Patents Examined by Shuyi S Liu
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Patent number: 11224882Abstract: The purpose of the present invention is to provide a small rotor for a centrifuge, the rotor being configured such that numerous sample containers can be mounted simultaneously and it is easy to take out the sample containers. In an inner peripheral surface 20A of an outer wall part 20, recessed areas 20B locally carved outward are provided in areas between sample container insertion holes 11 that are adjacent to each other in a circumferential direction. In the locations of the recessed areas 20B, the spaces between adjacent sample containers 51 are wider, and the sample containers 51 can easily be taken out.Type: GrantFiled: April 28, 2017Date of Patent: January 18, 2022Assignee: Eppendorf Himac Technologies Co., Ltd.Inventors: Yusuke Sawa, Jun Sato
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Patent number: 11219904Abstract: A facility for the centrifugal clarification of a suspension includes a centrifuge and a device with a container having a tubular envelope surface at least in sections for conducting the medium, which is arranged on a liquid outlet of the centrifuge. The container with a tubular envelope surface at least in sections includes an inlet for supplying a pressurizing gas, and the volume of the container with a tubular envelope surface at least in sections is smaller than the double receiving volume of the centrifuge.Type: GrantFiled: July 2, 2018Date of Patent: January 11, 2022Assignee: GEA MECHANICAL EQUIPMENT GMBHInventors: Wolf-Dietrich Herberg, Meinolf Berlage
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Patent number: 11219905Abstract: A drive device for a solid bowl screw centrifuge includes a motor for rotating a drum of the centrifuge, a transmission which is connected between the motor and the drum, and a cooling device for cooling the transmission during operation when the drum is rotating. The cooling device is an annular body which is fitted on the outside of the transmission and has an air guiding device that conducts air from farther outwards radially inwards onto a surface of the transmission.Type: GrantFiled: September 1, 2016Date of Patent: January 11, 2022Assignee: GEA Mechanical Equipment GmbHInventors: Juergen Hermeler, Volker Knospe, Martin Overberg, Stefan Terholsen, Andreas Knobel, Christian Driftschroeer
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Patent number: 11213831Abstract: A centrifugal separator having a device for the transformation of kinetic energy of a liquid rotating in a discharge chamber around a rotational axis to pressure energy includes a discharge element for the discharge of liquid out of the discharge chamber, which discharge element has a radially outer part shaped as a body of revolution about the rotational axis and is arranged to be located in a rotating liquid body in the discharge chamber, and at least one outlet channel formed in the discharge element and having an inlet opening located in a surface of the body of revolution and elongated in the liquid flow direction, the inlet opening connecting to the interior of an outlet tube via the outlet channel. The outlet channel has a defined axial height and a defined width which vary along their extension from the inlet opening to the connection to the outlet tube in such a way that a defined aspect ratio h/w decreases along at least a part of the extension of the outlet channel.Type: GrantFiled: June 12, 2019Date of Patent: January 4, 2022Assignee: ALFA LAVAL CORPORATE ABInventor: Leonard Borgström
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Patent number: 11202978Abstract: A liner for a filter sub-assembly has a wall having an innermost surface that bounds a cavity extending between opposing first and second ends of the liner. The wall has a deflected portion extending into the cavity and delimiting an opening. The liner may be used in a rotor of a filter assembly.Type: GrantFiled: December 9, 2018Date of Patent: December 21, 2021Assignee: MANN+HUMMEL GmbHInventors: Anthony W. Fell, Tiago Marques, Angus Rouse, Vikas Jilakarapalli Prabhakar, Robin Nash, Prashanth Mari Ambanna
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Patent number: 11199063Abstract: A hermetically sealed horizontal washing decanter centrifuge for enhanced drilling fluid recovery and drilled solids washing. A process and apparatus for liquid phase-solid phase separation of oil based drilling mud-containing drill cuttings is described including flowing the drilling mud-containing drill cuttings into a horizontal washing decanter wherein the stresses imposed within the decanter act as a wash as the diluent and oil based drilling mud move away from the drill cuttings. Diluent is added prior to flowing the drilling mud containing drill cutting to the hermetically sealed horizontal washing decanter centrifuge. The entire process is performed in a gas-tight environment preventing escape of diluent from the process into the external atmosphere and preventing introduction of gases into the process from the external atmosphere.Type: GrantFiled: March 2, 2017Date of Patent: December 14, 2021Assignee: RECOVER ENERGY SERVICES INC.Inventors: Stan Ross, Mike Biersteker, Wendell Palmer, Paul Sudlow
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Patent number: 11192120Abstract: Provided is a centrifugal field-flow fractionation device that can stably press a fixing member toward an inner peripheral surface of a rotor by a wedge-shaped member, even when a relatively large centrifugal force acts on the wedge-shaped member. An arc-shaped (C-shaped) fixing member 17 is provided along an inner peripheral surface of a channel member 16 on a side of a rotation axis of the channel member 16. A wedge-shaped member 18 is attached between opposite ends of the fixing member 17 and applies a force in a direction of spreading the opposite ends apart, to thereby press the fixing member 17 toward the inner peripheral surface of the rotor 14. The wedge-shaped member 18 has a pair of contact surfaces 184 that respectively come into contact with the opposite ends of the fixing member 17.Type: GrantFiled: December 18, 2017Date of Patent: December 7, 2021Assignee: SHIMADZU CORPORATIONInventors: Kengo Aoki, Hiroki Honda
