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A device used to homogenize and separate samples

A technology of homogenization and equipment, applied in chemical instruments and methods, centrifuges, transportation and packaging, etc., can solve problems such as leakage of lubricants, leaks in seals, contamination of lubricants inside centrifuges, etc., and achieve long operation time. , the effect of high centrifugal force

Active Publication Date: 2017-06-09
ANDREAS HETTICH GMBH & CO KG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that, after prolonged operation of the device, this seal will become leaky and the lubricant will escape under the action of the prevailing centrifugal and / or acceleration forces in the region of the seal
This can damage the gear unit and also cause the inside of the centrifuge to become contaminated with lubricant
This problem arises in particular when the bearings get hot, which limits the operating time of the device to a maximum of 30 minutes

Method used

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  • A device used to homogenize and separate samples
  • A device used to homogenize and separate samples
  • A device used to homogenize and separate samples

Examples

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Embodiment Construction

[0101] figure 1The view in FIG. 2 shows a double centrifuge 10 for homogenization and separation of media, which comprises a centrifuge motor 12 and a centrifuge rotor 14 . The centrifuge rotor 14 rotates about an axis A corresponding to the drive shaft of the centrifuge motor 12 . The centrifuge rotor 14 is connected to a rotation unit 16 mounted rotatably about rotation axes R1 , R2 of the rotation unit. The rotary units 16 have on their peripheral parts gear teeth 18 which mesh with a gear 22 which is non-rotatably mounted on the centrifuge motor housing 20 . Rotation of the centrifuge rotor 14 relative to the motor 12 about the motor axis A will cause the rotation units 16 to rotate about their rotation unit axes R. FIG. Each rotating unit 16 is mounted in a recess 30 in the centrifuge rotor 14 which is provided in the centrifuge rotor 14 specifically for the purpose of mounting the rotating unit, each rotating unit 16 being inserted into two bearings 24 , 26 (the two b...

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Abstract

The invention relates to a device for homogenizing and separating a medium (10), said device comprising a centrifuge (40, 70) with a centrifuge rotor (14, 44, 74), said centrifuge a centrifuge rotor rotatable about a motor axis (A) of a centrifuge motor (12, 42, 72) and comprising a rotor body to which at least one rotating unit (16, 48, 80) is connected, In order that said rotary unit is additionally adaptable to rotate about a rotary axis of the rotary unit different from said motor axis (A), said rotary unit can be driven by a rotary unit drive provided with a In terms of means for setting at least two different rotational speeds to said rotating unit (16, 48, 80), and furthermore said rotating unit (16, 48, 80) has teeth (8) on its peripheral portion, the Said rotary unit (16, 48, 80) can be driven via said tooth, characterized in that said rotary unit drive comprises a tooth, said tooth being associated with said centrifuge motor.

Description

technical field [0001] The invention relates to a device for dual centrifugation of samples. Background technique [0002] Double centrifugation (DC) is a process in which a sample is rotated around a primary axis of rotation at the same time as a secondary axis of rotation, so that the secondary axis of rotation can intersect the sample at any point and can also be outside the sample. [0003] For this reason, in addition to the main axis of rotation, the double centrifuge device also comprises at least one additional axis of rotation, ie a secondary axis of rotation about which the sample can be rotated. Typically, the device for receiving and holding a sample (sample holder) rotates about a secondary axis of rotation. [0004] A process performed using a double centrifuge device, ie utilizing the interaction of two rotational movements, is called a double centrifuge process (DC process). This process can be performed more efficiently than conventional processes due to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F9/00B04B5/02B01F15/00
CPCB04B5/02B01F29/00B29B7/106B01F29/10B01F2035/352B01F35/33B01F29/15B01F29/4035
Inventor K-G·埃伯利A·伦兹U·马辛V·齐罗利
Owner ANDREAS HETTICH GMBH & CO KG
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