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公开(公告)号：US20240253063A1
公开(公告)日：2024-08-01
申请号：US18290520
申请日：2022-05-06
发明人： Kasper HÖGLUND , Thomas ELIASSON
摘要： A centrifugal separator for separating a fluid mixture into a first component and a second component, wherein the second component is denser than the first component, includes a rotating bowl, which is rotatably supported by a frame around a rotational drive shaft, and which rotational drive shaft is rotatable around an axis of rotation; an electrical motor connected to the rotational drive shaft; an inlet to the rotating bowl; a first outlet for the separated lighter first component of the fluid mixture; and a second outlet for the separated second component of the fluid mixture; and a cooling device including a body connected to the frame, wherein the body includes a central opening provided with an inner peripheral surface, which is connected to a stator of the electrical motor; and wherein the body further includes an outer peripheral surface; and a cooling coil arranged in the body and extending circumferentially around the central opening, wherein the cooling coil includes a tube provided with an inlet opening and an outlet opening for a cooling fluid.
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公开(公告)号：US20240209280A1
公开(公告)日：2024-06-27
申请号：US18287219
申请日：2022-04-22
申请人： DESMET BELGIUM
发明人： Marc Kellens , Matthias Zick
CPC分类号： C11B7/0025 , A23D9/04 , B04B3/00 , B04B15/02 , B04B15/12
摘要： Process including the solvent crystallization of edible fatty material into a crystal slurry containing at least solid crystallized stearin dispersed into a solution composed solvent and olein, and further including the separation of the stearin from the solution by applying centrifugal forces onto the crystals slurry.
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公开(公告)号：US20230102671A1
公开(公告)日：2023-03-30
申请号：US16981691
申请日：2019-05-31
申请人： ZHEJIANG UNIVERSITY
发明人： Chuanxiang Zheng , Weian Lin , Bingbing Chen , Jianqun Jiang , Yunmin Chen , Liming Tang , Jiao Lin , Danyang Dou
IPC分类号： B04B15/02
摘要： A vacuum chamber structure of an ultra-high gravity geotechnical centrifuge device, comprising: a cylindrical shell, a convex head, a bottom head, a lower bearing sealing cover, and a vacuum pressure-bearing chamber formed by sealing a top cylindrical cylinder and an upper sealing plate with sealing rings; wherein a high-speed rotor system is enclosed in the vacuum pressure-bearing chamber, and a cylindrical cooling device is installed between an internal side of the cylindrical shell and the high-speed rotor system. An annular cooling device is provided directly above the hanging baskets on both sides of the centrifuge arm. A vibration isolation expansion joint is arranged at the intersection of the high-speed rotor system and the cylindrical cylinder, which isolates the vibration of the main engine from the vacuum chamber and greatly reduces the vibration. The lower bearing and the upper bearing system are placed outside the vacuum pressure chamber, so that the centrifuge operates under vacuum with low power consumption, while the bearing system reliably operates under normal pressure, the present invention is capable of making the gravity acceleration of the ultra-gravity geotechnical centrifuge reach more than 1500 g, and solves the problems of large vibration and difficult heat dissipation of the ultra-high gravity centrifuge.
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公开(公告)号：US11577257B2
公开(公告)日：2023-02-14
申请号：US16955310
申请日：2018-12-03
申请人： Eppendorf AG
发明人： Heiko Müller
摘要： A centrifuge (10) and a method for preventing the ignition of combustible temperature control media in centrifuges (10) after a crash of the centrifuge rotor are presented. Ignition is prevented by the release of a protective gas in the event of a crash. More precisely, the released protective gas forms a flow that displaces the oxygen, distributes the escaping temperature control medium and fundamentally changes the momentary ratio of the concentration of oxygen to temperature control medium in such a manner that no ignition can take place either inside or outside the centrifuge (10). Thereby, combustible temperature control media can be used without safety concerns for controlling the temperature of centrifuges (10).
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公开(公告)号：US20220161278A1
公开(公告)日：2022-05-26
申请号：US17434756
申请日：2020-09-30
发明人： Gen NISHIZAWA
摘要： Provided is a centrifuge that allows a user to easily determine whether running is normally completed or the running is not started. In the centrifuge having a setting screen 70A on which input of centrifugal running conditions and a centrifugal running state can be displayed, a control device performs centrifugal separation running of a rotor according to a set running time, a set rotation speed, and a set temperature. When the centrifugal separation running is completed and the rotor is stopped, the control device arranges an elapsed time display column 71 in a setting screen 70A, counts the time since the motor is stopped, and displays an elapsed time 73 after the centrifugal separation running is completed.
