Abstract: The invention relates to a centrifuge (10), having a drive shaft (12), a rotor (14), which is mounted on the drive shaft (12) and is axially removable in a removal direction (26), a quick closure (20), which operates between the rotor (14) and the drive shaft (12) and by means of which the rotor (14) can be fixed relative to the drive shaft (12) in the removal direction (26), a thrust bearing (44) connected to the drive shaft (12), a locking bearing (24) connected to the rotor (14), at least one blocking element (38), which, when activated, fixes the rotor (14) relative to the drive shaft (12) and operates between the locking bearing (24) of the rotor (14) and the thrust bearing (44) of the drive shaft (12). The pivot axis (38b) is aligned perpendicular to a straight line parallel to the drive shaft (12) and the blocking element (38) has a cardan shaft (38a), which is rotatable about the pivot axis (38b), and is connected to a bearing (40) via the cardan shaft (38a).

Abstract: A holding and opening mechanism for a pivoting element which is mounted to be pivotable relative to a supporting element about a first axle via a joint, with a pivoting arm acting between the pivoting element and the supporting element is provided. The pivoting arm is pivotally mounted about a second axle wherein the free end of the pivoting arm acts on a control surface of a guide element. A torsion spring is provided which acts on the pivoting arm in the direction around the second axle, a fixed part and a part pivotable relative thereto likewise provided, with the one part including the guide element and the other part including the pivoting arm.

Abstract: The invention relates to a conveying device (IO) for positioning and providing laboratory vessels (12; 12a, 12b, 12c) for nutrient media, samples, microorganisms, cell cultures, or the like for analysis, sample preparation, and/or sample manipulation at an associated apparatus (64), comprising at least one first conveying unit (32) for conveying the laboratory vessels (12) between an initial region (30) and a provision region (60), where the laboratory vessel (12) is held for the analysis or preparation. According to the invention, a plurality of conveying units is present, which perform only a translational motion of the laboratory vessel (12) along an axis, wherein the first conveying unit (32) vertically conveys the laboratory vessel (12) from the initial region (30) to a predetermined height region (50) and vice versa, and a second conveying unit (56) is provided, which horizontally conveys the laboratory vessel (12) from the height region (50) to the provision region and vice versa.

Abstract: The invention relates to a rotor (10) of a dual centrifuge wherein the rotor has a rotor head (12) and an additional rotational mechanism for at least one rotational unit (22) which is provided in the rotor head (12) and comprises a bearing unit (70) and a rotational head (24) that is connected to the bearing unit (70) which is rotatably mounted and can be driven relative to the rotor head (12) by an additional rotational mechanism, an opening (16) for the rotational unit (22) being provided in which the rotational unit is accommodated and by means of which the bearing (70) is arranged such that it is fixed relative to the rotor head (12).

Abstract: A centrifuge (10) having a centrifuge housing, a safety vessel (14) arranged in the centrifuge housing, an interior space (16) at least partially bounded by the safety vessel (14), a rotor arranged in the interior space (16), and a cooling system, arranged in the centrifuge housing, for cooling the interior space (16), having a compressor (22), a condenser (24) and an evaporator (26), which are connected together via lines. The invention is distinguished by the fact that the cooling system has a primary circuit (52) with primary line (29) and a secondary circuit (62) with secondary line (34), wherein the primary circuit (52) comprises the compressor (22), the condenser (24) and the evaporator (26), which is part of a heat exchanger (30), and wherein the secondary circuit (62) flows through the heat exchanger (30), cools the safety vessel (14) and is provided with a pump (32).

Abstract: The invention relates to a holding and opening mechanism for a pivoting element, such as a lid, a cover, a door or the like, which is mounted to be pivotable relative to a supporting element such as a housing, a frame or the like about a first axle via a joint, with a pivoting arm acting between the pivoting element and the supporting element, which arm is pivotally mounted about a second axle that is not the same as the first axle, wherein the free end of the pivoting arm acts, preferably via a roller, on a control surface of a guide element, wherein a torsion spring is provided which acts on the pivoting arm in the direction around the second axle, in order to generate a holding and opening force on the pivoting arm and the control surface, comprising a fixed part and a part pivotable relative thereto, with the one part including the guide element and the other part including the pivoting arm, wherein the pivotable part is adapted to be pivotable relative to the fixed part about the joint and the first axle

