Title:
RELAY
Document Type and Number:
WIPO Patent Application WO/2022/117077
Kind Code:
A1
Abstract:
Provided is a relay, used for strengthening retention force by means of sets of openings on a yoke (b) and a top cover (f). The relay comprises a yoke (b), a top cover (f), a static iron core (c), a main permanent magnet set, an auxiliary permanent magnet set, a first moving iron core (d), and a second moving iron core (d), the top cover (f) being provided with a first set of openings (h), the first set of openings (h) being arranged at a position on the top cover (f) for being in contact with the first moving iron core (d), the first set of openings (h) comprising at least one first sub-opening, the yoke (b) being provided with a second set of openings (i), the second set of openings (i) being arranged at a position on the yoke (b) for being in contact with the second moving iron core (d), and the second set of openings (i) comprising at least one second sub-opening.
Inventors:
YAN GUANGCHAO (CN)
DONG ENYUAN (CN)
TANG ZHUO (CN)
WANG YONGXING (CN)
WANG GONGRUN (CN)
SUN XIAOZHI (CN)
ZHANG LIFAN (CN)
XUE SHUTIAN (CN)
PI YUQIANG (CN)
XIAO ZHIMING (CN)
PENG LIANGQIANG (CN)
DONG ENYUAN (CN)
TANG ZHUO (CN)
WANG YONGXING (CN)
WANG GONGRUN (CN)
SUN XIAOZHI (CN)
ZHANG LIFAN (CN)
XUE SHUTIAN (CN)
PI YUQIANG (CN)
XIAO ZHIMING (CN)
PENG LIANGQIANG (CN)
Application Number:
PCT/CN2021/135380
Publication Date:
June 09, 2022
Filing Date:
December 03, 2021
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01H50/16; H01H50/42; H01H51/01
Foreign References:
| CN109727821A | 2019-05-07 | |||
| CN203536306U | 2014-04-09 | |||
| CN105470065A | 2016-04-06 | |||
| CN103489718A | 2014-01-01 | |||
| US4490701A | 1984-12-25 | |||
| CN202011396222A | 2020-12-03 |
Other References:
See also references of EP 4250328A4
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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