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| Number | Title | Issue Date |
| 8092362 | Separator arrangement in sanitary design A separator arrangement includes a separator having a drum with a vertical rotation axis. The drum is placed on a rotatable drive spindle and is surrounded by a shroud. A separating wall separates the separator arrangement into a sanitary area that includes the drum... | 01/10/2012 |
| 7942801 | Automatic balancing centrifuge using balancer The present invention relates to a centrifuge including a balancer which contains balls and liquid and enables a rotor to rotate steadily. More concretely, the centrifuge comprises a motor, a motor shaft protruded from the motor, a rotor, and a balancer which includ... | 05/17/2011 |
| 7819793 | Apparatus for separating a composite liquid into at least two components An apparatus for separating blood into blood components using a separation vessel satellite bags mounted on a centrifuge rotor and a balancing assembly for the centrifuge to compensate for changes to the center of gravity. ... | 10/26/2010 |
| 7806820 | Automatic balancing device and system for centrifuge rotors An apparatus and method for automatic balancing and inertial damping of vibrations in a rotor are disclosed. According to one embodiment, a rotor drive shaft is adapted to mount a rotor and rotate the rotor. A lower drive shaft connects to a source of rotation. A fl... | 10/05/2010 |
| 7674221 | Apparatus for separating discrete volumes of a composite liquid with balancing elements An apparatus for separating at least two discrete volumes of a composite liquid into at least a first component and a second component comprises a centrifuge, with a rotor having a rotation axis comprising at least two separation cells, each for containing a separat... | 03/09/2010 |
| 7438679 | Apparatus and method for separating volumes of a composite liquid with a balancing assembly Apparatus and method for balancing a centrifuge having interconnected hydraulic chambers in containers on a rotor, each container being adapted to receive a composite fluid, comprising transferring, by the rotation of the rotor, hydraulic liquid from a source to the... | 10/21/2008 |
| 7435211 | Ball balancer for vertical rotor and centrifuge Disclosed herein are a balancer which is provided with a curved portion at a balancing space so that movement of balls is accelerated at the moment a rotational speed of a rotor exceeds a resonant speed, thereby stabilizing the rotation of the rotor without vibratio... | 10/14/2008 |
| 7300396 | Driving device for a centrifugal separator In a centrifugal separator a centrifugal rotor is connected to a vertical spindle, which is supported by a frame and journalled in a first bearing and a second bearing. The centrifugal separator is drivable by an electric motor, the stator of the motor being fixed t... | 11/27/2007 |
| 7297097 | Lift type weight measuring centrifuge Disclosed is a lift type weight measuring centrifuge which is able to measure the weight of a measurement object after spatially isolating the measurement object. The centrifuge includes an upper sensing plate to move upwards, and a weight sensing mechanism provided... | 11/20/2007 |
| 7285085 | Automatic balancing rotor for centrifuge An automatic balancing rotor for a centrifuge which compensates for imbalance of a centrifugal force occurring due to a weight difference of samples. The automatic balancing rotor includes a plurality of rotating arms spaced at regular angular intervals, with a plur... | 10/23/2007 |
| 7255669 | Centrifuge with imbalance detector A centrifuge includes a frame, a damper connected to and supported on the frame for isolating vibrations, a drive unit connected to and supported by the damper, a swing-bucket rotor rotated by the drive unit, an accelerometer for detecting when part of the drive uni... | 08/14/2007 |
| 7144361 | Continuous flow type centrifuge having rotor body and core body disposed therein A continuous flow type centrifuge to which a liquid sample is continuous supplied. The centrifuge includes a rotor rotatably supported by a main housing and drivingly rotated by a motor. The rotor includes a cylindrical rotor body, a hollow cylindrical core body, an... | 12/05/2006 |
| 7115090 | Method and device for pretreatment of samples by centrifuging The invention concerns a method comprising detecting tubes inside carriers (P), detecting an expected imbalance of the centrifuge (CE) and, when said detection reveals the presence of such an imbalance owing to the presence of an insufficient number of carriers (P) ... | 10/03/2006 |
| 7108651 | Centrifuge having multiple rotors In a centrifugal chamber 9, an elastic rotation shaft 30 and a high-rigidity rotation shaft 34 extend coaxially. When a rotor selected from an angle rotor 17 and a swing rotor 36 which have different sizes and shapes is set in the ... | 09/19/2006 |
| 7090634 | Driving system for a separator having a centrifugal drum and a neck bearing A driving system for a separator having a centrifugal drum with a vertical axis of rotation. The driving system includes a vertically aligned driving spindle configured to accommodate a centrifugal drum. The driving spindle is arranged by a neck bearing and a footst... | 08/15/2006 |
| 7081081 | Bayonet coupling mechanism for a centrifuge A centrifuge having a motor shaft, a rotor that engages the motor shaft and a cover for securing the rotor to the rotor shaft. The cover has a knob with a coupling disposed therein. The coupling functions to simultaneously secure the rotor cover to the rotor body an... | 07/25/2006 |
| 7070553 | Method and arrangement to rapidly lower the rotary speed of a centrifugal separator In a method of rapidly lowering the rotary speed of a rotating rotor body in a centrifugal separator the lowering of the rotary speed is initiated, when a disturbing unbalance or vibrations have occurred. A space between the rotor body and a stationary casing which ... | 07/04/2006 |
| 7056272 | Centrifuge having an emergency off system The present disclosure relates to a centrifuge having a vertical axis of rotation, and including a centrifugal drum having a feeding tube for material to be centrifuged, outlet nozzles, and an emergency off system connected in front of the centrifugal drum. The emer... | 06/06/2006 |
| 7039976 | Braking control system for a washing machine An inner tub of a washing machine is rapidly braked during a portion of a deceleration phase following an extraction phase of an overall spin cycle. A controller establishes the braking operation over a critical speed band or resonant frequency zone during which exc... | 05/09/2006 |
