Pulsating Current Patents (Class 209/455)
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Patent number: 11718773Abstract: Some embodiments of the present disclosure relate to an adhesive formulation comprising a high viscosity silyl modified polymer. In some embodiments, the adhesive formulation may further comprise additional components, such as but not limited to, at least one moisture scavenger, at least one adhesion promoter, at least one catalyst, at least one filler, at least one plasticizer, at least one antioxidant, or any combination thereof. In some embodiments, the adhesive formulation may exclude a low viscosity polymer. In some embodiments, the adhesive formulation may include a low viscosity polymer in no more than a specified amount. At least one method of using the adhesive formulation and at least one roofing system comprising the adhesive formulation are also described herein.Type: GrantFiled: September 28, 2022Date of Patent: August 8, 2023Assignee: BMIC LLCInventors: Lingtao Yu, Linlin Xing
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Patent number: 10864797Abstract: Disclosed is an air conditioning apparatus for a vehicle, the air conditioning apparatus including: an air conditioning duct forming a passage for conditioned air, and provided with an outlet on a wall surface thereof for directing conditioned air. A door is provided inside the air conditioning duct, with a rotation shaft being provided on a wall surface opposite to the wall surface of the air conditioning duct. The door opens and closes the air conditioning duct by a rotation thereof. A partition wall protrudes from a surface of the door along the wall surface of the air conditioning duct. The partition wall opens and closes the outlet in response to the rotation of the door.Type: GrantFiled: May 4, 2017Date of Patent: December 15, 2020Assignee: HYUNDAI MOTOR COMPANYInventors: Sang Shin Lee, Jae Woo Park, So Yoon Park, Man Ju Oh, Jae Woong Kim, So La Chung
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Patent number: 10427121Abstract: A device for non intrusive agitation of a fluid is provided, including a container adapted to contain the fluid, at least one of the walls thereof includes a membrane and a main movable stirring means inside the container adapted to stir at least the fluid. The first flexible element is adapted to interfere mechanically with an external movable impulsion means, thus creating a deformation which has a mechanical interference with the main movable stirring means. This movement of such impulsion means is transmitted to the main movable stirring means by the interposition of the first flexible element.Type: GrantFiled: February 1, 2013Date of Patent: October 1, 2019Assignee: ASOCIACION CENTRO DE INVESTIGACION COOPERATIVA EN BIOMATERIALES (CIC biomaGUNE)Inventor: Marcos Simon Soria
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Patent number: 9321050Abstract: An ultrasonic microfluidic system includes a separation channel for conveying a sample fluid containing small particles and large particles, flowing substantially parallel, adjacent to a recovery fluid, with which it is in contact. An acoustic transducer produces an ultrasound standing wave, that generates a pressure field having at least one node of minimum pressure amplitude. An acoustic extension structure is located proximate to said separation channel for positioning said acoustic node off center in said acoustic area and concentrating the large particles in said recovery fluid stream.Type: GrantFiled: March 17, 2015Date of Patent: April 26, 2016Assignee: Lawrence Livermore National Security, LLCInventors: Klint A. Rose, Karl A. Fisher, Douglas A. Wajda, Raymond P. Mariella, Jr., Christopher Bailey, Dietrich Dehlinger, Maxim Shusteff, Byoungsok Jung, Kevin D. Ness
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Patent number: 8991614Abstract: An ultrasonic microfluidic system includes a separation channel for conveying a sample fluid containing small particles and large particles, flowing substantially parallel, adjacent to a recovery fluid, with which it is in contact. An acoustic transducer produces an ultrasound standing wave, that generates a pressure field having at least one node of minimum, pressure amplitude. An acoustic extension structure is located proximate to said separation channel for positioning said acoustic node off center in said acoustic area and concentrating the large particles in said recovery fluid stream.Type: GrantFiled: April 7, 2014Date of Patent: March 31, 2015Assignee: Lawrence Livermore National Security, LLCInventors: Klint A. Rose, Karl A. Fisher, Douglas A. Wajda, Raymond P. Mariella, Jr., Christopher Bailey, Dietrich Dehlinger, Maxim Shusteff, Byoungsok Jung, Kevin D. Ness