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Patent number: 11192121Abstract: A blood component separator (1) includes a blood storage vessel (20) that includes a first storage part (21) and a second storage part (22), a slider (30) movable from the first storage part to the second storage part, and a flow path (40f) for communicating an inside and an outside of the storage vessel. When the slider is in the first storage part, the first storage part and the second storage part are in communication with each other. When the slider is inserted into the second storage part, a liquid-tight seal is formed between the slider and the inner peripheral surface of the second storage part and the communication between the first storage part and the second storage part is blocked by the slider. The slider is movable in the second storage part while maintaining the liquid-tight seal between the slider and the inner peripheral surface of the second storage part.Type: GrantFiled: December 20, 2016Date of Patent: December 7, 2021Assignee: TRANSELL Co., Ltd.Inventors: Nariyuki Hamada, Shuji Nakamura, Katsuyuki Sado, Kenta Kaneda
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Patent number: 11179731Abstract: A centrifugal separator has a stationary casing and a centrifuge rotor, which is provided in the stationary casing and arranged to rotate around an axis of rotation at a rotary speed and which includes a plurality of nozzles for discharge of a product from the centrifuge rotor. The centrifugal separator includes a sensor device which includes a transfer element, which has a first part and a second part and which is configured to be mounted in such a way that the first part is located inside the stationary casing and outside the centrifuge rotor and that the second part is located outside the stationary casing. At least the first part of the transfer element has an elongated shape, a receiving head, which includes the first part of the transfer element.Type: GrantFiled: June 8, 2017Date of Patent: November 23, 2021Assignee: ALFA LAVAL CORPORATE ABInventor: Magnus Sundin
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Patent number: 11174458Abstract: Cell separation systems and methods of separating cells are disclosed. In an embodiment, a cell separation system is described that comprises a non-transitory storage device that executes a centrifugation program to separate cell volume from biologic material volume; a heating mechanism; a containment mechanism; and an assembly comprised of a single-walled centrifugation bowl. In an embodiment, methods of separating cells are disclosed whereby cells are separated by agitating a volume of biologic material and a volume digestion media to form a digested volume of biologic material; centrifuging the digested volume of biologic material; removing a portion of a resulting waste via at least one fluid outlet; isolating a different portion of the waste, and removing the concentrated cell volumes from the reservoir.Type: GrantFiled: December 13, 2018Date of Patent: November 16, 2021Assignee: KOLIGO THERAPEUTICS, INC.Inventors: Rolf Wolters, Jules Valenti, Tom Gurski
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Patent number: 11149601Abstract: An oil separator for separating oil droplets and/or oil mist from gases, in particular from blow-by gases of an internal combustion engine is described.Type: GrantFiled: May 26, 2017Date of Patent: October 19, 2021Assignee: 3NINE ABInventors: Sebastian Brinker, Christoph Erdmann, Francesco Zitarosa
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Patent number: 11135599Abstract: A centrifugal separator recovers high specific gravity solids such as whole cells while at the same time enabling sedimentation of low specific gravity solids such as cell debris. The separator is provided with a dual zone separator liner with concentric separator shells or zones. Feed fluid is introduced into an inner shell. High specific gravity solids accumulate against the inner wall of the inner shell. Feed fluid flows into the coaxial outer shell where lower specific gravity solids accumulate on the inner wall of the outer shell under higher g-force relative to that within the inner shell for the same rotational speed. Feed fluid flows out an exit channel. Longitudinal, planar vanes are radially disposed between an outer shell inner wall and an inner shell outer wall. After centrifugation, feed fluid in the inner shell is drained, then accumulated solids are drained from the inner shell into an appropriate receptacle.Type: GrantFiled: August 7, 2014Date of Patent: October 5, 2021Inventor: Robert B. Carr
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Patent number: 11103883Abstract: Provided is a centrifuge including: a rotary chamber configured to rotate so that centrifugal force acts on a substance contained in the rotary chamber; a storage unit configured to store a certain component separated from the substance in the rotary chamber by the centrifugal force according to rotation of the rotary chamber; and a filter located between the storage unit and the rotary chamber and through which the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber, passes to be stored in the storage unit. The storage unit includes a return prevention unit configured to prevent the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber and is stored in the storage unit, from returning from the storage unit to the rotary chamber.Type: GrantFiled: December 8, 2016Date of Patent: August 31, 2021Assignee: MEDIKAN CO., LTD.Inventors: Hee Young Lee, Hyun Jin Yang, Dae Chang Bae
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Patent number: 11090585Abstract: A system and a method of continuously separating submicron thickness laminar solid particles from a solid suspension, segregating the suspension into a submicron thickness particle fraction suspension and a residual particle fraction suspension, the method comprising the steps of; providing a continuous centrifuge apparatus; providing a suspension of submicron thickness laminar solid particles in a solid suspension; wherein the solid suspension comprises the submicron thickness solid particles in a liquid continuous phase; separating the solid suspension in the apparatus.Type: GrantFiled: November 25, 2016Date of Patent: August 17, 2021Inventors: Paul Ladislaus, Lee Glasgow
