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Patent Searching and Data


Title:
MAGNETIC REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/224264
Kind Code:
A1
Abstract:
Provided is a magnetic refrigeration device, comprising a first assembly (1) and a second assembly (2), wherein the second assembly (2) is an annular assembly, the first assembly (1) is located on a radial outer side or a radial inner side of the second assembly (2), the first assembly (1) is a first magnet assembly, the second assembly (2) is provided with an air gap space capable of accommodating a magnetic working medium bed (24), the first assembly (1) can rotate relative to the second assembly (2), and the directions of the magnetic line of force of the first magnet assembly are distributed in the circumferential direction of the annular second assembly (2). With such a structure, the radial dimension of the second assembly (2) is large, the air gap accommodation volume of the magnetic working medium bed (24) is increased to increase the amount of magnetic working medium or the effective work space of a magnet, thereby improving the refrigeration or heating effect of the magnetic refrigeration device.

Inventors:
WANG KUI (CN)
LUO SHENG (CN)
YANG RONG (CN)
Application Number:
PCT/CN2019/125502
Publication Date:
November 12, 2020
Filing Date:
December 16, 2019
Export Citation:
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Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F25B21/00; H01F7/02
Domestic Patent References:
WO2003016794A12003-02-27
Foreign References:
CN209944795U2020-01-14
EP2108904A12009-10-14
CN109708335A2019-05-03
CN109612151A2019-04-12
TWI277108B2007-03-21
Other References:
See also references of EP 3967952A4
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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