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Bubble removing device for magnetic fluid

A magnetic liquid and bubble technology, applied in the direction of foam dispersion/prevention, can solve the problems of time-consuming and uneconomical, and achieve the effect of improving economic benefits

Inactive Publication Date: 2012-10-31
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device needs 26 hours to remove the air bubbles in 20ml of kerosene-based magnetic liquid, which is time-consuming and uneconomical

Method used

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  • Bubble removing device for magnetic fluid

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Effect test

Embodiment Construction

[0011] The present invention will be further described with accompanying drawing as specific embodiment:

[0012] The magnetic liquid debubbling device comprises: a container 3 for placing the magnetic liquid, the container mouth 4 is connected to a vacuum pump 6 through an air guide tube 5, the container 3 for placing the magnetic liquid is placed on the upper surface of the magnet 1, and the material of the magnet is NdFeB.

[0013] The shape of the lower surface of the container 3 for placing the magnetic liquid is the same as that of the upper surface of the magnet 1, including circular, rectangular, oval, etc.

[0014] The container 3 for placing the magnetic liquid and the air duct 5 all adopt non-magnetic materials such as glass and plastics.

[0015] When working, first inject the magnetic liquid 2 into the container 3 where the magnetic liquid is placed, place it on the upper surface of the magnet 1, turn on the vacuum pump 6, and make the pressure in the container re...

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PUM

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Abstract

The invention discloses a bubble removing device for a magnetic fluid, the bubble removing device provided by the invention belongs to a device for removing bubbles of a magnetic fluid and is applicable to a magnetic fluid shock absorber, a magnetic fluid sensor and other precise instruments in need of magnetic fluids without bubbles. The device comprises a container (3) for containing the magnetic fluid, wherein a container opening (4) is connected with a vacuum pump (6) through an air duct (5), the container (3) for containing the magnetic fluid is arranged on the upper surface of a magnet (1), and the magnet is made of rubidium iron boron. The lower surface of the container (3) for containing the magnetic fluid has the same shape with the upper surface of the magnet (1). The invention provides a method for quickly and economically removing bubbles in a magnetic fluid.

Description

technical field [0001] The invention belongs to a device for removing magnetic liquid bubbles, which is suitable for magnetic liquid shock absorbers, magnetic liquid sensors and other precision instruments that require magnetic liquid without bubbles. Background technique [0002] Magnetic liquid is a new type of functional material that has emerged with the development of science and technology. It has the magnetizable properties of magnetic materials and the flow properties of liquids. It was first prepared by Papell in the 1960s when he was studying the dynamic sealing of space suits. Since the application of magnetic liquid, it has achieved in-depth research day and night in just over 40 years of development, and has been widely used in many fields such as machinery, electronics, aviation, medicine, etc. With more in-depth research on magnetic liquid and Wider applications also put forward certain requirements for the magnetic liquid itself, including the requirement tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D19/02
Inventor 李德才范东
Owner BEIJING JIAOTONG UNIV