height of the scrap material flow (3) supplied to the comminuting machine (2), are inputted in a controller (4) and used to control/regulate the scrap material supply. Technical means (4.5, 4.6, 4.Type: ApplicationFiled: August 8, 2002Publication date: February 27, 2003Applicant: Metso Lindemann GmbHInventors: August Van Der Beek, Erich Kohl, Rainer Voss, Bernhard Kock
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Publication number: 20030029946Abstract: A control feedback system and method for industrial processes using automated particle or object analysis is disclosed. The control feedback system and method includes a particle characteristic measuring unit to obtain first measured characteristics of a first sample and second measured characteristics of a second sample, the first sample having a substantially different characteristic than the second sample; an optimal characteristic definition for comparison with the first and second measured characteristics; a corrective action database to define and select actions to be taken in response to a comparison of the first and second measured characteristics with the optimal characteristic definition; and a control line network to transfer control signal to a plurality of processing units in response to a selected action to be taken. Other methods and apparatuses are also described.Type: ApplicationFiled: July 12, 2002Publication date: February 13, 2003Inventors: Kenneth Jonh Lieber, Ian B. Browne, John Tuttle
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Publication number: 20030025011Abstract: A mobile apparatus for combining and dispensing different livestock feeds including roughage, particulate matter and liquids. A control system provides and weighs selected ratios of combined feed sources to establish a desired ration.Type: ApplicationFiled: September 25, 2002Publication date: February 6, 2003Inventor: R. C. Patterson
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Publication number: 20030025012Abstract: A food ingredient grinder assembly (10) having ingredient hoppers (12) and grinding blades (20) for grinding ingredient upon receipt within grinding chamber (14) has a controller that maintains a motor (38) operating after the ingredient in the grinding chamber has been depleted to vibrate and blow away residual ground ingredient from interior surfaces of the grinder assembly to reduce contamination of different type of ingredient subsequently ground in the same grinding chamber and passed to a brew basket (24) through the same outlets and manifold (50).Type: ApplicationFiled: September 17, 1999Publication date: February 6, 2003Inventor: ZBIGNIEW G. LASSOTA
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Patent number: 6502773Abstract: The invention relates to a feed sensor mechanism for a mill cylinder. The purpose of the invention is to provide a structurally simple sensor to detect the product in the entry port of the feed regulator. To this end, a sensor is located in the feed cylinder of the cylinder mill. The sensor is able to detect the force of the incoming product so that a control signal can then be sent to the feed device via a signal converter.Type: GrantFiled: November 5, 1999Date of Patent: January 7, 2003Assignee: Buhler AGInventors: René Hostettler, Thomas Graber
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Patent number: 6491240Abstract: A pre-grinding system for reducing scrape material to chips having a pre-crusher for impact grinding the material, a feed chute for collecting the material for impact grinding, and a hydraulic cylinder section for transferring the material from the feed chute into the pre-crusher. An improvement including a feed chute having an opening providing access into a feed chamber, and a recess in a side wall of the feed chute downwardly extending from the opening in combination with a feed chute cover having a overhang corresponding to the recess, and in which the recess provides horizontal access into the feed chute for viewing into the feed chamber. A further improvement includes a hydraulic actuator and a counterbalance valve for dampening closure of the feed chute cover.Type: GrantFiled: January 31, 2000Date of Patent: December 10, 2002Inventors: Richard Irvin Veeck, George Lazich
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Patent number: 6474576Abstract: A milling apparatus comprises a mill for milling of an object material such as a rare-earth alloy. The mill includes a mill main body. A classifying rotor for classification of a powder is provided inside and at an upper portion of the mill main body. The mill main body has an outer circumference provided with three leg portions spaced equally from each other. Each of the leg portions supports the mill main body at a position above the center of gravity of the mill. Each of the leg portions is provided with a weight detector for detection of a weight of the mill holding the object material remaining in the mill. A flexible pipe is provided between the mill and a raw material feeder for supply of the object material to the mill. Another flexible pipe is provided between the mill and a collecting tank for collection of the powder.Type: GrantFiled: March 9, 2000Date of Patent: November 5, 2002Assignee: Sumitomo Special Metals Co., Ltd.Inventors: Akiyasu Oota, Akihito Tsujimoto, Katsumi Okayama
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Patent number: 6467710Abstract: A roughage processing and dispensing apparatus including a mobile frame defining a floor section for supporting a plurality of bales of roughage, a shredder section in which the bales are shredded, a discharge section for discharging roughage shredded in said shredder section and a bin for particulate feed material; a shredder disposed in the shredder section; a first conveyor for moving at least one of the bales into the shredder means at a given speed; and a conveyor system arranged to receive from the shredder the shredded content of the one bale, and to transport the content to the discharge section. Also included is an auxiliary conveyor for moving the feed material to the discharge section at a selected rate; a drive mechanism operable to provide simultaneous movement of the first conveyor, the auxiliary conveyor and the conveyor system; and a control system for varying the given speed relative to the selected rate.Type: GrantFiled: November 22, 1999Date of Patent: October 22, 2002Inventor: R C Patterson
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Patent number: 6467707Abstract: A closed loop control system for monitoring and regulating operation of a grinding mill to reduce material in quantity to exactly match a processor material demand. The control system regulates the operation of components of a grinding mill at in response to a linear interpolation of variables between predetermined set points stored in register tables, so as to substantially match the mill reducing capability with variations in the percentage of the processor material demand, without the need for operator intervention. Multiple register tables are provided to accommodate different feed materials or blends, and an operational history record is maintained to allow for reconstruction of events leading to any component failures.Type: GrantFiled: October 5, 2000Date of Patent: October 22, 2002Inventor: Robert M. Williams, Jr.