Abstract: A centrifuge (10) having a safety vessel (30) with a vessel wall (32), a rotor (17), which is arranged in the safety vessel (30) and is connected via a drive shaft (20) to a drive device (22), wherein at least the drive shaft (20) extends through the safety vessel (30), a cooling system for cooling an interior space (31) of the safety vessel (30), which comprises a heat transfer medium (19) for taking up heat from the safety vessel (30), a refrigerating unit (12) and conducting pipelines (18) for the heat transfer medium (19). The invention is distinguished by the fact that the refrigerating unit (12) is based on the magnetocaloric effect, and the interior space (31) of the safety vessel (30) is cooled by a first cooling circuit (111), the magnetocaloric effect of the refrigerating unit (12) extracts heat from the heat transfer medium (19) of the first cooling circuit (111) and feeds the heat to a second cooling circuit (113).

Abstract: The invention relates to a feeding system (10) having a feeding apparatus (30) for conveying laboratory vessels for samples, microorganisms, cell cultures or the like, and a carrier (12) having one or plural holders (16) for storing laboratory vessels, which feeding apparatus (30) has a loading area (36) and an unloading area (46) remote from the loading area (36) in which plural laboratory vessels can be stored in a vertically stacked configuration, with each receiving unit (34) being coupled to an endless conveyor unit (38) which transports the receiving unit (34) from the loading area (36) to the unloading area (46), and in which the carrier (12) can be used to introduce laboratory vessels into one or plural receiving units (34) in the loading area (36), for which purpose the carrier (12) is at least partially slid over the at least one receiving unit (34) which is to be loaded or unloaded, and for this purpose has projections (28, 32) and/or recesses that are associated with the carrier (12) and are provi

Abstract: A gripping device (I0) for gripping, translationally moving, and rotating a laboratory vessel (40) for samples, microorganisms or cell cultures. A support unit (12), a bearing body (14), and a gripper (16) that is rotatably mounted in the bearing body (14) are employed. The gripper (16) has a rotating body (34), in which gripping fingers (36, 38) are arranged, at least one of which is pivotably mounted in the rotating body (34). The rotating body (34) interacts with a rotary drive (30) for the rotational movement relative to the bearing body (14). The bearing body (14) is mounted in the support unit (12) in a translationally movable manner and interacts with a movement drive for the translational movement of the bearing body (14) with the rotating body with respect to the support unit (12).

Abstract: The invention relates to a rotational unit (10) for a rotor of a dual centrifuge, said rotational unit having a bearing (14) and a rotational head (24) which is connected to the bearing (14), is mounted therein such that it can rotate about an axis of rotation and can be driven relative to the rotor by an additional rotational mechanism of the centrifuge, the rotational head (24) being detachably connected to the receiving unit (40, 80) for conjoint rotation, which receiving unit comprises a sample container receptacle (60, 70, 100, 110) for at least one sample container.

Abstract: A dual centrifuge (10) embodies the following: a driveshaft (16), a rotor (20), which is mounted on the driveshaft (16) and which can be removed axially in a removal direction (E), for a dual centrifuge, having at least one rotational unit (30); an opening (18) in the rotor (20), wherein an end region (16a) of the driveshaft (16) at least engages into said opening; and an additional drive mechanism (32) for the rotational unit or the rotational units (30). The dual centrifuge additionally has a design for operating various additional types of rotors; however, only one rotor (20, 40, 50) can be arranged on the driveshaft (16) at all times. The various rotor types (40, 50) are also adapted to the additional drive mechanism (32) for the rotational units (30) such that the function is not adversely affected. A design for operating at least one angular head rotor (40) and a swing-out rotor (50). For this purpose, the driveshaft (16) and the various rotor types (40, 50) are adapted to each other.

Abstract: A centrifuge (10), having a drive shaft (12), a rotor (40) mounted on the drive shaft (12) so as to be detachable axially in a removal direction (66), a quick-action closure (54) integrated in the rotor (40) and the drive shaft (12), which closure can be used to secure the rotor (40) relative to the drive shaft (12) in a removal direction (66), an abutment (50, 52) in the drive shaft (12) which is engaged by a locking member (46) of the rotor (40), at least one blocking element (76), which—when activated—fixes the rotor (40) relative to the drive shaft (12) and which acts between the locking member (46) of the rotor (40) and the abutment (50, 52) of the drive shaft (12), which quick-action closure (54) includes a force-transmitting element (58, 72).

