EP0911080A1 - Centrifugeuse à rotor démontable et à dispositif de blocage axial du rotor sur une tête d'entraínement, et rotor pour une telle centrifugeuse - Google Patents
Centrifugeuse à rotor démontable et à dispositif de blocage axial du rotor sur une tête d'entraínement, et rotor pour une telle centrifugeuse Download PDFInfo
- Publication number
- EP0911080A1 EP0911080A1 EP98402433A EP98402433A EP0911080A1 EP 0911080 A1 EP0911080 A1 EP 0911080A1 EP 98402433 A EP98402433 A EP 98402433A EP 98402433 A EP98402433 A EP 98402433A EP 0911080 A1 EP0911080 A1 EP 0911080A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- head
- drive
- drive head
- centrifuge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
- B04B2007/025—Lids for laboratory centrifuge rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
- B04B2009/085—Locking means between drive shaft and rotor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/60—Biased catch or latch
- Y10T403/602—Biased catch or latch by separate spring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/60—Biased catch or latch
- Y10T403/608—Pivoted
Definitions
- the present invention relates to a centrifuge of the type comprising a rotational drive head integral a rotation shaft, a rotor that can be mounted removably on the drive head, in a position rotary drive, coupling means in rotation of the drive head and the rotor, and a axial rotor locking device on the head drive comprising application means, on the rotor, of an axial holding force of a bearing surface of the rotor against a retaining surface integral with the head training.
- centrifuges are, in particular, used in the biological field to centrifuge products contained in containers arranged in housings formed in the rotor.
- a drive head of such a centrifuge generally has a vertical axis and extends the upper part a training axis.
- a corresponding rotor is provided with a lower opening for receiving the head.
- WO 83/04379 describes a centrifuge of the aforementioned type in which the axial holding force of the rotor is exerted by a helical spring bearing, on the one hand, on an upper shoulder of a closing lid the rotor and, on the other hand, on a lower shoulder an actuating member, a rod of which is intended to be axially retained by snap-fastening in an axial bore of the training head.
- a user can manually disconnect the rotor and drive head thanks to the body actuation, by compressing the helical spring.
- the holding force axial is constant and limited to values allowing manual use of the actuator.
- This axial holding force may prove to be insufficient, especially at high rotational speeds, such than those encountered in ultracentrifuges and which can reach 150,000 rpm.
- centrifuge described in the document WO 83/04379 involves using a cover closing the rotor to be able to lock the rotor axially on the drive head, which complicates assembly / disassembly operations of the rotor on the drive head.
- the object of the invention is to solve these problems by providing a centrifuge with a locking device axial is suitable for a wide range of rotational speeds of the drive head, and simplifies operations mounting / dismounting the rotor on the head training.
- the invention relates to a centrifuge of the type comprising a rotary drive head integral with a rotation shaft, a rotor which can be removably mounted on the drive head, in a rotational drive position, means rotating coupling of the drive head and the rotor, and an axial rotor locking device on the drive head comprising application means, on the rotor, of an axial holding force of a surface of the rotor against a retaining surface integral with the drive head, characterized in that the means application of a holding force are means application of an increasing holding force with speed of rotation of the drive head.
- the invention finally relates to a rotor for a centrifuge as defined above, characterized in that it includes a reception opening of at least one end part of a drive head of a centrifuge, said opening having a bearing surface against a retaining surface secured to the head drive, and at least one ramp surface intended for cooperate with a thrust part of a flyweight of the drive head, this ramp surface being inclined towards the inside of the opening and towards the bearing surface.
- FIG. 1 partially shows a centrifuge 1 essentially comprising a drive head 2, a rotor 3 mounted in the drive position on the head 2, a removable cover 4 closing the rotor 3, and an actuating member 5 secured to the cover 4.
- the rotor 3 is of generally frustoconical shape converging towards an upper face 6 (in FIG. 1) of the rotor 3, and it is made, for example, of aluminum.