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Patent number: 8727129Abstract: An ultrasonic microfluidic system includes a separation channel for conveying a sample fluid containing small particles and large particles, flowing substantially parallel, adjacent to a recovery fluid, with which it is in contact. An acoustic transducer produces an ultrasound standing wave, that generates a pressure field having at least one node of minimum pressure amplitude. An acoustic extension structure is located proximate to said separation channel for positioning said acoustic node off center in said acoustic area and concentrating the large particles in said recovery fluid stream.Type: GrantFiled: August 10, 2012Date of Patent: May 20, 2014Assignee: Lawrence Livermore National Security, LLC.Inventors: Klint A. Rose, Karl A. Fisher, Douglas A. Wajda, Raymond P. Mariella, Jr., Christopher Bailey, Dietrich Dehlinger, Maxim Shusteff, Byoungsok Jung, Kevin D. Ness
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Patent number: 8720697Abstract: A securing device for securing a screening panel to a support frame of a vibrating screen assembly. The securing device has a body with a securing means at one end and a stub at the lower end. The securing means is shaped to mate with a complementary securing cavity in the screening panel and has a hole that receives a pin located in the securing cavity. The stub may be threaded to engage the support frame.Type: GrantFiled: September 10, 2009Date of Patent: May 13, 2014Assignee: Ludowici Technologies Pty LtdInventors: Bradley Alan Pryde, Peter Martin Olsen
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Patent number: 8573404Abstract: In one general aspect, an instrument for measuring characteristics of particles suspended in a fluid is disclosed. It includes a closed wall surface defining a fractionation channel having a input opening, an output opening, and a flow axis that spans downstream from the input opening for the channel to the output opening. A force application subsystem has a force application output oriented perpendicular to at least part of the flow axis of the fractionation channel. A particle characteristic measurement subsystem is located hydraulically downstream from at least a portion of the closed wall surface defining the fractionation channel, and includes a sensor positioned to sense a property of the suspended particles in the potential measurement subsystem as well as a signal output responsive to the sensor.Type: GrantFiled: December 17, 2010Date of Patent: November 5, 2013Assignee: Malvern Instruments, Ltd.Inventor: Fraser McNeil-Watson
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Patent number: 6695147Abstract: This invention provides an extraction device and a method for extracting desired particles from a sample stream containing the desired particles. The device has a sample stream inlet, an extraction stream inlet, and an extraction channel in fluid communication with the sample stream inlet and the extraction stream inlet. The extraction channel is for receiving a sample stream from the sample stream inlet in adjacent laminar flow with an extraction stream from the extraction stream inlet. A sequestering material within the extraction channel captures desired particles in the extraction stream. A by-product stream outlet in fluid communication with the extraction channel receives a by-product stream comprising at least a portion of the sample stream form which desired particles have been extracted. A product outlet in fluid communication with the extraction channel receives a product which has the sequestering material and at least a portion of the desired particles.Type: GrantFiled: October 12, 1999Date of Patent: February 24, 2004Assignee: University of WashingtonInventors: Paul Yager, James P. Brody
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Patent number: 6561359Abstract: An apparatus and method for removing lightweight particulates during processing of a primary material. The apparatus includes a classification tank having an inlet, an outlet and a plurality of settling stations located therebetween. A slurry of fluid and particles is introduced into the inlet and directed towards the outlet. As the slurry traverses along the classification tank, particles come out of suspension at the settling stations according to weight and to a lesser degree, density. The composition as well as the quantity of particles at the settling stations is periodically inspected. If particles deposited at a particular settling station are more or less the same size, and if they have accumulated in sufficient quantity, they are discharged to a flume which directs them to preselected collection areas.Type: GrantFiled: March 1, 2001Date of Patent: May 13, 2003Assignee: Astec Industries, Inc.Inventors: Alan R. Egge, Stephen Anderson
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Patent number: 5791496Abstract: A jigging machine for treating minerals has a jigging tank with a jigging container and an air chamber. The jigging tank contains water. The air chamber has at least one inlet valve and at least one outlet valve. A compressed air supply is connected to the at least one inlet valve. Compressed air is pulsed via the at least one inlet valve into the air chamber for forcing the water contained in the jigging tank from the air chamber into the jigging container and, after each pulse of compressed air, the water flows back into the air chamber and forces the air out of the air chamber via the at least one outlet valve. The air chamber has an outlet opening positioned below the lowest permissible water level occurring during a jigging pulse. This outlet opening is constantly open during operation of the jigging machine.Type: GrantFiled: December 15, 1995Date of Patent: August 11, 1998Assignee: allmineral Aufbereitungstechnik GmbH & Co. KGInventor: Walter Strangalies
