Class / Patent application number | Description | Number of patent applications / Date published |
494007000 | For controlling drive of (a) bowl or (b) driven means within bowl | 43 |
20080220958 | CENTRIFUGE - A centrifuge includes: a rotation room chamber for defining a rotation room; a lid for closing the rotation room; a locking mechanism configured by a hook for locking the lid in a closed state; a hook catch; a driving mechanism having a link mechanism which converts the rotary movement of the driving shaft portion into a reciprocal movement; and a detection portion for detecting the engagement of the hook with the hook catch in the closed state of the lid. The detection portion includes a disc member fixed to the driving shaft portion and has a concavo-convex outer peripheral surface and sensors for detecting the concave and convex portions. The driving mechanism moves in an interlocked manner with the rotation of the disc member. The positions of the concave and convex portions of the disc member correspond to the position where the hook engages. | 09-11-2008 |
20080293555 | Centrifuge With Rotor Identification by Means of a Transponder - A centrifuge has a rotor for receiving a sample to be centrifuged. The rotor is detachably mounted on a rotary shaft that is connected to a drive. A transponder is associated with the rotor, and an antenna connected to a writing/reading unit is associated with the transponder on a static element. | 11-27-2008 |
20090023571 | CENTRIFUGAL MACHINE - A centrifugal machine comprises a box member; a drive device mounted within the box member and having a rotation shaft; a rotor connected to the rotation shaft of the drive device for holding a specimen to be centrifuged; and, a damper for mounting the drive device into the box member, wherein the centrifugal machine further includes a vibration preventive mechanism part, the vibration preventive mechanism part containing a support member to be supported by the box member and a damping portion disposed in the support member so as to be connectable or contactable to the drive device, and also wherein, on receiving a vibration change from the drive device, the vibration preventive mechanism part can dampen the vibration change using the damping portion. | 01-22-2009 |
20090197752 | CONTINUOUS FLOW ULTRA-CENTRIFUGATION SYSTEMS - A continuous flow centrifuge system is provided. The system includes a rotor, a stator, a stator housing, upper and lower bearing plates, upper and lower bearings, first and second snap rings, and lip seal. The upper bearing rotatably secures a shaft of the rotor in the upper bearing plate. The first snap ring secures the upper bearing to the rotor shaft. The lip seal is over the upper bearing and forms a rotatable seal with the upper bearing plate. The second snap ring secures the lip seal to an inner diameter of the upper bearing plate. The upper and lower bearing plates are secured to the stator housing so that the rotor is operatively aligned with the stator. | 08-06-2009 |
20100069215 | CENTRIFUGE AND CENTRIFUGING METHOD - A centrifuge includes a rotator comprising a receiving unit receiving materials and guiding the materials to move upward by centrifugal force to an upper portion of the receiving unit, and a rotator cover covering the upper portion of the receiving unit. The centrifuge also includes a container that is coupled to the rotator cover to be connected to the receiving unit and that receives the materials moved upward along the receiving unit. The centrifuge and a centrifuging method as disclosed herein are used for separating a fluid to which a large centrifugal force is applied and a fluid to which a smaller centrifugal force is applied by adjusting the rotation speed using the principle that centrifugal force during rotation varies according to specific components of a fluid. Thus, using the centrifuge and the centrifugal method, materials can be centrifuged and layers of the materials can be classified and collected accurately and easily. | 03-18-2010 |
20110003674 | SEQUENTIAL CENTRIFUGE - The invention provides a sequential centrifuge for centrifuging discrete samples. Methods of more efficiently centrifuging discrete samples sequentially are also provided. The apparatus and methods for sequentially centrifuging discrete samples provide improved operating efficiencies over conventional batch centrifuges. Such advantages include reducing dwell time, increasing system throughput, reducing sample processing system footprint, and improving precision of the analytical process. The sequential centrifuge further provides the capability of handling critical samples without compromising the operating efficiencies achieved in centrifuging discrete samples in a sequential manner. | 01-06-2011 |