- This bore 7 is delimited successively from a lower face 8 of the rotor 3, by a bearing surface frustoconical 9 converging towards the upper surface 6, by a cylindrical surface 10, by a frustoconical surface of ramp 11 diverging towards the upper surface 6, then by two successive cylindrical surfaces 12 and 13, respectively larger diameter and smaller diameter, connected by a shoulder 14 substantially orthogonal to the axis rotor 3.
- the ramp surface 11 is inclined towards inside the bore 7 and towards the bearing surface 9.
- the ramp surface 11, the cylindrical surface 12 and the shoulder 14 define an annular groove 15.
- the angle of convergence of the bearing surface 9 by relative to the axis of the rotor 3 is approximately 30 °.
- the angle of divergence of the ramp surface 11 relative to the axis of the rotor 3 is approximately 75 °.
- the upper surface 6 has a peripheral rim annular 16 projecting axially from the surface 6.
- the rotor 3 comprises housings 100 (one of which only is shown in Figure 1), opening into the surface 6, for ampoules or other containers intended for contain products to be centrifuged.
- a cap 17, of generally cylindrical stepped shape, is fixed by a flange 18 on the upper surface 6 of the rotor 3, coaxially with the latter.
- a lower part cylindrical 19 of the cap 17 is received at low clearance in the part of bore 7 delimited by the surface cylindrical 13. The cap 17 closes the bore 7.
- the cap 17 is crossed by a stepped bore central 22 comprising an upper cylindrical part 23 (in Figure 1) of larger diameter and threaded, and a lower cylindrical part 24 of smaller diameter.
- the cover 4 has a generally frustoconical shape, and it is provided on its lower surface 25 (in the figure 1) a peripheral rim 26 projecting axially from this surface 25.
- the cover 4 is crossed by a central opening circular 27.
- the cover 4 is removably attached and watertight on the rotor 3, as described below.
- the ledge 26 of the cover 4 is fitted inside the flange 16 of the rotor 3 and the cover 4 is coaxial with the rotor 3.
- the actuator 5, shown in position rest in Figure 1, includes a cylindrical body 28 crossed by a central bore 29, a sliding rod 30 in the bore 29, and a handle 31 secured to the cylindrical body 28.
- the lower part of the body 28 is externally threaded.
- the upper end of the rod 30 is extended by a knob 32, coaxial with the rod 30.
- the knob 32 is connected to the rod 30 via a lower face 33 of the knob 32, substantially orthogonal to the axis of the rod 30, and of diameter greater than that of rod 30.
- the rod 30 is provided on its outer surface a transverse groove in which an elastic ring 34 is received.
- the lower end 35 of the rod 30 is tapered.
- a spring 36 is threaded on the rod 30 and takes support, on the one hand, on an upper surface 37 of the body 28 and, on the other hand, on the lower surface 33 of the pommel 32.
- the handle 31 is a generally cylindrical piece stepped, crossed by a central bore 39, in which an upper part of the body 28, the spring 36 and a lower part of the knob 32 is received.
- the body 28 is fixed to the handle 31 coaxially. Spring 36 and the lower part of the knob 32 can slide in bore 39.
- the upper part of larger diameter 40 of the handle 31 is knurled.
- the actuator 5 is symmetrical with respect to to a longitudinal axis.
- the body 28 passes through the opening 27 and it is fixed on the cover 4 by sealingly sealing this opening 27.
- the rotor 3, the cover 4 and the member actuation 5 are coaxial.
- the lower part of the body 28 is screwed into the part 23 of the bore 22 of the cap 17, thus ensuring fixing the cover 4 to the rotor 3.
- an upper part knob 32 is located projecting from an upper surface 41 of the handle 31 and the end tapered 35 of the rod 30 is projecting axially below the surface lower 20 of the cap 17, the rod 30 passing through bore 29 and bore 22.
- the elastic ring 34 is in support against the lower surface of the body 28 and the spring 36 is slightly compressed.