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Patent number: 6419172Abstract: A mobile crusher, which has a high-quality controlling function enabling an efficient production, and which is capable of preventing the crusher itself from being damaged, is provided. For this purpose, a mobile crusher having a feeder (3) and a crusher member (4) which are set drivably on a mobile vehicle body (1), includes means (7) for detecting an amount of a material to be crushed, which detects an amount (H) of a material (6a) to be crushed inside the crusher member (4), and control means (10) for receiving the amount H from the means (7) for detecting the amount of the material to be crushed and controlling a driving speed V of the feeder (3) changeably based on the reception amount H.Type: GrantFiled: September 20, 2000Date of Patent: July 16, 2002Assignee: Komatsu Ltd.Inventors: Kazuyuki Yamazaki, Satoru Koyanagi, Yasutaka Nishida, Katsuhiro Ikegami, Tooru Nakayama, Motoki Kurohara
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Publication number: 20020079250Abstract: The invention relates to a process for separating tenaciously elastic materials such as plastics and rubber from materials tearing and/or defiberizing under high mechanical stress, particularly paper, and to a device for performing said process. The process is characterized in that the mixture of materials to be separated is subjected to high radial, axial and tangential acceleration forces, whereby a mass flow of shredded fibrous material and a mass flow of substantially unshredded plastics is withdrawn separately. The device for performing the process consists of a screen basket which is cylindrical or preferably polygonal in shape and has borings in its jacket to let the defiberized material pass through, a rotatable driving shaft being arranged coaxially inside the screen basket, with blades being attached to said driving shaft, preferably in rigid connection.Type: ApplicationFiled: February 19, 1999Publication date: June 27, 2002Inventors: GERHARD FAHRBACH, HEINZ REINER SCHNETTLER
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Patent number: 6405662Abstract: A compression device for feeding a waste material to a reactor includes a waste material feed assembly having a hopper, a supply tube and a compression tube. Each of the supply and compression tubes includes feed-inlet and feed-outlet ends. A feed-discharge valve assembly is located between the feed-outlet end of the compression tube and the reactor. A feed auger-screw extends axially in the supply tube between the feed-inlet and feed-outlet ends thereof. A compression auger-screw extends axially in the compression tube between the feed-inlet and feed-outlet ends thereof. The compression tube is sloped downwardly towards the reactor to drain fluid from the waste material to the reactor and is oriented at generally right angle to the supply tube such that the feed-outlet end of the supply tube is adjacent to the feed-inlet end of the compression tube.Type: GrantFiled: April 19, 2001Date of Patent: June 18, 2002Assignee: The United States of America as represented by the United States Department of EnergyInventors: Paul M. Williams, Kenneth M. Faller, Edward J. Bauer
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Patent number: 6390397Abstract: An automatic paper shredder is capable of sequentially cutting up to 20 sheets of 20-lb bond paper, up to 9 inches wide. The device has adjustable holders for attachment to conventional wastebaskets of varying shapes. A feed tray holds the stack of paper. Upon selection of either manual (ON) or automatic (AUTO) operation of the machine, a single sheet of paper is fed into the machine by a roller as are subsequent sheets, if any. With the three-way switch set to AUTO, any sheets on the tray are detected by a sensor and are automatically fed into the machine for shredding. A plug-in motor contained in the housing of the machine drives a plurality of shafts for the feed roller and knife rollers. The knife rollers are configured to either shred the paper into about ⅜-inch wide strips or to cross-cut the paper into a plurality of smaller pieces.Type: GrantFiled: October 26, 1999Date of Patent: May 21, 2002Inventor: Joseph Y. Ko