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Patent number: 11090584Abstract: Gas-tight decanter centrifuge process for separation of volatile organic compounds from drilling fluid. A method is described for removing low gravity solids from a mixture of recovered oil based drilling fluid and low gravity solids and diluent. A gas-tight decanter centrifuge that is designed and constructed for this purpose in a gas-tight manor so to ensure vapour cannot escape the decanting process, and foreign oxygen cannot enter the process under normal operating conditions.Type: GrantFiled: August 23, 2016Date of Patent: August 17, 2021Assignee: RECOVER ENERGY SERVICES INC.Inventors: Stan Ross, Paul Sudlow
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Patent number: 11091965Abstract: Extracting and separating solid particulates from a drilling fluid includes combining a stream of drilling fluid containing solid particulates with a liquefied gas to form a mixture having a reduced viscosity and/or density. The mixture enters a centrifugal separator at a pressure sufficient to keep the liquefied gas in a liquid phase where rotational forces promote the separation of at least a portion of the solid particulates from the mixture. At least a portion of the solid particulates are removed to form a fluid stream having reduced solids content. In embodiments the liquefied gas can be selected from the group consisting of an inert gas, an alkane gas, an alkene gas, an alkyne gas, a noble gas, and combinations thereof. The liquefied gas can be removed from the fluid stream after the centrifugal separator and recycled back to be mixed with the stream of drilling fluid containing solid particulates.Type: GrantFiled: October 9, 2017Date of Patent: August 17, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Kevin G. Kleinguetl, Dale E. Jamison
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Patent number: 11084046Abstract: An embodiment of the invention provides an aerosol concentrating apparatus for use with an aerosol aging drum, where the aerosol concentrating apparatus includes an outer housing, an aerosol inlet tube connected to the outer housing, and an extraction tube connected to the outer housing. An axle connected to the outer housing is axially centered within the outer housing, where the axle is formed from porous material. An inner housing is connected to the axle, such that the axle is axially centered within the inner housing, and such that the inner housing is adapted to spin about the axle within the outer housing to separate aerosol particles by size. Aerosol particles below a first threshold size are forced out of the aerosol concentrating apparatus through the axle; and, aerosol particles between the first threshold size and a second threshold size are suspended within the inner housing.Type: GrantFiled: October 3, 2017Date of Patent: August 10, 2021Assignee: The Government of the United States, as Represented by the Secretary of the ArmyInventors: Jaime B. Anderson, Mark M. Bailey, Larry E. Bowen, Brett R. Haupt
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Patent number: 11071985Abstract: A centrifugal microfluidic chip mounting, kit and method include a swivel joint permitting a chip to rotate about an axis of the chip in a plane swept by a centrifuge, and a force applicator for controlling an angle of the swivel and for applying a force in proportion to a rotational rate of the centrifuge. The mounting includes: a blade part (18) that couples to, or defines, a blade (10) of a centrifuge at a radial distance from a centrifuge axis (12); a chip part (20) that holds the chip at an orientation having a normal not perpendicular to the axis; a one degree of freedom (DoF) joint (16) between the blade part and the chip part; and a force applicator (28) which bears on the chip part at a fixed set of one or more points, which do not surround, and are not surrounded by, the joint.Type: GrantFiled: May 26, 2015Date of Patent: July 27, 2021Assignee: National Research Council of CanadaInventors: Liviu Clime, Teodor Veres, Keith Morton
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Patent number: 11059053Abstract: A centrifugal separator structure is configured for cleaning of crankcase gases from an internal combustion engine. The centrifugal separator structure includes a separator rotor configured for rotation about a centre axis arranged inside a stationary housing. The separator rotor includes an axle member configured for connection to a shaft of a driving device. A stack of separation discs is supported on the axle member. The axle member is un-journaled inside the stationary housing when the centrifugal separator structure is separate from the driving device. Further, an assembly includes the centrifugal separator structure and a driving device.Type: GrantFiled: May 30, 2016Date of Patent: July 13, 2021Assignee: ALFDEX ABInventors: Thomas Eliasson, Peter Franzén, Torgny Lagerstedt
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Patent number: 11059007Abstract: The invention relates to a rotor (10) of a dual centrifuge wherein the rotor has a rotor head (12) and an additional rotational mechanism for at least one rotational unit (22) which is provided in the rotor head (12) and comprises a bearing unit (70) and a rotational head (24) that is connected to the bearing unit (70) which is rotatably mounted and can be driven relative to the rotor head (12) by an additional rotational mechanism, an opening (16) for the rotational unit (22) being provided in which the rotational unit is accommodated and by means of which the bearing (70) is arranged such that it is fixed relative to the rotor head (12).Type: GrantFiled: November 24, 2015Date of Patent: July 13, 2021Assignee: ANDREAS HETTICH GMBH & CO. KGInventors: Jovan Dobos, Anke Lenz, Ulrich Massing, Klaus-Guenter Eberle