- the head drive is symmetrical about an axis 42 and it is attached to the upper end of a rotation shaft 43 vertical of centrifuge 1, coaxially to the latter.
- the axis of rotation of the rotation shaft 43 and of the drive head 2 is coincident with the axis 42, and it is shown in phantom in Figure 1.
- the drive head 2 successively comprises a cylindrical part 44 for connection to the shaft drive 43, a frusto-conical part 45, converging towards an upper surface 46 of the head 2 and delimited by a retaining surface 47, and an upper end portion 48 of generally cylindrical shape, delimited above by the surface 46 which is substantially orthogonal to axis 42.
- the diameter of the cylindrical part 44 is less the largest diameter of the frustoconical part 45, and the radially outer surface 49 of the part 48 extends the retaining surface 47.
- the angle of convergence of the retaining surface 47 with respect to the axis 42 is approximately 30 ° and corresponds to the angle of convergence of the bearing surface 9 of the rotor 3.
- Two identical recesses 51 are provided in the cylindrical part 48, substantially equal distance from the edge upper of the retaining surface 47 and of the surface 46, and symmetrically with respect to a plane 52 (Figure 2) passing through the axis 42 and orthogonal to the plane of Figure 1.
- These recesses 51 are cylindrical in shape, with a parallel axis at axis 42, and at base in circular segment.
- These recesses 51 define between them a wall central 53 vertical. This wall 53 is crossed by a transverse recess 54, of axis orthogonal to the plane 52, and of rectangular base.
- a vertical blind bore 55 coaxial to the head 2, and opening into the surface 46, passes through the wall 43 of the cylindrical part 48. This bore extends into the wall 53 below the recess 54. The diameter of this bore 55 corresponds substantially to the outside diameter of the rod 30 of the actuating member 5.
- the drive head 2 includes two weights identical 56. These flyweights 56 each include a body 57 of shape corresponding to that of the recesses 51, and an actuating tail 58 extending the corresponding body 57 at the level of an upper part of its lateral face plane 59.
- the counterweights 56 are produced, by example, bronze or stainless steel.
- the weights 56 are each mounted to rotate on the drive head 2, in a recess 51, by means pegs 61 with axes parallel to axis 42 and traversing each one of the recesses 51.
- Weights 56 are mounted symmetrically relative to axis 42.
- the pins 61 are offset from the plane 62 (plane of FIG. 1) orthogonal to plane 52 and passing by axis 42.
- the tails 58 are received in the recess 54 of the wall 53.
- Coil return springs 63 are arranged away from the pins 61 between each counterweight 56 and the wall 53.
- Weights 56 have lateral surfaces curved thrust 64 whose upper edge 65 is chamfered ( Figure 1) and whose lower edge 66 is rounded.
- the surface 46 of the head 2 is provided with two nipples 67 coupling in rotation, projecting axially from this surface 46, and diametrically opposite to each other relative to axis 42.
- the flyweights 56 are movable in rotation around pins 61 each between an unlocking position axial of the rotor 3 and of the drive head 2, and a position axial locking of the rotor 3 on the dependent head 2 the speed of rotation of the drive head as explained below.
- centrifuge 1 To use centrifuge 1, a user proceed, for example, as described below.
- the user places containers containing products to be centrifuged in the housings 100, then fix the cover 4 on the rotor 3, using the handle 31, by screwing the body 28 of the organ 5. Knurling of part 40 of the handle 31 ensures good grip of the handle 31.
- Weights 56 are initially in a position intermediate between the positions represented on Figures 2 and 3, the springs 63 not being compressed.
- the bearing support surface 9 of the rotor 3 cooperates with the upper edge 65 of the pushing surfaces 64 weights 56 and push the weights 56 towards their unlocking positions ( Figure 4) by compressing the springs 63.
- the retaining surface 47 of the drive head 2 allows the rotor 3 to be centered on the head 2.
