Title:
HIGH-BREAKING MINIATURE FUSE AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2020/134174
Kind Code:
A1
Abstract:
Disclosed is a high-breaking miniature fuse, comprising an outer ceramic tube (1), end caps (5) located at two ends of the outer ceramic tube, and a fuse wire (4) accommodated in the outer ceramic tube (1) and respectively connected to the end caps (5) at the two ends thereof, wherein an inner ceramic tube (3) is further arranged in the outer ceramic tube (1), the inner ceramic tube (3) surrounds the fuse wire (4), and the inner ceramic tube (3) can limit an arc channel in the breaking process of the fuse wire (4), thereby improving an arc voltage, reducing the arcing time and arcing energy, and preventing phenomena such as ceramic tube cracking and secondary arcing from occurring during the breaking process.
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| JPH01134831 | FUSE WITH FERRITE CORE |
Inventors:
NAN SHIRONG (CN)
YANG MANXUE (CN)
HU ZHIMING (CN)
YANG MANXUE (CN)
HU ZHIMING (CN)
Application Number:
PCT/CN2019/104294
Publication Date:
July 02, 2020
Filing Date:
September 04, 2019
Export Citation:
Assignee:
NANJING SART SCIENCE & TECH DEVELOPMENT CO LTD (CN)
International Classes:
H01H85/05; H01H69/02; H01H85/18
Foreign References:
| CN109616392A | 2019-04-12 | |||
| CN209328835U | 2019-08-30 | |||
| CN205282433U | 2016-06-01 | |||
| GB692627A | 1953-06-10 | |||
| US3972015A | 1976-07-27 | |||
| CN103268847A | 2013-08-28 |
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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