GB813643A - Improvements in or relating to elements for high rupturing capacity electrical fuses - Google Patents

Improvements in or relating to elements for high rupturing capacity electrical fuses

Info

Publication number
GB813643A
GB813643A GB1390756A GB1390756A GB813643A GB 813643 A GB813643 A GB 813643A GB 1390756 A GB1390756 A GB 1390756A GB 1390756 A GB1390756 A GB 1390756A GB 813643 A GB813643 A GB 813643A
Authority
GB
United Kingdom
Prior art keywords
strip
slots
ties
bent
sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1390756A
Inventor
William James Elliott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB813643A publication Critical patent/GB813643A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/055—Fusible members
    • H01H85/08—Fusible members characterised by the shape or form of the fusible member
    • H01H85/10—Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing

Landscapes

  • Fuses (AREA)

Abstract

813,643. Fusible cut-outs. GENERAL ELECTRIC CO. Ltd. May 6, 1957 [May 4. 1956], No. 13907/56. Class 38 (1). An element for an H.R.C. fuse has a plurality of parallel sections joined at intervals by ties at which the element is adapted to fuse on shortcircuit, the said sections and ties being formed from a single strip. Fig. 1 shows one construction wherein the strip 3 is formed with groups of parallel longitudinal slots 7 separated by portions 9 which form the ties. These portions have small holes 10 therein to give a currentlimiting action on short-circuit and the strip is wound into a helix before securing in the cartridge 1. In another embodiment, Fig. 3, the material from the slots is not completely punched out but is cut on three sides and bent at right angles to the strip to form projections 12 which stiffen the coiled strip. Figs. 5 and 7 show a further construction wherein transverse slots 15 are formed in the strip, the material from the slots being again bent at right angles to the strip, and every fourth or other suitable slot is extended to the edge of the strip, adjacent slots 16 so formed being arranged to extend to opposite edges of the strip. A zig-zag path for the current consisting of parallel paths 18 joined by tie sections 17 is thus formed. Prior to assembly in the cartridge 1 adjacent groups of parallel paths 18 may be bent at 60 degrees to each other to form a triangular helix.
GB1390756A 1956-05-04 Improvements in or relating to elements for high rupturing capacity electrical fuses Expired GB813643A (en)

Publications (1)

Publication Number Publication Date
GB813643A true GB813643A (en) 1959-05-21

Family

ID=1730308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1390756A Expired GB813643A (en) 1956-05-04 Improvements in or relating to elements for high rupturing capacity electrical fuses

Country Status (1)

Country Link
GB (1) GB813643A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253103A (en) * 1962-12-26 1966-05-24 Mc Graw Edison Co Protectors for electric circuits
US4158188A (en) * 1977-08-19 1979-06-12 Canadian General Electric Company Limited Fuse with free standing helical fuse element and method of making the same
GB2297003A (en) * 1995-01-14 1996-07-17 Cooper Ind Inc Fuse assemblies
EP2701176A1 (en) * 2012-08-24 2014-02-26 Siemens Aktiengesellschaft Fuse element
CN104995712A (en) * 2013-02-05 2015-10-21 太平洋精工株式会社 Fuse element
GB2525156A (en) * 2014-02-14 2015-10-21 Dubai Aluminium Pjsc Start-up fuse for aluminium reduction electrolysis cell
EP4184546A1 (en) * 2021-11-23 2023-05-24 Littelfuse, Inc. Protection device including multi-plane fusible element

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253103A (en) * 1962-12-26 1966-05-24 Mc Graw Edison Co Protectors for electric circuits
US4158188A (en) * 1977-08-19 1979-06-12 Canadian General Electric Company Limited Fuse with free standing helical fuse element and method of making the same
GB2297003A (en) * 1995-01-14 1996-07-17 Cooper Ind Inc Fuse assemblies
NL1002061C2 (en) * 1995-01-14 1998-02-26 Cooper Ind Inc Fuse assemblies.
GB2297003B (en) * 1995-01-14 1999-03-24 Cooper Ind Inc Fuse assemblies
CN1054701C (en) * 1995-01-14 2000-07-19 库珀工业公司 Fuse assemblies
CN104584174A (en) * 2012-08-24 2015-04-29 西门子公司 Fuse element
WO2014029751A3 (en) * 2012-08-24 2014-05-30 Siemens Aktiengesellschaft Fuse element
EP2701176A1 (en) * 2012-08-24 2014-02-26 Siemens Aktiengesellschaft Fuse element
US9893513B2 (en) 2012-08-24 2018-02-13 Siemens Aktiengesellschaft Fuse element
CN104995712A (en) * 2013-02-05 2015-10-21 太平洋精工株式会社 Fuse element
CN104995712B (en) * 2013-02-05 2018-04-03 太平洋精工株式会社 Fuse element
GB2525156A (en) * 2014-02-14 2015-10-21 Dubai Aluminium Pjsc Start-up fuse for aluminium reduction electrolysis cell
GB2525156B (en) * 2014-02-14 2016-10-12 Dubai Aluminium Pjsc Start-up fuse for aluminium reduction electrolysis cell
EP4184546A1 (en) * 2021-11-23 2023-05-24 Littelfuse, Inc. Protection device including multi-plane fusible element
US11875962B2 (en) 2021-11-23 2024-01-16 Littelfuse, Inc. Protection device including multi-plane fusible element

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