EP0321771A3 - Miniature fuse - Google Patents

Miniature fuse Download PDF

Info

Publication number: EP0321771A3
Authority: EP; European Patent Office
Prior art keywords: miniature fuse; miniature; fuse
Prior art date: 1987-12-16
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.): Granted

Application number

EP88120289A

Other languages

German (de)

Other versions

EP0321771A2 (en

EP0321771B1 (en

Inventor

Norbert Dipl.-Ing. Asdollahi

Karl Dr.-Ing. Poerschke

Klaus Dipl.-Ing. Stark

Claus Dipl.-Ing. Friedrich

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.)

Wickmann Werke GmbH

Original Assignee

Wickmann Werke GmbH

Priority date (The priority date 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 date listed.)

1987-12-16

Filing date

1988-12-05

Publication date

1989-12-06

1987-12-16 Priority claimed from DE19873742532 external-priority patent/DE3742532A1/en

1988-09-26 Priority claimed from DE8812144U external-priority patent/DE8812144U1/en

1988-12-05 Application filed by Wickmann Werke GmbH filed Critical Wickmann Werke GmbH

1989-06-28 Publication of EP0321771A2 publication Critical patent/EP0321771A2/en

1989-12-06 Publication of EP0321771A3 publication Critical patent/EP0321771A3/en

1992-06-10 Application granted granted Critical

1992-06-10 Publication of EP0321771B1 publication Critical patent/EP0321771B1/en

2008-12-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H85/0415—Miniature fuses cartridge type
- H01H85/0417—Miniature fuses cartridge type with parallel side contacts
- 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
- H01H85/38—Means for extinguishing or suppressing arc
- 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
- H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
- H01H85/0021—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices
- H01H2085/0034—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices with molded casings
- 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
- H01H85/38—Means for extinguishing or suppressing arc
- H01H2085/388—Means for extinguishing or suppressing arc using special materials
- 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
- H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
- H01H85/0021—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices
- H01H85/003—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices casings for the fusible element

EP88120289A 1987-12-16 1988-12-05 Miniature fuse Expired - Lifetime EP0321771B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE3742532		1987-12-16
DE19873742532 DE3742532A1 (en)	1987-12-16	1987-12-16	Miniature fuse
DE8812144U DE8812144U1 (en)	1988-09-26	1988-09-26	Subminiature fuse
DE8812144U		1988-09-26

Publications (3)

Publication Number	Publication Date
EP0321771A2 EP0321771A2 (en)	1989-06-28
EP0321771A3 true EP0321771A3 (en)	1989-12-06
EP0321771B1 EP0321771B1 (en)	1992-06-10

Family

ID=25862821

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88120289A Expired - Lifetime EP0321771B1 (en)	1987-12-16	1988-12-05	Miniature fuse

Country Status (4)

Country	Link
US (1)	US4899123A (en)
EP (1)	EP0321771B1 (en)
JP (1)	JPH025328A (en)
DE (1)	DE3871925D1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE9007239U1 (en) *	1990-06-30	1991-10-31	Wickmann-Werke GmbH, 5810 Witten	Electrical fuse
JP4155825B2 (en) *	2001-03-02	2008-09-24	ビックマン−ベルケゲーエムベーハー	Manufacturing method of fuse element
CN101138062B (en) *	2004-09-15	2010-08-11	力特保险丝有限公司	High voltage/high current fuse
JP2009540522A (en) *	2006-06-16	2009-11-19	スマートエレクトロニクスインク	Surface mount type small fuse and manufacturing method thereof
US20080143471A1 (en) *	2006-12-15	2008-06-19	Chun-Chang Yen	Fuse assembly
DE102008025917A1 (en) *	2007-06-04	2009-01-08	Littelfuse, Inc., Des Plaines	High voltage fuse
US20090108980A1 (en) *	2007-10-09	2009-04-30	Littelfuse, Inc.	Fuse providing overcurrent and thermal protection
US8179224B2 (en) *	2008-04-17	2012-05-15	Chun-Chang Yen	Overcurrent protection structure and method and apparatus for making the same
US8576041B2 (en) *	2008-12-17	2013-11-05	Cooper Technologies Company	Radial fuse base and assembly
KR101038401B1 (en) *	2009-04-21	2011-06-03	스마트전자 주식회사	A small fuse and the manufacturing method of it
US9117615B2 (en) *	2010-05-17	2015-08-25	Littlefuse, Inc.	Double wound fusible element and associated fuse
US20130293341A1 (en)	2010-08-23	2013-11-07	Brusa Elektronik Ag	Electrical fuse
US20130342305A1 (en) *	2012-06-25	2013-12-26	Jui-Chih Yen	Structure of positioning cover of miniature fuse device
JP6510827B2 (en) *	2015-02-05	2019-05-08	内橋エステック株式会社	Protection element
WO2016145642A1 (en) *	2015-03-19	2016-09-22	Cooper Technologies Company	High interrupting current subminiature fuse and method of manufacture
US11063320B2 (en) *	2019-01-08	2021-07-13	Lg Chem, Ltd.	Terminal busbar