20110003675 | Apparatus and Method for Automatically Loading Washing Solution In A Multi-Unit Blood Processor - A method and apparatus for separating at least two discrete volumes of a composite liquid into at least a first component and a second component and automatically washing at least one component on a centrifuge rotor. The method comprises transferring a wash solution from a wash solution bag on the rotor into a separation bag; mixing the wash solution and a separated blood component; separating and then transferring the sedimented wash solution into a wash solution discard bag on the rotor. The separated blood component may be washed a plurality of times. A disposable set of tube-connected bags comprises a primary bag, initially containing whole blood, connected to at component bags for receiving plasma or platelets and also connected to a wash solution bag and a wash solution discard bag. The disposable set may further comprise a red blood cell collection bag connected through a filter. | 01-06-2011 |
20110028295 | 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. | 02-03-2011 |
20110059834 | Centrifuge for separating of whole blood into blood components as well as fluidically communicating containers for insertion into the centrifuge, as well as a method for obtaining a highly enriched thrombocyte concentrate out of whole blood - The invention refers to a centrifuge for separating whole blood into its blood components and a method for extracting a highly enriched thrombocyte concentrate out of whole blood. For this purpose, the centrifuge comprises a closed loop and/or open-loop control unit as well as a drive unit coupled to the closed loop and/or open-loop control unit, a rotor ( | 03-10-2011 |
20110281712 | CENTRIFUGAL SEPARATOR - A centrifugal separator for separating oil mist out of the crankcase vent gas of an internal combustion engine or for separating solid contaminants out of the lubricant oil of an internal combustion engine, wherein the centrifugal separator has a rotationally drivable rotor, a housing which accommodates the rotor and a rotary drive for the rotor, wherein the rotary drive is an electric motor arranged within the housing. The centrifugal separator includes an arrangement for cooling the electric motor. | 11-17-2011 |
20130184140 | CENTRIFUGE - A centrifuge includes a vacuum pump machine configured of an auxiliary vacuum pump and an oil diffusion pump for exhausting gas inside a rotary chamber to outside, in which a rotor rotates at high speed. In the centrifuge, a thermistor for detecting a temperature of oil and an oil surface inside a boiler of the oil diffusion pump is provided inside the boiler, and power of a heater is adjusted with the temperature detected by the thermistor, so that a degree of vacuum inside the rotary chamber is stably reduced from atmospheric pressure to a high vacuum state. Besides, when the heater does not heat, a current is carried through the thermistor for self-heating, and it is determined from variation in a resistance value whether the oil exists or not at a position at which the thermistor | 07-18-2013 |
20140121094 | CENTRIFUGE - Lowering of process quality of a sample is prevented even when a rotor is slowly decelerated taking a long time upon finishing a centrifugal process. A centrifuge having a steady operation mode of rotating a rotor at an inputted steady rotation speed and a deceleration stop mode of stopping the rotor by deceleration. When a remaining time of the steady operation mode is within a stop preparation time, a target controlled temperature of the rotor chamber is set from a first target controlled temperature to a second target controlled temperature that is higher than the first target controlled temperature. By setting the target controlled temperature of the rotor chamber high before switching to the deceleration stop mode, temperature of the rotor chamber is controlled to be close to a set temperature of the rotor and thus excessive cooling of a sample loaded to the rotor can be prevented. | 05-01-2014 |
20140155245 | SLUDGE PROCESSING SYSTEM AND STORAGE MEDIUM STORING A PROGRAM FOR CONTROLLING AN OPERATION OF A SLUDGE PROCESSING SYSTEM THEREON - Disclosed is a sludge processing system having a centrifugal separator which concentrates the sludge and a furnace which heat-treats the concentrated sludge, and allows the automatic control in which the operational condition of the centrifugal separator is set to the optimal condition in accordance with the operational state of the furnace. The control device sets a variable range of a differential speed between the bowl and the screw conveyor of the centrifugal separator, and performs a variable control of the differential speed so that the measurements concentration moisture of the concentration sludge achieves a moisture content requested by the furnace within the variable range, when the measurements concentration moisture of the concentration sludge maintains the moisture content requested by the furnace for a certain period of time being previously set, changes a control value of the centrifugal force. | 06-05-2014 |
20150080202 | CENTRIFUGE HAVING A COMPRESSOR COOLING DEVICE, AND METHOD FOR CONTROLLING A COMPRESSOR COOLING DEVICE OF A CENTRIFUGE - The present invention relates to a centrifuge having a compressor cooling device and it also relates to methods for controlling a compressor cooling device of a centrifuge. The centrifuge according to the invention has a controllable throttle device in the refrigeration cycle of the compressor cooling device. | 03-19-2015 |