- the rotor 3 is then mounted on the head drive 2 in drive position as shown in Figure 1.
- the rotor 3 and the drive head 2 are then coaxial.
- the rotating coupling of the drive head 2 and the rotor 3 is ensured by the nipples 21 of the cap 17 and the nipples 67 of the head 2 which are supported on each other.
- Axial locking of rotor 3 on the head drive 2 is provided, on the one hand, by support of the bearing surface 9 of the rotor 3 on the retaining surface 47 of the drive head 2 and, on the other hand, by the effect of the gravity applying to rotor 3 and by the force of axial support exerted by the springs 63 on the rotor 3 through the lower edges 66 of the weights 56 and the inclined ramp surface 11.
- This axial blocking is sufficient to be able to start to drive the rotor 3 rotating safely.
- the user presses on the knob 32 so to fully retract it into bore 39 by compressing the spring 36.
- the tapered end 35 of the rod 30 penetrates simultaneously in the bore 55.
- the tails 58 of the counterweights 56 are supported on the lateral surface of the rod 30 which gradually spreads simultaneously radially towards outside the tails 58 of the flyweights 56, until these resume their axial release positions (figure 4).
- the user can then remove the rotor 3 from the drive head 2 by lifting the latter, in particular by using the handle 31 of the actuating member 5.
- the angle of convergence of the frustoconical surfaces 9 and 47 makes it possible to avoid the fitting of the rotor 3 on the head drive 2 and thus facilitates disassembly of the rotor 3, all the more so as the increasing holding force of the rotor 3 on the head 2 substantially compensates for the lifting force acting on the rotor 3 during its rotation.
- angle of convergence frustoconical surfaces 9 and 47 conjugate can be between 25 and 45 °.
- the angle of divergence of the ramp surface 11 can be between 70 and 80 °.
- the axial locking device of the centrifuge of figure 1 is completely arranged in the head 2 and thus has the advantage of allowing the use of a rotor 1 without its cover as illustrated by figure 4.
- the centrifuge 1 of FIG. 5 is distinguished from that of FIG. 1 in that the cover 4 has been removed from the rotor 3 and in that the rod 30 and the handle 31 of the member actuation 5, came integrally with the body 28.
- the handle 31 is crossed by a transverse bar facilitating his seizure.
- the user screws the body 28 of the operating member 5 in the bore 22 of the cap 17, thereby causing penetration of the tapered end 35 of the rod 30 in the bore 55 of the head 2, which causes, analogously to the case of FIG. 1, by thrust on the tails 58, the movement of the flyweights 56 towards their axial unlocking positions of the rotor 3 and the drive head 2.
- the user can then disassemble the rotor 3 of the drive head 2, for example using the handle 31 of the actuating member 5 for lifting the rotor 3.
- This feature simplifies the rotor 3 mounting / dismounting operations on the head 2, especially for users who want centrifuge sealed tubes at low speed.
- the axial release operation is very simple and allows the user to have both hands free to extract the rotor 3 from the drive head 2.
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Abstract
Description
- les moyens d'application d'une force de maintien comprennent au moins deux masselottes d'inertie montées, de manière symétrique par rapport à l'axe de rotation de la tête d'entraínement, sur une partie d'extrémité de la tête d'entraínement, mobiles chacune entre une position de déblocage axial du rotor et de la tête d'entraínement, dans laquelle la masselotte est rétractée dans la tête d'entraínement, et une position de blocage axial du rotor sur la tête d'entraínement dépendant de la vitesse de rotation de la tête d'entraínement, dans laquelle une partie de poussée de la masselotte est en saillie par rapport à une surface radialement extérieure de la tête d'entraínement et coopère avec une surface de rampe d'une ouverture de réception de la partie d'extrémité de la tête d'entraínement ménagée dans le rotor, cette surface de rampe étant inclinée vers l'intérieur de l'ouverture et vers la surface d'appui du rotor ;
- la surface de rampe est sensiblement tronconique ;
- au moins une masselotte est rappelée élastiquement depuis sa position rétractée vers une position de blocage axial initial du rotor sur la tête d'entraínement ;
- les masselottes sont montées à rotation sur la partie d'extrémité de la tête d'entraínement et comprennent chacune un appendice de manoeuvre actionnable simultanément par un organe extérieur, lorsque le rotor est en position d'entraínement, pour ramener les masselottes dans leurs positions rétractées de déblocage axial du rotor et de la tête d'entraínement ;
- la surface d'appui du rotor et la surface de retenue de la tête d'entraínement sont sensiblement tronconiques et conjuguées, la surface de retenue formant une surface de centrage du rotor sur la tête d'entraínement ; et
- une masselotte est une masselotte de choc pour provoquer un signal sonore lors du blocage axial du rotor sur la tête d'entraínement.
