Turbulent mixing by microscopic self-assembled spinners
US-11154828-B2 · Oct 26, 2021 · US
Multi-channel magnetic control system
US10245570B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10245570-B2 |
| Application number | US-201615009143-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 28, 2016 |
| Priority date | Sep 21, 2015 |
| Publication date | Apr 2, 2019 |
| Grant date | Apr 2, 2019 |
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Abstract
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A multi-channel magnetic control system is provided, which is used for mixing fluids containing magnetic particles or separating magnetic species. In the multi-channel magnetic control system, a plurality of magnetic field switches are allocated to surround a plurality of channels, and the magnetization directions of the magnetic field switches are controlled to generate an uneven local magnetic field gradient, so as to achieve the purpose of fluid mixing or separating the magnetic species. This system can be also used as controllable flow resistance devices for magnetic fluids. Based on the demand of magnetic field distribution, overall or local control of the magnetic field switches can be executed to perform parallel processing over the multi-channel system of multi-dimensional allocation, so as to effectively save the processing time. The mixing or separation rate can be obtained via detecting residual magnetic species by magnetoresistive sensors arranged in inlets and outlets of channels.
First claim
Opening claim text (preview).
What is claimed is: 1. A multi-channel magnetic control system, comprising: a plurality of channels; a plurality of magnetic field switches disposed around each of the plurality of channels, and each magnetic field switch comprises a plurality of magnetic elements having different magnetic anisotropies; and a control module providing an external magnetic field to change a magnetization direction of the magnetic elements of the at least one magnetic field switch, so as to gener…
Assignees
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Classifications
Operations & Transport · mapped topic
- B01F13/0809Primary
Operations & Transport · mapped topic
- B03C1/24Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- B01F33/451Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US10245570B2 cover?
- A multi-channel magnetic control system is provided, which is used for mixing fluids containing magnetic particles or separating magnetic species. In the multi-channel magnetic control system, a plurality of magnetic field switches are allocated to surround a plurality of channels, and the magnetization directions of the magnetic field switches are controlled to generate an uneven local magneti…
- Who is the assignee on this patent?
- Univ Nat Tsing Hua
- What technology area does this patent fall under?
- Primary CPC classification B01F13/0809. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 02 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).