20160123862 | ELECTRICAL SYSTEMS,AND SEPARATION SAMPLING MODULES FOR USE WITHIN A BUCKET OF A CENTRIFUGE - A separation sampling module for use within a bucket of a centrifuge for monitoring separation of a sample in a container includes a housing operable for supporting the container for containing the sample and removably positionable within the bucket of the centrifuge, at least one light source for illuminating the sample, at least one light detector for detecting light from the sample, and at least one of a power source and a connector operably connectable to a power source for use in powering the at least one light source. Light from the at least one light source passing through the sample defines a light path disposed in a direction across the direction of a centrifugal force when the separation sampling module is disposed in the bucket and rotated in the centrifuge. | 05-05-2016 |
20170232452 | CENTRIFUGE AND METHOD OF CENTRIFUGING A BLOOD SAMPLE | 08-17-2017 |
494008000 | In response to load imposed upon driven means | 14 |
20080234121 | Automatic Balancing Centrifugal Apparatus By Fluid Compsensation - The invention relates to an automatic balancing centrifugal apparatus by fluid compensation, which compensates a load imbalance among buckets holding samples by injecting a fluid into the buckets or sucking the fluid from the buckets, thereby simplifying the overall structure of the centrifugal apparatus, increasing the durability, and centrifuging a large quantity of samples under various high-speed rotation conditions smoothly. The automatic balancing centrifugal apparatus by fluid compensation comprises: rotors on which a plurality of buckets are mounted; a centrifuge motor for rotating said rotors; a load measurement mechanism, which is installed so as to lift and lower along the rotation trace of said buckets and which measures the load of said buckets while the restraint of the buckets is being released at the time of lifting; a position sensing mechanism for sensing whether or not each of said buckets is positioned right above said load measurement mechanism; a fluid compensation mechanism for injecting a fluid into said buckets or for sucking the fluid from the buckets; and a main control part for controlling the overall operations of each of said elements and for controlling said fluid compensation mechanism so that the loads of said buckets can become equal to each other. | 09-25-2008 |
20080280746 | Centrifugal Concentrator with Variable Diameter Lip - A centrifugal separator of the type having migration, retention and lip zones of the interior surface of the rotating bowl has a variable diameter lip to increase the amount of target material retained in the retention zone. | 11-13-2008 |
20100009831 | AUTOMATIC BALANCE ADJUSTING CENTRIFUGE - The present invention relates to the automatic balance adjusting centrifuge that enhances the efficiency of space utilization by simplifying the structure as well as supports a precise movement by improving the structure of the balance weight transport apparatus in the automatic balance adjusting centrifuge that compensates the unbalance of the centrifugal force by transferring the balance weight equipped in the rotor rotational arm. | 01-14-2010 |
20100029457 | GAS DRIVEN SOLIDS DISCHARGE AND PUMPING PISTON FOR A CENTRIFUGAL SEPARATOR - A centrifugal separator includes a cylindrical bowl having a conical lower end with an opening through which feed liquid is injected during a feed mode of operation. During the feed mode, solids separate from the feed liquid and accumulate along the inner surface of the bowl as the bowl rotates at high speed. After accumulation of the solids, the rotation of the bowl is stopped and residual liquid is drained by gravity from the bowl. In a solids discharge mode of operation, a piston of a piston assembly is urged downward along a vertical axis in response to fluid such as compressed gas or hydraulic liquid. The downward movement of the piston forces accumulated solids from the bowl via the opening in the conical lower end thereof. The solids pass from the bowl and into a passage leading to an outlet port, where the solids exit the separator. | 02-04-2010 |
20100120596 | SEPARATION DEVICE - A separation device adapted for separation of a wanted end product from a sample by centrifugation. According to the invention the device comprises: a first, a second and a third compartment; a first fluid connection between the first and second compartments, arranged to be opened and closed by first closing means; a second fluid connection between the second and the third compartments, arranged to be opened and closed by second closing means. The separation device is adapted to be subjected to centrifugation after having been filled with a first density gradient medium in the first compartment, sample in the third compartment and a second density gradient medium or sample in the second compartment, whereby after centrifugation the wanted end product will settle in the second compartment and the first fluid connection and the second fluid connection will be closed by the first closing means and the second closing means respectively. | 05-13-2010 |