- la surface de rampe est sensiblement tronconique ; et
- la surface d'appui est sensiblement tronconique. L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple, et faite en se référant aux dessins annexés sur lesquels :
- la figure 1 est une vue latérale en coupe partielle d'une centrifugeuse selon l'invention, la tête d'entraínement étant représentée en vue latérale,
- les figures 2, 3 et 4 sont des vues en coupe de la tête d'entraínement de la centrifugeuse de la figure 1, prises suivant la ligne II-II de la figure 1, et représentant respectivement les masselottes en position de blocage initial, en position de blocage lorsque la tête d'entraínement tourne, et en position de déblocage, et
- la figure 5 est une vue analogue à la figure 1, illustrant l'utilisation d'un rotor sans couvercle.
Claims (10)
- Centrifugeuse (1) du type comprenant une tête (2) d'entraínement en rotation solidaire d'un arbre de rotation (43), un rotor (3) pouvant être monté de manière amovible sur la tête d'entraínement (2), dans une position d'entraínement en rotation, des moyens (21, 67) d'accouplement en rotation de la tête d'entraínement (3) et du rotor (2), et un dispositif de blocage axial du rotor (3) sur la tête d'entraínement (2) comprenant des moyens (56) d'application, sur le rotor (3), d'une force de maintien axial d'une surface d'appui (9) du rotor contre une surface de retenue (47) solidaire de la tête d'entraínement, caractérisée en ce que les moyens (56) d'application d'une force de maintien sont des moyens d'application d'une force de maintien croissante avec la vitesse de rotation de la tête d'entraínement.
- Centrifugeuse selon la revendication 1, caractérisée en ce que les moyens d'application d'une force de maintien comprennent au moins deux masselottes d'inertie (56) montées, de manière symétrique par rapport à l'axe de rotation (42) de la tête d'entraínement (2), sur une partie d'extrémité (48) de la tête d'entraínement, mobiles chacune entre une position de déblocage axial du rotor et de la tête d'entraínement, dans laquelle la masselotte (56) est rétractée dans la tête d'entraínement (2), et une position de blocage axial du rotor (3) sur la tête d'entraínement (2) dépendant de la vitesse de rotation de la tête d'entraínement (2), dans laquelle une partie de poussée (64) de la masselotte (54) est en saillie par rapport à une surface radialement extérieure (49) de la tête d'entraínement (2) et coopère avec une surface de rampe (11) d'une ouverture (7) de réception de la partie d'extrémité (48) de la tête d'entraínement ménagée dans le rotor (3), cette surface de rampe (11) étant inclinée vers l'intérieur de l'ouverture (7) et vers la surface d'appui (9) du rotor.
- Centrifugeuse selon la revendication 2, caractérisé en ce que la surface de rampe (11) est sensiblement tronconique.
- Centrifugeuse selon la revendication 2 ou 3, caractérisée en ce qu'au moins une masselotte (56) est rappelée élastiquement depuis sa position rétractée vers une position de blocage axial initial du rotor (3) sur la tête d'entraínement (2).