| 7025714 | Process to balance a rotatable plate of a centrifuge and centrifuge using the process Centrifuge includes a plate, a detector for the position of the plate, a monitoring and control unit, to turn the plate and to stop it in predetermined angular positions; characterized by several balancing containers, a centrifugal detector, a device for providing a... | 04/11/2006 |
| 7011618 | Attachment and release apparatus for a centrifuge rotor cover An attachment and release apparatus for attaching a rotor to a centrifuge drive assembly and for attaching a cover to the rotor. The apparatus includes a knob, a cover wherein the knob has a plunger disposed therein. The apparatus also includes an adapter having det... | 03/14/2006 |
| 7008365 | Centrifuge having a feeler element for sensing a medium level A centrifuge that includes a centrifugal drum having a solids collecting chamber arranged below a bottom of the centrifugal drum. Also included is an oscillation measuring device for recording oscillations of the centrifugal drum. Further included is a medium situat... | 03/07/2006 |
| 7001325 | Centrifugal separator having whistle-reducing rotor A centrifugal separator has a centrifuge rotor and a casing, the casing forming an outer space for the rotor. The rotor is rotatable around a rotary axis and within the casing. The rotor includes a rotor wall, which defines an outer periphery of the rotor and enclos... | 02/21/2006 |
| 6971525 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 12/06/2005 |
| 6971840 | Method of enhancing the aerodynamic performance of a fan A fan is modified by replacing its rigid rotor shaft by a flexible shaft so the normal operating speed range is above the first transverse critical speed. During run-up, the assembly of the fan impeller 12 and the drive shaft 11 is accelerated rapidly ... | 12/06/2005 |
| 6960158 | Centrifugal separator The invention relates to a centrifugal separator (100) comprising a centrifugal frame (40), a rotatable, vertically arranged, drive spindle (100) provided with a drum (12), and a motor (90) having a vertical rotor axis (91).... | 11/01/2005 |
| 6953424 | Rotor driving apparatus with temperature adjustment of elastic supporting portion In a centrifugal separator, a temperature sensor is provided in contact with a vibration isolation rubber that elastically supports an induction motor to a motor base. A Peltier element for heating/cooling the vibration isolation rubber is provided in contact with t... | 10/11/2005 |
| 6949063 | Automatic balance adjusting centrifugal apparatus A centrifugal machine of automatic balance type is provided for detecting an unbalance in a specimen mounted on a rotor lever before every centrifugal machining, and for moving horizontally the rotor lever according to detected results, maintaining automatic balance... | 09/27/2005 |
| 6939052 | Bearing with integrated mounting features A bearing with integrated mounting features is provided with a groove in at least one of the races thereof. The groove is of a shallow depth and provides a mounting location for a mounting ring of slightly different diameter than the race so as to permit the mountin... | 09/06/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6805805 | System and method for receptacle wall vibration in a centrifuge A system and method for receptacle wall vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a vibratory device associated with the receptacle wall to create a vibratory force. ... | 10/19/2004 |
| 6776752 | Automatic tube bowl centrifuge for centrifugal separation of liquids and solids with solids discharge using a scraper or piston A centrifugal separator provides for discharge of solids by either an axial-motion scraper or a piston/extrusion assembly. The axial-motion scraper (80) is used with hard-packed or friable solids, and includes and integral feed liquid accelerator and feed hol... | 08/17/2004 |
| 6706180 | System for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 03/16/2004 |
| 6638203 | Centrifuge rotor shaft vertical displacement restriction device with angular deflection capability In a centrifuge comprising a drive shaft assembly, a diaphragm disposed about the drive shaft assembly reduces noise and vibration. The diaphragm permits the drive shaft assembly to pivot off a vertical axis while substantially limiting horizontal displac... | 10/28/2003 |
| 6635007 | Method and apparatus for detecting and controlling imbalance conditions in a centrifuge system A method and apparatus for controlling a centrifuge system, the centrifuge system including a rotor and a motor operatively coupled to the rotor, the apparatus including an accelerometer coupled to the centrifuge system so as to measure an acceleration of... | 10/21/2003 |
| 6520902 | Centrifuge cartridge for removing soot from engine oil A centrifuge filter for removing soot from engine oil. The centrifuge filter includes a rotor adapted to be rotated inside a centrifuge housing by an electric motor or other means. The rotor preferably includes a reusable aluminum support casing and a dis... | 02/18/2003 |
| 6517475 | Centrifugal filter for removing soot from engine oil A centrifuge filter for removing soot from engine oil. The centrifuge filter includes a rotor adapted to be rotated inside a centrifuge housing by an electric motor or other means. The rotor preferably includes a reusable aluminum support casing and a dis... | 02/11/2003 |
| 6461286 | Method of determining a centrifuge performance characteristic or characteristics by load measurement An improved blade design and method for enhancing the efficiency of operation of a centrifuge is disclosed based on measuring a varying value of the load on the centrifuge as the flow of contaminated fluid is injected into the centrifuge. The centrifuge h... | 10/08/2002 |
| 6428460 | Support device for a centrifugal separator providing axial and radial support The invention refers to a support device for a centrifugal separator having a centrifuge rotor (2), which is provided in a frame (1) to be rotatable about an axis (x) of rotation by use of a bearing member (4). The support device is provide between the be... | 08/06/2002 |
| 6424067 | Centrifugal separator A centrifugal separator comprises a housing through which extends a spindle on which is mounted a centrifuge rotor. The rotor is mounted on journal bearing bushes that are lubricated by the liquid supplied at pressure to the rotor and the weight of the li... | 07/23/2002 |