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Patent number: 5769242Abstract: A jigging machine for treating minerals has a jigging tank including a jigging container and an air chamber arranged above the jigging container. The jigging tank contains water. The air chamber has at least one inlet valve and at least one outlet valve. A compressed air supply is connected to the at least one inlet valve. Compressed air is pulsed via the at least one inlet valve into the air chamber for forcing the water contained in the jigging tank from the air chamber into the jigging container. After each pulse of compressed air the water flows back into the air chamber and forces the air out of the air chamber via the at least one outlet valve. A suction blower is connected to the at least one outlet valve for removing the air from the air chamber.Type: GrantFiled: December 15, 1995Date of Patent: June 23, 1998Assignee: Allmineral Aufbereitungs-technik GmbH & Co. KGInventor: Walter Strangalies
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Patent number: 5740920Abstract: A pneumatic jigging screen device has an air chamber for generating pulsation which is connected to a compressed air source. An air outlet is provided. An air inlet valve in the form of a disk valve is connected between the compressed air source and the air chamber and includes a valve rod. An air outlet valve in the form of a disk valve is connected between the air chamber and the air outlet and includes a valve rod. A first pneumatic valve drive is coupled to the valve rod of the air inlet valve. A second pneumatic valve drive is coupled to the valve rod of the air outlet valve. A first electromagnetic control valve is connected between the first pneumatic valve drive and the compressed air source. A second electromagnetic control valve is connected between the second pneumatic valve drive and the compressed air source.Type: GrantFiled: July 28, 1995Date of Patent: April 21, 1998Assignee: Ruhrkohle AktiengesellschaftInventor: Helmut Timmermann
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Patent number: 5207742Abstract: A nuclear jig control unit which is an electronically controlled system employing nuclear sensing devices and electro-hydraulic operators to proportionally control the opening and closing of a refuse gate of a jig. These components permit remote operator control and monitoring of the jig. The system provides for immediate adjustment of the specific gravity setting which triggers refuse discharge. This allows complete removal of the built-up refuse yet minimizes inadvertent coal losses with the refuse.Type: GrantFiled: March 9, 1992Date of Patent: May 4, 1993Assignee: Svedala Industries, Inc.Inventors: G. Edward Scutt, John J. Glista
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Patent number: 5203461Abstract: A preferred mineral jig apparatus includes a jig tank having a laterally oriented piston and cylinder assembly mounted therewithin. The piston and cylinder assembly defines two compartments, with reciprocating motion of the piston causing pulsating action of the water within the two respective compartments. The piston and cylinder assembly includes a cylinder, a piston assembly and a piston rod connected to the piston assembly. The piston rod includes an internal channel to convey make-up water to the tank from an external water source. The piston rod is supported for lateral reciprocating motion by at least two downwardly hanging leaf springs. The piston assembly comprises a pair of separated piston plates oriented transversely relative to the cylinder. The separated piston plates defining a space therebetween as well as a separation distance between the piston plates. The piston rod is connected to one of the piston plates.Type: GrantFiled: October 4, 1991Date of Patent: April 20, 1993Assignee: R. A. Hanson Company, Inc.Inventors: Raymond A. Hanson, Wayne F. Crockett
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Patent number: 5059311Abstract: An improved process and apparatus for separating particulate solids based on differences in their specific gravities through agitation in alternating upward and downward water/liquid currents generated by discharges from a water/liquid column of fluctuating height, stored in a water/liquid holding tank connected laterally to and/or above the pulse chamber of a separation jig, wherein the intensity of the discharges and the upward and downward currents thus created are a function of the height of the water/liquid column, which is in turn responsive to the condition and composition of the body of particulate solids undergoing separation.Type: GrantFiled: July 26, 1988Date of Patent: October 22, 1991Inventor: John M. Ganz