- Centrifugeuse selon l'une quelconque des revendications 2 à 4, caractérisée en ce que les masselottes (56) sont montées à rotation sur la partie d'extrémité (48) de la tête d'entraínement (2) et comprennent chacune un appendice de manoeuvre (58) actionnable simultanément par un organe extérieur (5), lorsque le rotor (3) est en position d'entraínement, pour ramener les masselottes (56) dans leurs positions rétractées de déblocage axial du rotor (3) et de la tête d'entraínement (2).
- Centrifugeuse selon l'une quelconque des revendications 2 à 5, caractérisé en ce que la surface d'appui (9) du rotor et la surface de retenue (47) de la tête d'entraínement sont sensiblement tronconiques et conjuguées, la surface de retenue (47) formant une surface de centrage du rotor (3) sur la tête d'entraínement (2).
- Centrifugeuse selon l'une quelconque des revendications 2 à 6, caractérisée en ce qu'au moins une masselotte (56) est une masselotte de choc pour provoquer un signal sonore lors du blocage axial du rotor (3) sur la tête d'entraínement (2).
- Rotor pour une centrifugeuse selon l'une quelconque des revendications 2 à 7, caractérisé en ce qu'il comprend une ouverture (7) de réception d'au moins une partie d'extrémité (48) d'une tête d'entraínement (2) d'une centrifugeuse (1), ladite ouverture présentant une surface (9) d'appui contre une surface de retenue (47) solidaire de la tête d'entraínement (2), et au moins une surface de rampe (11) destinée à coopérer avec une partie de poussée (64) d'une masselotte (56) de la tête d'entraínement (2), cette surface de rampe (11) étant inclinée vers l'intérieur de l'ouverture (7) et vers la surface d'appui (9).
- Rotor selon la revendication 8, caractérisé en ce que la surface de rampe (11) est sensiblement tronconique.
- Rotor selon la revendication 8 ou 9, caractérisé en ce que la surface d'appui (9) est sensiblement tronconique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713308A FR2770154B1 (fr) | 1997-10-23 | 1997-10-23 | Centrifugeuse a rotor demontable et a dispositif de blocage axial du rotor sur une tete d'entrainement, et rotor pour une telle centrifugeuse |
FR9713308 | 1997-10-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0911080A1 true EP0911080A1 (fr) | 1999-04-28 |
EP0911080B1 EP0911080B1 (fr) | 2002-12-11 |
Family
ID=9512573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98402433A Expired - Lifetime EP0911080B1 (fr) | 1997-10-23 | 1998-10-02 | Centrifugeuse à rotor démontable et à dispositif de blocage axial du rotor sur une tête d'entraínement, et rotor pour une telle centrifugeuse |
Country Status (7)
Country | Link |
---|---|
US (1) | US6063018A (fr) |
EP (1) | EP0911080B1 (fr) |
JP (1) | JP4239119B2 (fr) |
AT (1) | ATE229375T1 (fr) |
DE (1) | DE69810060T2 (fr) |
ES (1) | ES2189110T3 (fr) |
FR (1) | FR2770154B1 (fr) |
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FR2783726A1 (fr) * | 1998-09-30 | 2000-03-31 | Hitachi Koki Kk | Mecanisme de montage et de demontage destine a un rotor de centrifugeuse |
FR2951965A1 (fr) * | 2009-11-04 | 2011-05-06 | Bms Internat | Centrifugeuse integrant des moyens tachymetriques montes dans une partie superieure de l'enceinte, en particulier montes sur le couvercle |
