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Fiber-reinforced swing bucket centrifuge rotor and related methods

A centrifuge rotor and rotor technology, applied in centrifuges and other directions, can solve the problems of conventional metal rotors such as stress fatigue, fatigue failure, and expensive

Active Publication Date: 2014-04-02
FIBERLITE CENTRIFUGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here dynamic stresses and forces can lead to failure of metal rotors, such as fatigue failure
Additionally or alternatively, conventional metal rotors of this type are subject to corrosion and stress fatigue
Finally, the substantially solid construction of conventional rotors renders them relatively heavy and potentially expensive to manufacture

Method used

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  • Fiber-reinforced swing bucket centrifuge rotor and related methods
  • Fiber-reinforced swing bucket centrifuge rotor and related methods
  • Fiber-reinforced swing bucket centrifuge rotor and related methods

Examples

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Embodiment Construction

[0016] Figure 1-4 An exemplary centrifuge rotor 10 according to an embodiment of the invention is shown. The rotor 10 supports a plurality of swinging buckets 12 each configured to hold sample tubes and / or similar laboratory-type containers 13 for centrifugal rotation about a central axis of rotation 14 defined by a rotor core 16 of the rotor 10 . Each bucket 12 includes a selectively closable lid 12a and a pair of latches 12b configured to lock the lid 12a in place during centrifugation. U.S. Patent Application No. 12 / 429,569, entitled "SWING BUCKET FOR USE WITH A CENTRIFUGE ROTOR," commonly assigned to the assignee of the present application, discloses exemplary Barrel 12, the disclosure of which is expressly incorporated herein by reference in its entirety.

[0017] The rotor 10 comprises a plurality of tub supports 20 a , 20 b arranged to rotate about the axis 14 . While exemplary tub supports 20a, 20b are shown as generally V-shaped, it is contemplated that the tub su...

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PUM

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Abstract

A centrifuge rotor is provided having a rotor core that defines a rotational axis of the rotor. A plurality of bucket supports is arranged about the axis of rotation. The rotor includes first and second straps that respectively wrap around two diametrically-opposed ones of the bucket supports for restricting outward movement of the two bucket supports relative to the rotor core. The first and second straps intersect one another at a location through the axis of rotation of the rotor.

Description

technical field [0001] This invention relates generally to centrifuge rotors, and more particularly to high speed centrifuge rotors for use with swinging buckets. Background technique [0002] Centrifuge rotors are commonly used in laboratory centrifuges to hold samples during centrifugation. While centrifuge rotors can vary considerably in structure and size, one common rotor structure is a swinging bucket rotor having a solid rotor body that defines the outer rim or wall of the rotor, and multiple wells or compartments. The wells or compartments are distributed radially within the rotor body and arranged symmetrically around the axis of rotation. The presence of the rim or wall provides structural rigidity to the rotor, especially for the high dynamic forces experienced during centrifugation. Buckets are placed in the wells and are configured to hold sample tubes or similar laboratory-type containers, each containing a specific fluid material. During high speed rotation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B04B5/04B04B7/08
CPCB04B5/0421B04B7/085B04B2009/085Y10T29/49826B04B5/04B04B7/08
Inventor S·皮拉穆恩A·皮拉穆恩
Owner FIBERLITE CENTRIFUGE