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE724865C (en) *	1941-02-22	1942-09-08	Aeg	Fuse with a ceramic insulating body in particular and a special lining for the melting channel
DE1413956B2 (en) *	1960-12-14	1975-01-09	Littelfuse Inc., Des Plaines, Ill. (V.St.A.)
DE3033529A1 (en) *	1979-09-08	1981-04-02	San-O Industrial Co., Ltd., Tokyo	MINIATURE MELTFUSE
DE3035666A1 (en) *	1979-01-15	1982-05-06	San O Ind Co	Double tubular time lag fuse - has inner tube made of high thermal conductivity, low shock resistance material and outer tube with complementary characteristics
DE3118943A1 (en) *	1981-05-13	1982-12-02	Wickmann-Werke GmbH, 5810 Witten	LOW-SAFETY
DE8703456U1 (en) *	1986-07-19	1987-04-30	Wickmann-Werke GmbH, 5810 Witten	Electrical fuse

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61206128A (en) *	1985-03-11	1986-09-12	松下電器産業株式会社	Temperature fuse sensor for high temperature

1988
- 1988-12-05 EP EP88120289A patent/EP0321771B1/en not_active Expired - Lifetime
- 1988-12-05 DE DE8888120289T patent/DE3871925D1/en not_active Expired - Fee Related
- 1988-12-13 JP JP63314828A patent/JPH025328A/en active Pending
- 1988-12-15 US US07/284,498 patent/US4899123A/en not_active Expired - Fee Related

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE724865C (en) *	1941-02-22	1942-09-08	Aeg	Fuse with a ceramic insulating body in particular and a special lining for the melting channel
DE1413956B2 (en) *	1960-12-14	1975-01-09	Littelfuse Inc., Des Plaines, Ill. (V.St.A.)
DE3035666A1 (en) *	1979-01-15	1982-05-06	San O Ind Co	Double tubular time lag fuse - has inner tube made of high thermal conductivity, low shock resistance material and outer tube with complementary characteristics
DE3033529A1 (en) *	1979-09-08	1981-04-02	San-O Industrial Co., Ltd., Tokyo	MINIATURE MELTFUSE
DE3118943A1 (en) *	1981-05-13	1982-12-02	Wickmann-Werke GmbH, 5810 Witten	LOW-SAFETY
DE8703456U1 (en) *	1986-07-19	1987-04-30	Wickmann-Werke GmbH, 5810 Witten	Electrical fuse

Also Published As

Publication number	Publication date
EP0321771A2 (en)	1989-06-28
JPH025328A (en)	1990-01-10
US4899123A (en)	1990-02-06
DE3871925D1 (en)	1992-07-16
EP0321771B1 (en)	1992-06-10

Legal Events

Date	Code	Title	Description
1989-05-13	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-06-28	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB LI
1989-10-18	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-12-06	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB LI
1990-03-14	17P	Request for examination filed	Effective date: 19900112
1992-01-08	17Q	First examination report despatched	Effective date: 19911122
1992-04-24	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-06-10	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB LI
1992-07-08	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-07-16	REF	Corresponds to:	Ref document number: 3871925 Country of ref document: DE Date of ref document: 19920716
1992-08-28	ET	Fr: translation filed
1992-11-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19921130 Year of fee payment: 5
1992-12-01	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19921201 Year of fee payment: 5
1992-12-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19921221 Year of fee payment: 5
1992-12-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19921223 Year of fee payment: 5
1993-04-09	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-04-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-06-02	26N	No opposition filed
1993-12-05	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19931205
1993-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19931231 Ref country code: CH Effective date: 19931231
1994-08-03	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19931205
1994-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19940831
1994-08-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1994-09-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19940901
1994-10-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

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