FR2951964A1 (fr) * | 2009-11-04 | 2011-05-06 | Bms Internat | Centrifugeuse comprenant des moyens d'indication visuelle et/ou tactile du montage correct du rotor sur l'arbre d'entrainement, et rotor correspondant |
EP2450107A1 (fr) * | 2009-06-30 | 2012-05-09 | Kubota Manufacturing Corporation | Mécanisme à section de couvercle pour rotor |
DE102012011531A1 (de) | 2012-06-08 | 2013-12-12 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge für einen weiten Drehzahlbereich |
EP2799148A1 (fr) * | 2013-05-02 | 2014-11-05 | AFI Centrifuge | Centrifugeuse de laboratoire comprenant des moyens pour le verrouillage en translation d'un rotor sur un arbre moteur d'entrainement |
CN104841577A (zh) * | 2014-02-17 | 2015-08-19 | 热电子Led有限公司 | 将驱动器与离心机转子可拆卸地连接的传动头,包括这种传动头的套件,和离心机 |
DE102014008219A1 (de) | 2014-05-28 | 2015-12-03 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge, diesen umfassendes Set und Zentrifuge |
CN111659547A (zh) * | 2020-04-24 | 2020-09-15 | 青岛海尔生物医疗股份有限公司 | 离心机转子 |
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US6665924B2 (en) * | 2002-01-25 | 2003-12-23 | Kendro Laboratory Products, L.P. | Centrifuge having a spring-loaded nut for securing a rotor to a drive cone |
US6776751B2 (en) * | 2002-04-22 | 2004-08-17 | Kendor Laboratory Products, Lp | Rotor cover attachment apparatus |
US6764438B2 (en) * | 2002-04-22 | 2004-07-20 | Kendro Laboratory Products, Lp | Cover attachment apparatus |
US7081081B2 (en) * | 2002-04-22 | 2006-07-25 | Kendro Laboratory Products, Lp | Bayonet coupling mechanism for a centrifuge |
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DE102017130787A1 (de) * | 2017-12-20 | 2019-06-27 | Eppendorf Ag | Zentrifugenrotor |
DE102018114289A1 (de) | 2018-06-14 | 2019-12-19 | Andreas Hettich Gmbh & Co. Kg | Zentrifuge |
CN111659546B (zh) * | 2020-04-24 | 2024-09-06 | 青岛海特生物医疗有限公司 | 一种离心机 |
CN114405693A (zh) * | 2021-12-02 | 2022-04-29 | 深圳市瑞沃德生命科技有限公司 | 一种驱动轴、转子及其离心机 |
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Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2783726A1 (fr) * | 1998-09-30 | 2000-03-31 | Hitachi Koki Kk | Mecanisme de montage et de demontage destine a un rotor de centrifugeuse |
EP2450107A1 (fr) * | 2009-06-30 | 2012-05-09 | Kubota Manufacturing Corporation | Mécanisme à section de couvercle pour rotor |
EP2450107A4 (fr) * | 2009-06-30 | 2013-01-23 | Kubota Mfg Corp | Mécanisme à section de couvercle pour rotor |
FR2951965A1 (fr) * | 2009-11-04 | 2011-05-06 | Bms Internat | Centrifugeuse integrant des moyens tachymetriques montes dans une partie superieure de l'enceinte, en particulier montes sur le couvercle |
FR2951964A1 (fr) * | 2009-11-04 | 2011-05-06 | Bms Internat | Centrifugeuse comprenant des moyens d'indication visuelle et/ou tactile du montage correct du rotor sur l'arbre d'entrainement, et rotor correspondant |
WO2011054906A1 (fr) * | 2009-11-04 | 2011-05-12 | Awel International | Centrifugeuse comprenant des moyens d'indication visuelle et/ou tactile du montage correct du rotor sur l'arbre d'entraînement, et rotor correspondant |
WO2011054901A1 (fr) * | 2009-11-04 | 2011-05-12 | Awel International | Centrifugeuse intégrant des moyens tachymétriques montés dans une partie supérieure de l'enceinte, en particulier montés sur le couvercle |
