DE3853509T2 - Elektrische Sicherheitsbarrieren. - Google Patents

Elektrische Sicherheitsbarrieren.

Info

Publication number
DE3853509T2
DE3853509T2 DE3853509T DE3853509T DE3853509T2 DE 3853509 T2 DE3853509 T2 DE 3853509T2 DE 3853509 T DE3853509 T DE 3853509T DE 3853509 T DE3853509 T DE 3853509T DE 3853509 T2 DE3853509 T2 DE 3853509T2
Authority
DE
Germany
Prior art keywords
electrical safety
safety barriers
barriers
electrical
safety
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 - Fee Related
Application number
DE3853509T
Other languages
English (en)
Other versions
DE3853509D1 (de
Inventor
Ian Carrodus Hutcheon
David John Epton
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.)
Measurement Technology Ltd
Original Assignee
Measurement Technology Ltd
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.)
Filing date
Publication date
Application filed by Measurement Technology Ltd filed Critical Measurement Technology Ltd
Application granted granted Critical
Publication of DE3853509D1 publication Critical patent/DE3853509D1/de
Publication of DE3853509T2 publication Critical patent/DE3853509T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
DE3853509T 1987-09-26 1988-09-20 Elektrische Sicherheitsbarrieren. Expired - Fee Related DE3853509T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722679A GB8722679D0 (en) 1987-09-26 1987-09-26 Electrical safety barriers

Publications (2)

Publication Number Publication Date
DE3853509D1 DE3853509D1 (de) 1995-05-11
DE3853509T2 true DE3853509T2 (de) 1995-08-17

Family

ID=10624429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3853509T Expired - Fee Related DE3853509T2 (de) 1987-09-26 1988-09-20 Elektrische Sicherheitsbarrieren.

Country Status (5)

Country Link
US (1) US4860151A (de)
EP (2) EP0310281B1 (de)
JP (1) JPH01157225A (de)
DE (1) DE3853509T2 (de)
GB (2) GB8722679D0 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979067A (en) * 1989-06-20 1990-12-18 Illinois Tool Works, Inc. Voltage and current limiting power supply
US5144517A (en) * 1989-10-20 1992-09-01 Pepperl + Fuchs, Inc. Intrinsically safe barrier device
DE19824154C2 (de) * 1998-05-29 2003-07-17 Siemens Ag Schaltungsanordnung zum Schutz einer integrierten Schaltung
DE19853743C2 (de) * 1998-11-21 2000-10-12 Micronas Intermetall Gmbh Halbleiter-Bauelement mit wenigstens einer Zenerdiode und wenigstens einer dazu parallel geschalteten Schottky-Diode sowie Verfahren zum Herstellen der Halbleiter-Bauelemente
JP2002218742A (ja) * 2001-01-15 2002-08-02 Nippon Inter Electronics Corp ショットキーバリアダイオードの直列接続回路及びそれに使用するショットキーバリアダイオード。
DE10356985A1 (de) * 2003-12-05 2005-07-07 Cooper Crouse-Hinds Gmbh Datenübertragungseinrichtung
WO2008067686A1 (fr) * 2006-12-04 2008-06-12 Zte Corporation Circuit de protection pour interface de source d'alimentation cc à carte unique
US7808362B2 (en) * 2007-08-13 2010-10-05 Littlefuse, Inc. Moderately hazardous environment fuse
US8674803B2 (en) * 2007-08-13 2014-03-18 Littelfuse, Inc. Moderately hazardous environment fuse
US9755416B2 (en) * 2015-02-19 2017-09-05 Msa Technology, Llc Intrinsic safety barrier
CN107706897A (zh) * 2017-10-18 2018-02-16 北京无线电测量研究所 一种多电压域的输入缓冲器
US10749426B1 (en) 2019-04-11 2020-08-18 Graco Minnesota Inc. Trapezoidal power-supply barrier between hazardous and normal locations
US20220081988A1 (en) * 2020-09-15 2022-03-17 Tally Instruments, LLC Safety barrier condulet for wellhead installation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309542A (en) * 1963-10-31 1967-03-14 Cutler Hammer Inc Intrinsically safe switching systems
US3445679A (en) * 1966-12-15 1969-05-20 Square D Co Intrinsically safe electrical control system
DE1816553B2 (de) * 1968-12-23 1971-09-30 Hartmann & Braun Ag, 6000 Frankfurt Einrichtung zum schutze von in explosionsgefaehrdeten raeumen befindlichen verbrauchern und oder messwertgebern
JPS5245127B1 (de) * 1969-02-28 1977-11-14
BE788539A (fr) * 1971-09-10 1973-03-08 Westinghouse Electric Corp Systeme electrique a barriere d'energie
DE2263541A1 (de) * 1972-12-27 1974-07-04 Bbc Brown Boveri & Cie Schaltungsanordnung zur spannungsbegrenzung in eigensicheren stromkreisen
US3813578A (en) * 1973-01-03 1974-05-28 Fisher Controls Co Electrical safety barrier
US4099216A (en) * 1976-11-12 1978-07-04 Westinghouse Electric Corp. Fuseless intrinsic safety barrier
GB2094572B (en) * 1981-03-07 1985-02-13 Southall Geoffrey Richard Supply of power to intrinsically safe devices in hazardous areas
US4412265A (en) * 1981-11-27 1983-10-25 Tokheim Corporation Intrinsic barrier
US4651020A (en) * 1985-09-10 1987-03-17 Westinghouse Electric Corp. Redundant power supply system

Also Published As

Publication number Publication date
GB8822084D0 (en) 1988-10-19
EP0310281B1 (de) 1995-04-05
GB2210522A (en) 1989-06-07
EP0310281A3 (en) 1990-12-19
EP0629030A1 (de) 1994-12-14
EP0310281A2 (de) 1989-04-05
DE3853509D1 (de) 1995-05-11
JPH01157225A (ja) 1989-06-20
US4860151A (en) 1989-08-22
GB2210522B (en) 1992-04-29
GB8722679D0 (en) 1987-11-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee