Patent classifications
B04B2009/085
Centrifugal separator and rotor having an external hub to shaft connection
The invention relates to a centrifugal separator for separation of at least two components of a fluid mixture which have different densities. The centrifugal separator comprises a rotor arranged for rotation about a vertical axis of rotation (R) and having a rotor wall which surrounds a separating chamber within the rotor, with an inlet adapted to feeding the fluid mixture into the rotor's separating chamber, and at least one outlet adapted to discharging outwardly from the rotor a component separated from the fluid mixture. A rotor shaft supports the rotor and is drivably connected to a motor (M) for rotation of the rotor about the axis of rotation (R). A hub is provided outside the rotor, and the hub and the rotor shaft are arranged to be connected together from the outside of the rotor by means of a lockable and releasable fastening which is configured to lock the rotor shaft relative to the hub in both a torque-transmitting and an axial force-transmitting way.
CENTRIFUGE ROTOR
The invention relates to 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. The invention is characterized in that the locking element 50 is formed by a tilt lever which has the actuating member 56 mounted on its upper end and the latching element 58 mounted on its lower end, with its pivot axis being aligned perpendicular to the rotor axis R.
CENTRIFUGE ROTOR
The invention relates to 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 means of 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.
Laboratory centrifuge with locking system for locking in translation of rotor on driving motor shaft
A laboratory centrifuge includes two rotating parts (10, 11) associated by translation locking elements (13) including at least one female element (16) and at least one complementary male element (15). The male element (15) is associated with elements (20) for its operation to the inactive position, which include a rotating actuator member (21) carried by one of the rotating parts (11) and which cooperates with the male element (15) to ensure, by a rotational operation of the rotating actuator member (21) about its axis of rotation (21), the displacement of the associated male element (15) from the active position to the inactive position.
CENTRIFUGE
A centrifuge comprises: a drive shaft rotatable about an axis, an adapter connected thereto or forms part thereof; an axially removable rotor mounted on adapter; a quick-release fastener for fixing rotor relative to adapter in removal direction and releasable; an abutment connected to adapter; a locking bearing connected to rotor; locking element as part of quick-release fastener to fix rotor relative to adapter and drive shaft and effective between locking bearing and abutment. Quick-release fastener has actuating element where locking element is operatively connected and being movable between unlocking and locking position linearly in parallel to axis; locking element moves linearly relative to adapter when actuating element moves and is movable at angle () to axis between locking and unlocking position, and locking bearing is oriented at different angle (). Angles (, ) are measured clockwise from axis starting from actuating element's side and between 0 and 90.
RADIAL LOCKING SYSTEM FOR ATTACHING A ROTOR
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (74) having a plurality of recesses (98) spaced circumferentially and symmetrically about the drive head hub, a locking shoe (80) movably retained within each of the plurality of recesses and movable radially therein, and a resilient element (102) located between each locking shoe and the drive head hub for biasing each locking shoe in a radially outward direction relative to the rotational axis of the centrifuge drive. Each locking shoe is configured to exert a radially outwardly directed force on an interior sidewall of the hub of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
ROTATIONAL LOCKING SYSTEM FOR ATTACHING A ROTOR
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (58) including a plurality of recesses (62) formed in an outer sidewall, a locking shoe (66) movably retained within each of the plurality of recesses to define a hinge joint and pivotable about a hinge axis in a radially inward direction and a radially outward direction, and a resilient element for biasing each locking shoe in the radially inward direction. Each locking shoe is configured to exert a radially outwardly directed force (A2) on an interior sidewall of the hub (22) of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
INTERLOCKING CONES SYSTEM FOR ATTACHING A ROTOR
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (66) including a plurality of recesses (70) formed in an outer sidewall, a locking shoe (74) movably retained within each of the plurality of recesses by the retaining plate (68) so as to be pivotable about a pivot axis in a radially inward direction and a radially outward direction relative to the rotational axis of the centrifuge drive, and a resilient element (92) for biasing each locking shoe in the radially outward direction. Each locking shoe is configured to exert a radially outwardly directed force on an interior sidewall of the hub (22) of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
CENTRIFUGAL DRIVING APPARATUS AND CENTRIFUGAL DEVICE
A centrifugal driving apparatus and a centrifugal device are disclosed. The centrifugal driving apparatus includes a first rotating disc, a second rotating disc, a first transmission mechanism, a second transmission mechanism, and a driving mechanism; the driving mechanism drives the second rotating disc to rotate around its own rotation center; the first rotating disc is rotatably disposed on the second rotating disc, and the first rotating disc is connected to the second transmission mechanism by means of the first transmission mechanism; the first transmission mechanism and the second transmission mechanism can switch between a rotating state and a locked state, so that the first rotating disc rotates or is locked around its own rotation center when rotating synchronously with the second rotating disc. The first rotating disc can rotate or be locked when revolving with the second rotating disc.