Abstract: A centrifugal separator includes a rotator part, a controller part, and a first control panel. The rotator part has a rotor for separating components in a liquid sample, and a drive shaft for driving the rotor to rotate. The controller part controls operations of the rotator part. The first control panel is provided with a first operating part for setting operating conditions of the rotator part including the desired rotating speed of the rotor and the desired operation period of time of the rotor, and a first display unit for displaying the operating conditions and status of the rotator part. A second control panel having the same functions as the first control panel is provided in a location separate from the controller part. Hence, a user can check the operating status of the centrifugal separator and set and modify operating conditions for the centrifugal separator not only by using the first control panel but also by using the second control panel.

Abstract: A rotor for a centrifugal separator. The rotor has a rotor body with a cylindrical outer wall extending upward from a bottom portion and a boss portion provided at a center of the bottom portion. The outer wall is located radially outward with respect to the boss portion serving as a rotational center of the rotor body. The rotor also has a plurality of buckets that are swingably supported in the rotor body and each of the buckets holds a boxlike sample container. A supporting element supports a hinge shaft serving as a swing center of the bucket. Each of the buckets has a bottom surface that is brought into contact with an inside surface of an outer wall of the rotor body due to a centrifugal force when the rotor rotates, so that the buckets and the rotor body integrally rotate during centrifugal operation.

Abstract: 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, and end plates. The hollow cylindrical core body is disposed in the rotor body providing a space therebetween. The core body has an upper open end, a lower open end and an outer peripheral surface provided with a plurality of partitioning walls positioned at an equal interval in a circumferential direction of the core body for providing a plurality of cavities each defined by the core body, the rotor body and neighboring partitioning walls. The end plates include an upper end plate disposed to cover the upper open end, and a lower end plate disposed to cover the lower open end.

Abstract: A culture/centrifugal tube includes a tube and a cap. The cap has a disk portion and an annular portion that define an annular groove therebetween. The annular groove opens at a position level with the surface of the disk portion. The open end of the tube extends into the annular groove, with the open end of the vessel in abutment against the surface of the disk portion when the cap is fully engaged on the tube. An angle rotor that is used in a centrifuge is formed with an accommodation hole that receives the culture/centrifugal tube. The accommodation hole including a smaller-diameter tube accommodating portion that accommodates the tube and a larger-diameter cap accommodating portion that accommodates the cap. The cap accommodating portion includes a region that entirely encompasses a corresponding portion of the outer periphery of the annular portion of the cap.

Abstract: A plurality of buckets are swingably supported in a rotor body. Each of the buckets, holding a boxlike sample container, is brought into contact with an inside surface of an outer wall of the rotor body due to a centrifugal force when the rotor rotates. The buckets and the rotor body integrally rotate during centrifugal operation.

Abstract: A centrifugal separator comprises a driving unit, a power transmission unit including a driving shaft and a crown mounted to one end of the driving shaft, a rotor having a rotor body to which an insertion hole into which the crown is inserted is formed and including a sample holding member, the rotor being formed with a projection member so as to extend outward, a rotor casing into which the rotor is accommodated in a rotatable manner, and a receiving member disposed on the rotor casing side to receive the projection member. In a state that the crown is inserted into the insertion hole from a bottom wall side of the rotor casing, a first distance between the bottom wall of the rotor casing and a front end portion of the crown is made smaller than a second distance between a bottom portion of the projection member and a bottom portion of the insertion hole formed to the rotor body.

Abstract: A desk-top centrifuge is provided which includes a switching element disposed between a dc power supply and a motor and a controlling circuit. The controlling circuit receives a voltage of power regenerated by the motor to provide a pulse width-controlled on-off signal to the drive switching element to control speed of the motor. The controlling circuit increases an on-duration in which the on-off signal is at an on-level at a given rate to turns the motor slowly. The centrifuge has a safety guard system made up of a door switch and a door lock switch which are installed in series between the dc power supply and the motor and work to establish electric communication between the dc power supply and the motor when the door is closed and locked.

Abstract: A bucket consists of a sample container holding member and a metallic member. The sample container holding member is made of a composite material consisting of a reinforcing fiber and a resin. The metallic member has portions engaged with a rotor body.

Abstract: A rotor for centrifugal separation of liquid specimens introduced on a microplates or a collective unit of microtubes in form of microplates (box type specimen holder) under centrifugal acceleration. Within the rotor, specimen receptacle are placed in radial direction with respect to the axis of rotation, the box type specimen holder is placed in each of the specimen receptacles, and there is provided a member for preventing the box type specimen holder from falling down, or a pad is arranged between the box type specimen holder and inner wall in parallel to the axis of rotation, and centrifugal force to be applied on the box type specimen holder is received by the pad, which is designed in such shape as to approximately follow the shape of the outer wall, and centrifugal separation can be performed with the specimen receptacle inserted from above.

Abstract: A centrifugal separator comprises a driving unit, a power transmission unit including a driving shaft and a crown mounted to one end of the driving shaft, a rotor having a rotor body to which an insertion hole into which the crown is inserted is formed and including a sample holding member, the rotor being formed with a projection member so as to extend outward, a rotor casing into which the rotor is accommodated in a rotatable manner, and a receiving member disposed on the rotor casing side to receive the projection member. In a state that the crown is inserted into the insertion hole from a bottom wall side of the rotor casing, a first distance between the bottom wall of the rotor casing and a front end portion of the crown is made smaller than a second distance between a bottom portion of the projection member and a bottom portion of the insertion hole formed to the rotor body.

Abstract: A desk-top centrifuge is provided which includes a switching element disposed between a dc power supply and a motor and a controlling circuit. The controlling circuit receives a voltage of power regenerated by the motor to provide a pulse width-controlled on-off signal to the drive switching element to control speed of the motor. The controlling circuit increases an on-duration in which the on-off signal is at an on-level at a given rate to turns the motor slowly. The centrifuge has a safety guard system made up of a door switch and a door lock switch which are installed in series between the dc power supply and the motor and work to establish electric communication between the dc power supply and the motor when the door is closed and locked.

Abstract: A micro-plate adapter for mounting a micro-plate onto a centrifugal separator rotor. The micro-plate has a sample injection hole portion containing a sample therein and as a box-like external wall. The adapter includes a bearing surface contacting a back bottom surface of the sample injection hole portion. A swing rotor for a centrifugal separator includes a rotor body attached to a driving shaft of the centrifugal separator and provided with a plurality of bucket storage portions; buckets all swingably engaged with the rotor body in the respective storage portions so that samples stored in the buckets are subjected to centrifugal separation by a centrifugal force generated by rotation of the swing rotor. Each of the buckets is formed to have a shape which adapts with a bottom surface of a micro-plate so as to contact with the back bottom surface of a sample injection hole portion of the micro-plate to bear a centrifugal load of the micro-plate.