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Patent number: 4842146Abstract: A pulsator for enriching, particularly, hard coal has mounted in a pulsating compartment a hoisting wheel and a bracket both mounted on a drive shaft, or a ratchet wheel mounted on a drive shaft which runs in bearings above the liquid level of a working trough. The pulsating compartment is of cylindrical shape and is connected to working trough along its longer side and separated from the working trough with a wall. The pulsating compartment consists of an outer wall to which is welded a bottom wall shaped as an arc and connected via a vertical wall to an oblique wall of the working trough. The bottom wall is provided at its lowest point with a grate encased with a pulp outlet stub pipe. The hoisting wheel consists of a side wall connected with an outer screen which is connected in turn to an outer ring along the periphery of the outer screen.Type: GrantFiled: January 11, 1988Date of Patent: June 27, 1989Assignee: Zabrzanskie Gwarectwo Weglowe Kopalnia Wegla Kamiennego "Zabrze-Bielszowice"Inventors: Boleslaw Jondro, Jan Janik, Herbert Pyka
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Patent number: 4832835Abstract: A method and apparatus for treating minerals such as coal in a jig bed having a downwardly opening air chamber beneath the bed wherein the chamber has an air compartment at the upper end retaining a cushioned pillow of air between each jig pulsation with controlled air admitted and relieved from the chamber so that when air is relieved, the water rising in the chamber compresses the air at the upper end and a cushion of air is retained so that with admission of pressurized air, the cushion aids in forcing the column of water from the chamber, particularly at the beginning of operation of the jig.Type: GrantFiled: June 1, 1987Date of Patent: May 23, 1989Assignee: Klockner-Humboldt-Deutz AGInventors: Werner Strauss, Helmut Timmermann, Werner Hasse, Karl-Heinz Weiffen
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Patent number: 4783253Abstract: A process for treating radioactive contaminated soils to remove radioactive metal oxide contaminants therefrom comprises creating a suspension of particles of the soil in a column of water, alternately forcing fresh water in the column upwardly to force ligher soil particles upwardly in the column and allowing heavier particles to gravitationally settle in the bottom of the water column. The heavy particles comprising radioactive metal oxides are collected and handled for radioactive waste material storage. The aqueous slurry of lighter soil particles is directed to a separator for removing substantial amounts of water after which the particles are directed to a conveyor and spread out to a substantially uniform thickness and detected for any radioactivity. Portions of material in which radioactive particles are detected ar diverted and the uncontaminated soil material is recovered.Type: GrantFiled: April 21, 1986Date of Patent: November 8, 1988Inventors: James W. Ayres, Alfred W. Western
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Patent number: 4747942Abstract: A wet jig mechanism for handling coal or other minerals wherein a container receives a slurry of water and coal and the water is pulsed by delivering an alternate charge of compressed air beneath the surface of the water and alternately venting the area beneath the surface with the alternate pulsing and venting controlled by a pulsing valve having valve chambers with one chamber having ports connected beneath the surface of the container and to a source of compressed air in the other chamber connected beneath the surface of the liquid in the container and vented to atmosphere with the ports being controlled by butterfly valve plates in each chamber mounted on a common shaft and the chambers having liners or bushings rotatable to control the ports and time and duration of opening of the ports.Type: GrantFiled: July 14, 1986Date of Patent: May 31, 1988Assignee: Klockner-Humboldt-Deutz AktiengesellschaftInventor: Werner Strauss
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Patent number: 4712682Abstract: An electronic control method and apparatus for controlling the sloughing strokes in sloughing machines for coal and other minerals, has a stroke frequency generator which supplies recurrent signal codes to parallel-connected inlet and outlet stroke generators. Power amplifiers are connected to the stroke generators for amplifying command pulses therefrom, the pulses being supplied to inlet and outlet valves of the machine. A signal code is supplied from the stroke frequency generator through a divisor in a freely selectable clock sequence to the outlet stroke generator or alternatively the divisor releases the command pulse from the outlet stroke generator to the outlet valve in a freely selectable clock sequence.Type: GrantFiled: October 4, 1985Date of Patent: December 15, 1987Assignee: M.A.N.Maschinenfabrik Augsburg-Nurnberg AktiengesellschaftInventor: Ulrich Reilard