20100216620 | CENTRIFUGE - The invention relates to a centrifuge, in particular a laboratory centrifuge, with a centrifuge rotor to hold material and with an electric motor, exhibiting a stator, a rotor that is associated with the stator and a fastening means for the localization of the electric motor at a stationary support and for a torque proof connection of the rotor with the centrifuge rotor, in which the centrifuge rotor features a recess on a face side that is facing the electric motor, in which the recess of the centrifuge rotor is designed such, that the electric motor can be at least partially positioned in said recess. | 08-26-2010 |
20110021333 | Blood Processing Apparatus with Incipient Spill-Over Detection - A density centrifuge blood processing system comprising a separation chamber rotating about a central rotation axis, the separation chamber being coupled to an elutriation chamber, a first detector for the separation chamber to detect light from an observation region, a computational apparatus distinguishing at least two regions in the observation region and distinguishing incipient spill over of cellular components out of the elutriation chamber as a function of light intensity received from the at least two regions in the separation chamber, and a controller regulating speed of at least one pump or of the separation chamber in response to signals from the computational apparatus to avoid spill over. | 01-27-2011 |
20110045958 | CENTRIFUGATION APPARATUS FOR CONTAINERS OF BIOLOGICAL MATERIAL - There is described an apparatus for automatically centrifuging test tubes containing biological material comprising a plurality of centrifuges ( | 02-24-2011 |
20110077140 | Apparatus and Method for Separating A Composite Liquid Into At Least Two Components - An apparatus for separating a volume of composite liquid into at least a first component and a second component comprising a centrifuge having a rotor with a turntable for supporting a separation bag; a central compartment for containing satellite bags, and fitted with a support member for supporting at least one satellite bag so that a liquid contained in the supported satellite bag drains from the supported satellite bag into the separation bag under centrifugation forces when the rotor is set in rotation. | 03-31-2011 |
20110245061 | Automated Sample Workcell and Method of Operation - Illustrative embodiments of automated sample workcells and methods of operation are disclosed. The methods may include receiving a first plurality of samples, each of the first plurality of samples being linked to a requested analysis selected from among a plurality of analysis types; assigning at least one centrifugation parameter to each of the first plurality of samples in response to the requested analysis linked to that sample; loading a second plurality of samples into a centrifuge, the second plurality of samples being selected from among the first plurality of samples and comprising samples that have been assigned at least two different centrifugation parameters; determining a centrifugation parameter of highest centrifugation intensity from among the at least two different centrifugation parameters assigned to samples in the second plurality of samples; and centrifuging the second plurality of samples according to a centrifugation protocol comprising the centrifugation parameter of highest centrifugation intensity. | 10-06-2011 |
20120302419 | AUTOMATIC BALANCE ADJUSTING CENTRIFUGE AND THE CONTROL METHOD THEREOF - The present invention relates to an automatic balance adjusting centrifuge which calculates the magnitude and the location of imbalance of itself based on the vibration generated in the dynamic state and automatically compensate for the imbalance based on the calculation, and the control method thereof. The method includes: (a) measuring the amount of vibration of a rotor of a centrifuge, supporting buckets that load samples, at a predetermined rotational velocity; (b) determining whether the amount of vibration measured in step (a) is greater than an allowed value; and (c) when the amplitude of the vibration is greater than the allowed value, compensating for a weight imbalance of the rotor by an amount calculated based on the vibration amount measured in step (a) and returning to step (a), otherwise, performing a centrifugal separation by accelerating the rotor to a working velocity. | 11-29-2012 |
20130252796 | DEVICE FOR INSERTION INTO A ROTOR OF A CENTRIFUGE, CENTRIFUGE AND METHOD FOR THE FLUIDIC COUPLING OF CAVITIES - A device for insertion into a rotor of a centrifuge has at least two bodies stacked one above the other in a stacking direction inside a housing. The housing is configured such that it can be inserted into a holder of the rotor of the centrifuge. With a correct reception of the device in the centrifuge, and upon a rotation of the rotor, a spacing of one of the at least two bodies in relation to the axis of rotation of the rotor is smaller than a spacing of another of the at least two bodies in relation to the axis of rotation of the rotor. A first of the at least two bodies has at least one first cavity and a second cavity and a second body of the at least two bodies has at least one first cavity. The two bodies are movably disposed in relation to each other inside the housing in order to fluidically couple, in a first phase, responding to a rotation of the rotor, the first cavity of the first body to the first cavity of the second body and to fluidically couple in a second phase the second cavity of the first body to the first cavity of the second body. | 09-26-2013 |