US20130203581A1 (en) * | 2009-11-04 | 2013-08-08 | Awel International | Centrifuge integrating tachometric device mounted in an upper part of the chamber, especially mounted on the lid |
DE102012011531B4 (de) * | 2012-06-08 | 2016-11-10 | Thermo Electron Led Gmbh | Set aus Antriebskopf und Nabe zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge für einen weiten Drehzahlbereich |
DE102012011531A1 (de) | 2012-06-08 | 2013-12-12 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge für einen weiten Drehzahlbereich |
US9718067B2 (en) | 2012-06-08 | 2017-08-01 | Thermo Electron Led Gmbh | Centrifuge drive head for releasably connecting a driving system to a rotor of a centrifuge, a set and a centrifuge comprising the drive head |
US9539588B2 (en) | 2013-05-02 | 2017-01-10 | Afi Centrifuge | Laboratory centrifuge with locking system for locking in translation of rotor on driving motor shaft |
FR3005273A1 (fr) * | 2013-05-02 | 2014-11-07 | Afi Centrifuge | Centrifugeuse de laboratoire comprenant des moyens pour le verrouillage en translation d'un rotor sur un arbre moteur d'entrainement |
EP2799148A1 (fr) * | 2013-05-02 | 2014-11-05 | AFI Centrifuge | Centrifugeuse de laboratoire comprenant des moyens pour le verrouillage en translation d'un rotor sur un arbre moteur d'entrainement |
US9339824B2 (en) | 2014-02-17 | 2016-05-17 | Thermo Electron Led Gmbh | Drive head for detachable connection of a drive with a rotor of a centrifuge, kit comprising such a drive head, and centrifuge |
DE102014002126A1 (de) | 2014-02-17 | 2015-08-20 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge, diesen umfassendes Set und Zentrifuge |
CN104841577A (zh) * | 2014-02-17 | 2015-08-19 | 热电子Led有限公司 | 将驱动器与离心机转子可拆卸地连接的传动头,包括这种传动头的套件,和离心机 |
CN104841577B (zh) * | 2014-02-17 | 2017-08-01 | 热电子Led有限公司 | 将驱动器与离心机转子可拆卸地连接的传动头,包括这种传动头的套件,和离心机 |
DE102014002126B4 (de) | 2014-02-17 | 2019-01-17 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge, diesen umfassendes Set und Zentrifuge |
US9452436B2 (en) | 2014-05-28 | 2016-09-27 | Thermo Electron Led Gmbh | Drive head for detachable connection of a drive with a rotor of a centrifuge, kit comprising the drive head, and centrifuge |
CN105289858A (zh) * | 2014-05-28 | 2016-02-03 | 热电子Led有限公司 | 驱动头、包括该驱动头的套件、以及离心机 |
DE102014008219A1 (de) | 2014-05-28 | 2015-12-03 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge, diesen umfassendes Set und Zentrifuge |
CN105289858B (zh) * | 2014-05-28 | 2018-03-09 | 热电子Led有限公司 | 驱动头、包括该驱动头的套件、以及离心机 |
DE102014008219B4 (de) | 2014-05-28 | 2018-08-02 | Thermo Electron Led Gmbh | Antriebskopf zur lösbaren Verbindung eines Antriebes mit einem Rotor einer Zentrifuge, diesen umfassendes Set und Zentrifuge |
CN111659547A (zh) * | 2020-04-24 | 2020-09-15 | 青岛海尔生物医疗股份有限公司 | 离心机转子 |
CN111659547B (zh) * | 2020-04-24 | 2024-09-06 | 青岛海特生物医疗有限公司 | 离心机转子 |
Also Published As
Publication number | Publication date |
---|---|
FR2770154B1 (fr) | 1999-11-26 |
US6063018A (en) | 2000-05-16 |
FR2770154A1 (fr) | 1999-04-30 |
DE69810060T2 (de) | 2003-10-09 |
ES2189110T3 (es) | 2003-07-01 |
ATE229375T1 (de) | 2002-12-15 |
EP0911080B1 (fr) | 2002-12-11 |
DE69810060D1 (de) | 2003-01-23 |
JP4239119B2 (ja) | 2009-03-18 |
JPH11197549A (ja) | 1999-07-27 |
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