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公开(公告)号：US10948391B2
公开(公告)日：2021-03-16
申请号：US16189950
申请日：2018-11-13
发明人： David Woolsey , David William Burns
IPC分类号： G01N15/02 , G01N1/40 , B04B5/08 , B04B15/02 , G01N1/22 , G01N15/10 , G01N15/06 , G01N15/00 , B04B13/00 , G01N1/00
摘要： A method for analyzing particles includes concentrating the particles in an interior region of an air stream, generating a thermal gradient to deflect the concentrated particles from the interior region of the air stream to a peripheral region of the air stream, receiving orientation information, and adjusting the thermal gradient in response to the received orientation information. The particles may be concentrated in the interior of the air stream with at least two heater elements positioned near a periphery of the air stream and configured to cooperatively force particles away from the periphery and towards the interior region of the air stream. The orientation information may include gravity vector component information or angular rate component information in one, two or three substantially orthogonal directions relative to the air stream. Various systems for airborne particle detection with orientation-dependent particle discrimination are disclosed.
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公开(公告)号：US10921224B2
公开(公告)日：2021-02-16
申请号：US16190008
申请日：2018-11-13
发明人： David Woolsey , David William Burns
IPC分类号： G01N1/40 , G01N15/02 , B04B5/08 , B04B15/02 , G01N1/22 , G01N15/10 , G01N15/06 , G01N15/00 , B04B13/00 , G01N1/00
摘要： A system for detecting and analyzing particles in an air stream includes an inlet, a particle concentrator and a particle discriminator having an air channel with a cross-sectional geometry that changes within at least one of the inlet, particle concentrator and particle discriminator. The system may have a sheath air stage including a port for providing sample air, at least one sheath air inlet port for providing sheath air, and a sheath air combining region. The system may include an airflow compression stage having a varying air channel that narrows as the air stream traverses the airflow compression stage to pre-concentrate particles within an interior region of the air stream. The system may include an airflow expansion stage having an air channel that widens to slow the airstream and particle velocities. A portion of the air channel height may be narrowed to allow a larger thermophoretic force to be generated.
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公开(公告)号：US20200368411A1
公开(公告)日：2020-11-26
申请号：US16767403
申请日：2018-12-06
申请人： Biosafe S.A.
发明人： Julien Camisani , Pau Mato Sabat
摘要： Disclosed is a bioprocessing system comprising apparatus (200) including a centrifugal separation housing (210) having a temperature controllable compartment (215) for removably accepting a separation chamber (50), the apparatus further comprising at least one mixing station (250) for supporting one or more fluid storage vessels (10, 20, 30, 40), the station including a temperature controllable area (252) for increasing or decreasing the temperature of the contents of the or each supported vessel. The system further includes a disposable fluidic arrangement (100) including a centrifugal separation chamber (50) removably mountable within the compartment (215) and having one or more ports (52) allowing fluid ingress into, or egress out of the chamber, via the one or more ports in use, said ports being in fluid communication with one or more of said fluid storage vessels via fluid conduits (12, 22, 32, 42) and via one or more valve arrangements
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9.发明申请公开(公告)号：US20200003661A1
公开(公告)日：2020-01-02
申请号：US16482467
申请日：2018-01-10
申请人： ORGANO CORPORATION
摘要： A centrifugal filtration device is provided. The centrifugal filtration device has filtration membrane that filtrates liquid; cartridge that supports filtration membrane and that forms liquid chamber together with filtration membrane, wherein liquid chamber holds the liquid therein; and rotating member that rotates around rotation center and that supports cartridge such that filtration membrane is positioned outward of liquid chamber with respect to rotation center. Rotating member has a path that is connected to liquid chamber, and at least a part of a liquid contact part of the path that is in contact with the liquid is formed of titanium or a titanium alloy.
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公开(公告)号：US20190381519A1
公开(公告)日：2019-12-19
申请号：US16471668
申请日：2017-12-18
申请人： SHIMADZU CORPORATION
发明人： Kengo AOKI , Hiroki HONDA , Haruhisa KATO
摘要： A centrifugal field-flow fractionation device capable of improving analysis performance and shortening analysis time is provided. A first channel 111 communicating with a channel member is formed on a rotational shaft 11 that rotates together with a rotor. A second channel 644 communicating with the first channel 111 is formed on a fixing portion 60 fixed in a state of facing the rotational shaft 11 along a rotational axis L. A mechanical seal 66 having a pair of seal rings 661 and 662 that come into contact with each other and a biasing member 663 is provided to attach one seal ring 661 to the rotational shaft 11 and the other seal ring 662 to the fixing portion 60. The biasing member 663 biases the pair of seal rings 661 and 662 in a direction in which the pair of seal rings come in contact with each other. Since the rotational shaft 11 can be rotated at a high speed and the liquid sample can be fed at a high pressure, the analysis performance can be improved and the analysis time can be shortened.
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