20140323284 | Automated System and Method for Blood Components Separation and Processing - A system for centrifugation and processing multi-units of blood simultaneously. The system having a plurality of equally spaced blood processing stations integrated to the rotor and spinning therewith around the axis of rotation. Each station is fit to receive a set of fluidly interconnected containers having blood for processing. Hydraulic means are used to automatically balance the rotor by having a mechanism to transfer fluid to special chambers on the processing stations in order to compensate for the weight variations of the multiple blood units mounted to the rotor. A Computer controls the centrifuge operations. | 10-30-2014 |
20150072850 | CENTRIFUGE WITH AUTOMATIC SAMPLING AND CONTROL AND METHOD THEREOF - A centrifuge including a bowl, a bowl drive motor, a screw conveyor, a screw conveyor drive motor, a pump, a pump motor, a bowl VFD to drive the bowl drive motor, a conveyor VFD to drive the screw conveyor drive motor, a pump VFD to drive the pump drive motor, an analysis assembly and a computer electrically connected to the bowl VFD, the conveyor VFD, the pump VFD, and the analysis assembly. The analysis assembly is configured to automatically sample slurry pumped into the bowl and automatically transmit data, characterizing the slurry, to the computer. The computer is configured to calculate control schemes for the bowl VFD, the conveyor VFD, and the pump VFD using the data and, transmit control signals to the bowl VFD, the conveyor VFD and the pump VFD to operate the bowl VFD, the conveyor VFD and the pump VFD according to the control schemes. | 03-12-2015 |
494009000 | In response to speed of bowl or rotarily-driven means therewithin | 13 |
20080318755 | BIO CELL CLEANING CENTRIFUGE AND BIO CELL CLEANING ROTOR USED IN THE SAME - According to an aspect of the present invention, there is provided a bio cell cleaning centrifuge including: a motor; a rotor rotated by the motor; holders that are equipped on the rotor and that hold test tubes to be pivotable toward a rotational radial direction of the rotor; a cleaning liquid distributor mounted on the rotor to supply a cleaning liquid to the test tubes; a locking mechanism that locks the holders so that the test tubes are in a vertical state with respect to the rotational radial direction; and a controller that controls the motor and the locking mechanism, wherein the holders are configured to hold the test tubes so that central axes thereof are inclined from a rotational axis direction toward a rotational tangent direction of the rotor. | 12-25-2008 |
20090170683 | CENTRIFUGE - According to an aspect of the invention, a centrifuge includes: a rotor for separating samples; a motor for driving and rotating the rotor; a drive shaft for connecting together the motor and the rotor; a rotation sensor for detecting at least one of the rotation speed of the motor and the rotor; and a displacement sensor for detecting the swinging motion of the rotor or the drive shaft, wherein, after one of speed of the motor and the rotor is accelerated up to previously set rotation speed, when the swinging amount of the rotor or the drive shaft is equal to or more than preset allowable value, the supply of power to the motor is stopped to decelerate the motor, wherein, during the deceleration, signal from the displacement sensor is compared with the preset allowable value, and wherein when the signal from the displacement sensor becomes equal to or less than the preset allowable value, the motor is accelerated. | 07-02-2009 |
20090312169 | CENTRIFUGE AND CENTRIFUGING METHOD - Provided are a centrifuge that rotates about a rotation axis to separate a material and a method of centrifugal separation. The container is coupled to the centrifuge to freely pivot upward and downward on a pivoting axis vertical to a rotation plane. The container has an opening at an upper end thereof and holds a material inside. An angle adjuster raises the central axis of the container beyond a perpendicular angle with the rotation axis while the centrifuge is rotating in order to arrange the opening of the container downward with respect to the rotation plane and point an end of the container opposite to the opening of the container upward with respect to the rotation plane, and allow a portion of layers formed during centrifugal separating to flow down through the opening. | 12-17-2009 |
20100009832 | Method for Processing a Fluid and Fluid Processing Device - The present invention relates to improved methods for processing fluids and to a fluid processing device ( | 01-14-2010 |
20100009833 | AUTOMATIC BALANCE ADJUSTING CENTRIFUGE AND THE CONTROL METHOD THEREOF - The present invention relates to an automatic balance adjusting centrifuge which calculates the magnitude and the location of imbalance of itself based on the vibration generated in the dynamic state and automatically compensate for the imbalance based on the calculation, and the control method thereof. | 01-14-2010 |