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Patent number: 4663031Abstract: The invention relates to a percussion jig in which the chutes for receiving and discharging the material to be separated are each divided into a plurality of individual chute segments arranged spaced from one another so that the spaces between adjacent individual chute segments facilitate a free equalization of the levels of the settling fluid during the upward and downward movements of the settling tank.Type: GrantFiled: February 3, 1986Date of Patent: May 5, 1987Assignee: Krupp Polysius AGInventors: Otto Heinemann, Hans-Hermann Nanz, Gunter Milewski, Norbert Schroder
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Patent number: 4559135Abstract: A jigging machine comprises at least one pulsation chamber, particularly for finest grain sizing of coal or other minerals which traverse the jigging machine on the jig bed which is shorter in the direction of motion of the minerals that at right angles to the direction of motion, whereby the jigging machine is designed as a bottom-pulsed machine. The jigging machine comprises curved lateral walls whose curvature is such that only tensile stresses occur in the walls, is designed suspended in an upper frame, and has the pulsation chamber disposed immediately below the jig bed which rests on cross tie rods.Type: GrantFiled: May 29, 1984Date of Patent: December 17, 1985Assignee: Klockner-Humboldt-Deutz AGInventor: Werner Strauss
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Patent number: 4278536Abstract: A starting method for an electro-pneumatically actuated wet-settling machine, for the separation of mineral mixtures, particularly coal, into their constituent components, in which the separation of the mineral mixture takes place through the pulsation of a separating liquid which is energized and controlled by means of compressed air in pulsation chambers which have electrically controlled air inlet and outlet valves, and in which the initiation of the wet-settling process takes place after a standstill, at least partially automatically, particularly through an electrically or electronically operating automatic starter, which starts at least some settling machine apparatus and/or their components in a predetermined dependency upon one another.Type: GrantFiled: March 12, 1979Date of Patent: July 14, 1981Assignee: Klockner-Humboldt-Deutz AGInventor: Karl-Heinz Weiffen
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Patent number: 4264440Abstract: A washbox comprising a vessel divided into a stratification compartment and an adjacent reject compartment, a perforate grid plate extending across upper parts of the compartments. First pulsation means activates the water in the stratification compartment, and second pulsation means activates the water in the reject compartment separately and in isolation from the stratification compartment. A divider is mounted above the part of the grid plate which extends over the reject compartment, an upper surface of the divider defining a first outlet channel by which material of a lower density may pass from the washbox, whilst a lower surface of the divider, together with the said part of the grid plate which extends over the reject compartment, defines a second outlet channel along which material of higher density may pass from the washbox.Type: GrantFiled: July 2, 1979Date of Patent: April 28, 1981Assignee: Norton-Harty Colliery Engineering Ltd.Inventors: Walter M. Wallace, Geoffrey F. Craven
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Patent number: 4248702Abstract: A wash box for separating materials produced in, for example a mining operation, into fractions of different densities. The machine is divided vertically into compartments, including at least one stratification compartment and at least one reject compartment, the raw material being delivered onto the grid, the level of water in the compartments being higher than the grid. Vertical pulsations are applied to the water in the compartments, causing the water to travel through the perforations of the grid. The pulsations applied to the stratification compartment are effective to stratify the material on the grid, movement of the water through the wash-box tending to carry the lighter fraction from the wash-box while the pulsations applied to the reject compartment determine the rate at which the heavier fraction reject material falls from the grid plate into a reject extraction chamber adjacent to the reject compartment.Type: GrantFiled: August 8, 1979Date of Patent: February 3, 1981Assignee: Norton-Harty Colliery Engineering LimitedInventors: Walter M. Wallace, Geoffrey F. Craven
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Patent number: 4019981Abstract: A method and apparatus for the preparation of mineral mixtures, particularly of rough washed coal, on a jig which is controlled by compressed air in which the separating liquid, with the aid of control valves arranged in the supply conduits for air and/or separating liquid, is moved periodically up and down through the openings in the settling material carrier, wherein the pulsating movement of the separating liquid is effected with the aid of an electronic valve impulse control of the compressed air and/or the quantity of separating liquid conveyed to the settling tank.Type: GrantFiled: December 1, 1975Date of Patent: April 26, 1977Assignee: Klockner-Humboldt-Deutz AktiengesellschaftInventors: Hanns Stern, Alexander Lotz