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公开(公告)号：US20220401966A1
公开(公告)日：2022-12-22
申请号：US17772362
申请日：2020-11-06
申请人： Alfdex AB
发明人： Patrik JONSSON
摘要： A disc stack of frustoconical separation discs is configured to be mounted in a separation chamber of a centrifugal separator. The discs are stacked upon each other in a manner forming narrow separation spaces between adjacent discs. The discs are welded to each other at radially outer portions of the discs. A rotor unit for a centrifugal separator, a centrifugal separator including a rotor unit, a method of providing a disc stack of frustoconical separation discs, and a method of providing a rotor unit for a centrifugal separator are also disclosed.
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公开(公告)号：US20220388016A1
公开(公告)日：2022-12-08
申请号：US17776732
申请日：2020-11-09
摘要： A separator disc for a centrifuge, such as for a separator, is provided. The separator disc is designed to be arranged in a separator disc stack in the interior of a drum of the centrifuge in order to separate a material mixture. The separator disc has a truncated cone shell-like main part produced from a blank in a forming method and has an inner surface, an outer surface, and at least one functional element applied thereon. The at least one functional element is produced using an additive manufacturing method.
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公开(公告)号：US11331679B2
公开(公告)日：2022-05-17
申请号：US15989709
申请日：2018-05-25
发明人： Kevin Stingel , Mikael Sundgren
摘要： A centrifugal separator for separating milk into a cream phase and a skim milk phase is described. The separator includes a centrifuge bowl, a disc stack of conical discs arranged inside the centrifuge bowl. The disc stack includes a first set of discs and a second set of discs, the discs in the disk stack includes distribution openings such that the milk passes the first set of discs before passing the second set of discs. The discs in the first set of discs are separated from each other by a first distance, and the discs in the second set of discs are separated from each other by a second distance which is smaller than the first distance.
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公开(公告)号：US11123753B2
公开(公告)日：2021-09-21
申请号：US16346000
申请日：2017-10-25
发明人： Sven-Åke Nilsson , Peter Thorwid
摘要： A centrifugal separator (14) comprises a stationary frame (15), a spindle (16) rotatably supported by the frame, a centrifuge rotor 17 mounted to a first end of the spindle to rotate together with the spindle around an axis (X2) of rotation. A stack (10) of separation discs (1) is arranged to rotate coaxially with the centrifuge rotor The stack of separation discs comprises a set of axially aligned separation discs with an inner surface and an outer surface and a plurality spot-formed spacing members extending from a base from at least one of the inner surface and the outer surface The surface density of said spot-formed spacing members is above 25 spot-formed spacing members/dm2 throughout the inner and/or outer surface of the separation disc. A first region at a bottom of the discs has a higher density of the spot-formed spacing members than a second region.
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公开(公告)号：US10675640B2
公开(公告)日：2020-06-09
申请号：US15305749
申请日：2015-04-23
发明人： Mats-Örjan Pogén
摘要： A centrifugal separator is configured for cleaning of crankcase gases from an internal combustion engine. The centrifugal separator includes a rotor rotatably arranged inside a stationary housing. The stationary housing includes an inlet for crankcase gases, a gas outlet, and a liquid outlet. The rotor includes a stack of separation discs, each separation disc of the stack of separation discs having a center axis, an inner surface, and an outer surface. A circumferential inner end surface extends between the inner surface and the outer surface. The circumferential inner end surface of at least one separation disc of the stack of separation discs includes a substantially flat first surface portion extending at an angle of at least 20 degrees to the center axis.
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公开(公告)号：US20190247865A1
公开(公告)日：2019-08-15
申请号：US16342095
申请日：2017-10-25
发明人： Sven-Åke NILSSON , Peter THORWID
摘要： A separation disc for a centrifugal separator is adapted to be included in a stack of separation discs inside a centrifugal rotor for separating a fluid mixture. The separation disc has a truncated conical shape with an inner surface and an outer surface and a plurality of spot-formed spacing members extending from at least one of the inner surface and the outer surface. The spot-formed spacing members are for providing interspaces between mutually adjacent separation discs in a stack of separation discs, and the plurality of spot-formed spacing members are tip-shaped and taper from a base at the surface of the separation disc towards a tip extending a height from the surface. A stack of separation discs, a centrifugal separator and a method for separating at least two components of a fluid mixture are also disclosed.
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公开(公告)号：US10118184B2
公开(公告)日：2018-11-06
申请号：US14397103
申请日：2013-03-18
申请人： 3NINE AB
发明人： Claes Inge , Peter Franzén
摘要： Conical disc element (22) for a rotor of centrifugal separators, wherein the disc element has a plurality of projections (36) protruding radially outwardly or inwardly from an outer or an inner peripheral edge (28, 26), respectively, of the disc element, and rotors assembled from such disc elements.
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公开(公告)号：US20180147581A1
公开(公告)日：2018-05-31
申请号：US15574523
申请日：2016-05-06
发明人： Kathrin QUITER , Wilfried MACKEL , Thomas BATHELT , Frank TAETZ
摘要： A separator for centrifugally processing a flowable product includes a rotating system with at least one rotatable drum delimiting a centrifugal chamber and at least one drive spindle for rotating or driving the drum. At least one non-rotating housing surrounds the drum. A mounting device for mounting the drive spindle in a mounting receiving housing is arranged or formed on the housing. A support arrangement is configured between the outer circumference of the bearing device and the inner circumference of the bearing receiving housing. The support arrangement is designed to provide on the whole an elastic radial support of the bearing device on the bearing receiving housing, and thus on the housing.
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公开(公告)号：US20180147579A1
公开(公告)日：2018-05-31
申请号：US15825177
申请日：2017-11-29
发明人： Daniele Casa , Damon Cecchellero
摘要： A disc stack separator and an accelerator disc for a disc stack separator, especially a centrifugal nozzle separator, has curved blades mounted on a cone-shaped shell. The blade configuration assists in directing flow to space for the nozzles in the centrifugal separator bowl in an optimal manner, thus reducing the power consumption of the separator.
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公开(公告)号：US09731300B2
公开(公告)日：2017-08-15
申请号：US14441497
申请日：2013-11-07
发明人： Staffan Königsson
摘要： A centrifugal separator for separating a fluid mixture into components includes a rotor which forms within itself a separation space delimited by a rotor wall, and includes a set of separation plates defining separation passages there between. An inlet is arranged for supply of a fluid mixture to be separated and a first outlet is arranged for a separated lighter first component of the fluid mixture. A sludge space is being defined as an annular portion of the separation space radially outside the separation plates. A second outlet is arranged for discharge of a separated denser second component of the fluid mixture extending from the radially outer portion of the sludge space. A plurality of sludge space plates, which sludge space plates are separate components from the separation plates, is arranged in the sludge space, extending outwardly and in an annular direction with respect to the rotational axis, while forming a gap between the sludge space plates and the rotor wall.
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