20110130263 | SYRINGE CENTRIFUGE SYSTEMS - A hand-cranked centrifuge is adapted for use in isolating autologous fat in injectible from. A number of syringes are hingeably coupled to a flywheel of the centrifuge. As the centrifuge turns, the syringe(s), which are supported at one end, move into a horizontal orientation and are centrifuged until the fats get separated from other liquids present in the syringes. A number of syringes, syringe holders and related devices are disclosed to accommodate centrifugation. | 06-02-2011 |
20110207590 | CENTRIFUGE - According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed. | 08-25-2011 |
20130288873 | AMPLIFICATION AND ARRAY LOADING APPARATUS AND METHODS - An apparatus includes a robotic system providing movement in three orthogonal directions to an arm operable to receive a pipette tip and to facilitate movement of fluid into and out of the pipette tip. In addition, the apparatus can include a tray for receiving pipette tips, receptacles for receiving tubes, an apparatus for forming an emulsion, a device for forming particles that include copies of the polynucleotide, a device for enriching the particles and an apparatus for loading such particles onto a sensor array. The apparatus can further include receptacles for holding containers of reagent solutions. Optionally, the robot can include a gripper arm in addition to the pipette receiving arm. | 10-31-2013 |
20130331251 | CENTRIFUGAL MACHINE - A centrifugal machine including: a rotor which is configured to accommodate a sample; a driving part which is configured to rotate the rotor; a control part which is configured to control the driving part; an operating part; and a record part, wherein the operating part is provided with a login screen to which first user information is configured to be inputted at the start of an operation, and a user change screen to which second user information different from the first user information inputted to the login screen is configured to be inputted, and wherein the record part is configured to record the first user information, the second user information, a change time at which the user information is changed, and a rotating speed of the rotor. | 12-12-2013 |
20140031191 | CENTRIFUGE - A centrifuge including: a rotor configured to hold a sample and configured to be detachably mounted, a rotation chamber accommodating the rotor, a plurality of motors configured to be rotationally driven by three-phase AC power, and a control device configured to control centrifuging operation, wherein one of the plurality of motors is a centrifuge motor configured to rotate the rotor, and the control device is configured to change distribution of power supplied to the centrifuge motor and power supplied to another motor of the plurality of motors during one operation. | 01-30-2014 |
20140045669 | CENTRIFUGE AND POWER CONTROLLING APPARATUS - A centrifuge includes a rotor which accommodates a sample, a motor which rotationally drives the rotor and a chiller which cools a rotor chamber, and is provided with a transformer which has a plurality of secondary side taps, converts an AC voltage which is input from a primary side to a plurality of voltages, and outputs, and a voltage switching unit which is connected to the plurality of secondary side taps of the transformer, selects any one of outputs of the secondary side taps, and outputs to the chiller. The microcomputer controls the voltage switching unit corresponding to the power supply frequency which is determined using the output of the zero-crossing detection circuit, and supplies the desired driving voltage to the chiller. | 02-13-2014 |
20140087934 | LIQUID SWITCHING, DOSING AND PUMPING - A liquid handling device having an upstream liquid handling structure connected to a downstream liquid handling structure by a conduit. The upstream and downstream liquid handling structures are sealed or sealable such that the conduit provides the only fluidic communication paths between the upstream and downstream liquid handling structure. The device is arranged such that a driving force causes liquid in the upstream liquid handling structure to at least partially fill the conduit to separate gas in the upstream liquid handling structure from gas in the downstream liquid handling structure. With the device set up such that the two gas volumes are separated by a liquid volume, gas pressures and liquid flow in the device can be controlled by control of the driving force. The device may be arranged for rotation about an axis of rotation to provide the driving force. | 03-27-2014 |
20150038311 | CENTRIFUGE EQUIPPED WITH A BALANCING MECHANISM AND METHOD OF BALANCING SUCH A CENTRIFUGE - The disclosure relates to a centrifuge with a balancing mechanism and method of balancing such a centrifuge. The centrifuge includes a vertical shaft driven in rotation by a motor, and a mechanism for balancing the parts integral with said vertical shaft. The mechanism includes a plate integral with the vertical shaft, at least one compensating mass freely displacing on the plate, the mass being designed to limit the imbalance of parts integral with the vertical shaft, and a mechanism for blocking the compensating mass, the blocking mechanism being designed to immobilize the compensating mass on the plate when the rotation speed exceeds a determined value. | 02-05-2015 |