DE3852088D1 - Elektrische Sicherheitsbarrieren. - Google Patents

Elektrische Sicherheitsbarrieren.

Info

Publication number
DE3852088D1
DE3852088D1 DE3852088T DE3852088T DE3852088D1 DE 3852088 D1 DE3852088 D1 DE 3852088D1 DE 3852088 T DE3852088 T DE 3852088T DE 3852088 T DE3852088 T DE 3852088T DE 3852088 D1 DE3852088 D1 DE 3852088D1
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
DE3852088T
Other languages
English (en)
Other versions
DE3852088T2 (de
Inventor
Ian Carrodus Hutcheon
Robert William Squires
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10624430&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3852088(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Measurement Technology Ltd filed Critical Measurement Technology Ltd
Publication of DE3852088D1 publication Critical patent/DE3852088D1/de
Application granted granted Critical
Publication of DE3852088T2 publication Critical patent/DE3852088T2/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
DE19883852088 1987-09-26 1988-09-20 Elektrische Sicherheitsbarrieren. Expired - Fee Related DE3852088T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722680A GB8722680D0 (en) 1987-09-26 1987-09-26 Electrical safety barriers

Publications (2)

Publication Number Publication Date
DE3852088D1 true DE3852088D1 (de) 1994-12-15
DE3852088T2 DE3852088T2 (de) 1995-03-23

Family

ID=10624430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883852088 Expired - Fee Related DE3852088T2 (de) 1987-09-26 1988-09-20 Elektrische Sicherheitsbarrieren.

Country Status (4)

Country Link
EP (1) EP0310280B1 (de)
JP (1) JPH01152919A (de)
DE (1) DE3852088T2 (de)
GB (2) GB8722680D0 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144517A (en) * 1989-10-20 1992-09-01 Pepperl + Fuchs, Inc. Intrinsically safe barrier device
DE20005927U1 (de) * 1999-03-31 2000-10-19 Pepperl & Fuchs Sicherheitsbarriere zum Begrenzen von Strom und Spannung
DE10047114C1 (de) * 2000-09-22 2002-05-23 Pepperl & Fuchs Schutzschaltung
US7245511B2 (en) * 2004-08-25 2007-07-17 Itron, Inc. Resistor dropper power supply with surge protection
KR100823512B1 (ko) * 2006-09-11 2008-04-21 삼성에스디아이 주식회사 플라즈마 표시 장치 및 그 전압 발생기
EP2605355B1 (de) * 2011-12-15 2016-08-03 Siemens Aktiengesellschaft Eigensicherer Energiebegrenzungsstromkreis
CN103259248B (zh) * 2013-04-18 2016-03-30 北京中科思鹏科技有限公司 一种安全栅
US9755416B2 (en) 2015-02-19 2017-09-05 Msa Technology, Llc Intrinsic safety barrier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3631264A (en) * 1970-02-11 1971-12-28 Sybron Corp Intrinsically safe electrical barrier system and improvements therein
DE2019937B2 (de) * 1970-04-24 1972-12-14 Hartmann & Braun Ag, 6000 Frankfurt Einrichtung zum schutz von in explosionsgefaehrdeten raeumen befindlichen verbrauchern und/oder messwertgebern
US3818273A (en) * 1971-03-26 1974-06-18 Yokogawa Electric Works Ltd Barrier isolator device employing an overload protection circuit
DE2213243B2 (de) * 1972-03-18 1978-03-09 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zur Spannungsbegrenzung
DE2600456A1 (de) * 1976-01-08 1977-07-14 Maihak Ag Verfahren und schaltung fuer einen explosions- und/oder schlagwettergeschuetzten antrieb mit eigensicherer stromversorgung
US4099216A (en) * 1976-11-12 1978-07-04 Westinghouse Electric Corp. Fuseless intrinsic safety barrier
CA1291207C (en) * 1984-10-24 1991-10-22 Om Ahuja Auto-reset circuit breaker

Also Published As

Publication number Publication date
GB8822083D0 (en) 1988-10-19
EP0310280A2 (de) 1989-04-05
GB8722680D0 (en) 1987-11-04
EP0310280A3 (de) 1991-01-16
GB2210521B (en) 1992-04-29
GB2210521A (en) 1989-06-07
DE3852088T2 (de) 1995-03-23
JPH01152919A (ja) 1989-06-15
EP0310280B1 (de) 1994-11-09

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee