Patent SG-11201805278Y-A (SG)
Title: Activatable thermal fuse
Inventor: SIGNER GUIDO
IPC: H01H37/76
Filed: 2016-05-27
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 20 July 2017 (20.07.2017) WIPOIPCT (10) International Publication Number WO 2017/121498 A1 (51) International Patent Classification: H01H37/70 (2006.01) H01H37/04 (2006.01) H01H 85/36 (2006.01) H01H 85/10 (2006.01) H01H37/76 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/EP2016/06203 8 27 May 2016 (27.05.2016) English English (30) Priority Data: PCT/EP2016/050596 14 January 2016 (14.01.2016) EP (71) Applicant: SCHURTER AG [CH/CH]; Werkhofstr. 8-12, 6002 Luzern (CH). (72) Inventors: SIGNER, Guido; Krauerhusstrasse 10b, 6206 Neuenkirch (CH). STRAUB, Peter; Stolzengrabenstrasse 59, 6317 Oberwil/Zug (CH). SCHIBLI, Benjamin; Erfinderstrasse 9, 4600 Olten (CH). (74) Agent: TSWPAT LUZERN AG; Werner, Andre, Postfach 3128, 6002 Luzern 2 (CH). (81) Designated States (unless otherwise indicated, for every kind of national protection available)'. AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available)'. ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, [Continued on next page] (54) Title: ACTIVATABLE THERMAL FUSE Fig. 1.a) T < T, Fig.lb) 00 0\ •t i-H CJ T > TL T < T (57) : Activatable thermal fuse (10) comprising - a first (1) and a second (2) electrical terminal, - an electrically conductive bridge element (3) being in a first elec - trie contact with said first terminal and being in a second electric contact with said second terminal, - at least a part (4) of said bridge element being displaceable from a first position in which said first contact is established to a second position in which said first contact is opened, - a thermally sensitive member (5) holding said part in said first position and releasing said part as soon as said thermally sensitive member is exposed to a predetermined temperature value, - a biasing member (6) biasing said part towards said second position, and - a mechanically displaceable activating element (7) blocking displaceability of said part in said first position in a first position of said activating ele­ ment and enabling said displaceability of said part in a second position of said activat - ing element. The invention is further directed to a method of manufacturing a printed circuit board with an activatable thermal fuse, a method of monitoring an activatable thermal fuse and to an electronical circuit comprising an activatable thermal fuse. T > TL O CJ o & WO 2017/121498 A11 lllll llllllll II llllll III lllll III llll III III lllll lllll lllll lllll lllll llll lllllll llll llll llll TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3))