Abstract: A rotor 10 of a centrifuge 100 having a rotor axis R, a receiving space 18 for samples to be centrifuged, a lid 40 which limits the receiving space 18 at the top, which is concentrically mounted relative to the rotor and which has, on its side remote from the receiving space 18, a handle 44 for carrying the rotor and the lid 40, and a locking mechanism of lid 40 and rotor, which mechanism is mounted in a support 52, 54 in the lid 40, said locking mechanism 50, 34b comprising a locking element 50 adapted to be movable between a locking position and an unlocking position and which has an actuating member 56 and a latching element 58, with the actuating member 56 and the latching element 58 being axially spaced from each other relative to the rotor axis R.

Abstract: A rotor 10 of a centrifuge 100, having a receiving chamber 18 for samples to be centrifuged, a concentrically mounted seat 20 which is associated with a support 106 of a drive shaft 104 of said centrifuge 100, a lid 40 which limits the receiving chamber 18 at the top, which is mounted concentrically relative to the rotor and which has, on its side remote from the receiving chamber 18, a handle 44 for carrying the rotor and the lid 40, and a locking mechanism 50, 34b of lid 40 and rotor, which locking mechanism 50, 34b comprises a locking element 50 which can be moved between a locking position and an unlocking position thereof. In accordance with the invention, part of the handle 44 is adapted to be movable and is operatively connected to a retaining element 48b, 48c, which retaining element 48b, 48c can be moved, by the handle 44, between a first position which prevents actuation of the locking element 50, and a second position which releases the locking element 50.

Abstract: A housing of a centrifuge having an abutment for a ground on which the housing sits, as well as to a centrifuge. The housing is divided into two parts, i.e. a first housing and a second housing which is connected to the first housing via a pivot bearing, with at least one energy absorber being arranged between the first housing and the second housing, which energy absorber will counteract the forces, in particular the torques, generated in the event of a crash and will absorb the energy of the crash so as to prevent at least the part of the second housing which rests on the ground from moving relative to the ground, which pivot bearing allows the first housing to rotate relative to the second housing against the action of the one or plural energy absorber(s) which is/are separate from the pivot bearing.

Abstract: A centrifuge (10) comprising a housing (12), a rotor (32), a safety vessel (26) in which the rotor (32) is supported on a drive shaft (37) extending through the safety vessel (26) and a centrifuge cover (16) limiting an inner space (24) of the housing (12), wherein the safety vessel (26) is provided in the inner space (24), a gaseous coolant enters the inner space (24) via a suction opening (20), flows through the inner space (24), thereby guided laterally past the safety vessel (26) and at least sectionally past the drive motor via the rotor (32), and laterally exits the inner space (24) of the housing (12) through an outlet opening (46). The invention is characterized by a channel (41) being provided for the gaseous coolant, running around the safety vessel (26) at least in part and formed by the safety vessel (26) and at least one flow guidance (40), provided in radial direction.

Abstract: A centrifuge (10), comprising a rotor (12), a drive shaft (14), on which the rotor (12) is supported, a motor (18), which drives the rotor (12) via the drive shaft (14), a supporting unit (30) having damping elements (36), each of which comprises a spring axis (36a), which supporting unit supports a rotational unit (19), which comprises the motor (18) together with the drive shaft (14) and the rotor (12), a sensor unit (82, 84) for sensing the rotational speed, a distance sensor (80) for determining imbalances of the rotational unit (19), which rotational unit rotates about an axis of rotation (14a), an acceleration sensor (88) for determining imbalances of the rotational unit (19), and a control and evaluation unit (90), which evaluates the data of the sensors (80, 82, 88), wherein the distance sensor (80) senses distance changes in an operative axis (36b).

Abstract: A centrifuge (10), in particular a laboratory centrifuge, comprising a rotor (12) for receiving containers with material to be centrifuged, a drive shaft (14) on which the rotor (12) is supported, a motor (18) which drives the rotor (12) via the drive shaft, a bearing unit (30) with damping elements (36) each having a spring axis (36a), and a support element (54) for fixing the motor (18) in the centrifuge via the bearing unit (30), wherein the spring axes (36a) of the damping elements (36) are placed at an acute angle ? to the rotational axis Y of the motor (18). The invention is characterized in that the bearing unit (30) comprises a plurality of struts (34), preferably 3 to 21, which are connected to the damping elements (36), wherein the struts (34) are placed and arranged so that they are concentrically aligned with the respective spring axis.