Title:
DISPLACEMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/099797
Kind Code:
A1
Abstract:
Disclosed is a displacement device, comprising at least one first frame portion and at least one second frame portion. Each first frame portion and the corresponding second frame portion can move relative to each other; the first frame portion comprises a first frame and a plurality of coil arrays, the plurality of coil arrays are arranged on a plurality of planes of the first frame, each coil array comprises a plurality of coils, and the plurality of coils are arranged adjacent to each other along a first direction; the second frame portion comprises a second frame and a plurality of magnet arrays, the plurality of magnet arrays are arranged on a plurality of planes of the second frame, each magnet array comprises a plurality of magnets, at least two magnets in the plurality of magnets have mutually different magnetization directions, and the magnets are arranged alternately along the first direction. This displacement device allows for relative motion between frames, displacements of different distances can be achieved according to different requirements, there is no direct mechanical contact between the frames, it is also convenient for equipment and maintenance operation, and for large-scale use, the manufacturing and use cost can be effectively reduced.
Inventors:
DING CHENYANG (CN)
GONG WEI (CN)
WU LIWEI (CN)
YANG XIAOFENG (CN)
GONG WEI (CN)
WU LIWEI (CN)
YANG XIAOFENG (CN)
Application Number:
PCT/CN2020/131732
Publication Date:
May 19, 2022
Filing Date:
November 26, 2020
Export Citation:
Assignee:
UNIV FUDAN (CN)
International Classes:
H02K41/02; H02K11/21; H02K11/215; H02K33/00; H02K33/18
Foreign References:
| CN108382264A | 2018-08-10 | |||
| CN104617741A | 2015-05-13 | |||
| CN204408165U | 2015-06-17 | |||
| CN102437705A | 2012-05-02 | |||
| CN103731005A | 2014-04-16 | |||
| CN110449916A | 2019-11-15 | |||
| CN101107571A | 2008-01-16 | |||
| CN204408163U | 2015-06-17 | |||
| CN104600952A | 2015-05-06 | |||
| CN104049472A | 2014-09-17 | |||
| US4916340A | 1990-04-10 | |||
| JPS57193962A | 1982-11-29 |
Attorney, Agent or Firm:
SHANGHAI GOOIP CO., LTD. (CN)
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