GB1470270A - Redundant intrinsically safe electrical barrier - Google Patents

Redundant intrinsically safe electrical barrier

Info

Publication number
GB1470270A
GB1470270A GB67775A GB67775A GB1470270A GB 1470270 A GB1470270 A GB 1470270A GB 67775 A GB67775 A GB 67775A GB 67775 A GB67775 A GB 67775A GB 1470270 A GB1470270 A GB 1470270A
Authority
GB
United Kingdom
Prior art keywords
line
redundant
lines
intrinsically safe
voltages
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
GB67775A
Other languages
English (en)
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.)
Baker Petrolite LLC
Original Assignee
Petrolite Corp
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 Petrolite Corp filed Critical Petrolite Corp
Publication of GB1470270A publication Critical patent/GB1470270A/en
Expired 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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
GB67775A 1974-03-27 1975-01-07 Redundant intrinsically safe electrical barrier Expired GB1470270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45517374A 1974-03-27 1974-03-27

Publications (1)

Publication Number Publication Date
GB1470270A true GB1470270A (en) 1977-04-14

Family

ID=23807688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB67775A Expired GB1470270A (en) 1974-03-27 1975-01-07 Redundant intrinsically safe electrical barrier

Country Status (8)

Country Link
JP (1) JPS50128156A (enrdf_load_stackoverflow)
BE (1) BE824798A (enrdf_load_stackoverflow)
CA (1) CA1029797A (enrdf_load_stackoverflow)
DE (1) DE2503226A1 (enrdf_load_stackoverflow)
FR (1) FR2266346B1 (enrdf_load_stackoverflow)
GB (1) GB1470270A (enrdf_load_stackoverflow)
IT (1) IT1029395B (enrdf_load_stackoverflow)
NL (1) NL174512C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1697859A4 (en) * 2003-12-01 2009-07-08 Advanced Tech Materials INTRINSIC ELECTRICAL SAFETY INFORMATION STORAGE MANUFACTURING SYSTEM
WO2015051198A1 (en) * 2013-10-03 2015-04-09 Fisher Controls International Llc Intrinsically safe voltage limiting shunt regulator circuit

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724176B2 (de) * 1977-05-27 1979-06-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gleichstromversorgungssystem
SE414357B (sv) * 1978-08-17 1980-07-21 Asea Ab Overspenningsskydd for skydd av halvledarkomponenter av lageffekttyp
JPS57175543U (enrdf_load_stackoverflow) * 1981-04-28 1982-11-06
DE3541974A1 (de) * 1985-11-28 1987-06-04 Danfoss As Schutzschaltung fuer die induktionsspule eines magnetisch-induktiven durchflussmessers
DE4444345A1 (de) 1994-12-14 1996-06-27 Stahl R Schaltgeraete Gmbh Sicherheitsbarriere für hohe Datenraten
CN114089230A (zh) * 2021-10-27 2022-02-25 许继电源有限公司 用于电感故障实验的隔爆工装

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1697859A4 (en) * 2003-12-01 2009-07-08 Advanced Tech Materials INTRINSIC ELECTRICAL SAFETY INFORMATION STORAGE MANUFACTURING SYSTEM
EP2431886A1 (en) * 2003-12-01 2012-03-21 Advanced Technology Materials, Inc. Manufacturing system with intrinsically safe electric information storage
CN101014949B (zh) * 2003-12-01 2012-07-04 先科材料有限公司 具有本质安全的电信息存储的制造系统
KR101186055B1 (ko) 2003-12-01 2012-09-25 어드밴스드 테크놀러지 머티리얼즈, 인코포레이티드 본질적으로 안전한 전기적 정보 저장부를 가진 제조 시스템
WO2015051198A1 (en) * 2013-10-03 2015-04-09 Fisher Controls International Llc Intrinsically safe voltage limiting shunt regulator circuit
CN104518505A (zh) * 2013-10-03 2015-04-15 费希尔控制国际公司 本质安全电压限制分路调节器电路
US9343899B2 (en) 2013-10-03 2016-05-17 Fisher Controls International Llc Intrinsically safe voltage limiting shunt regulator circuit
US9768694B2 (en) 2013-10-03 2017-09-19 Fisher Controls International Llc Intrinsically safe voltage limiting shunt regulator circuit

Also Published As

Publication number Publication date
IT1029395B (it) 1979-03-10
FR2266346B1 (enrdf_load_stackoverflow) 1981-08-21
DE2503226A1 (de) 1975-10-02
BE824798A (fr) 1975-07-28
NL7502963A (nl) 1975-09-30
JPS50128156A (enrdf_load_stackoverflow) 1975-10-08
CA1029797A (en) 1978-04-18
NL174512B (nl) 1984-01-16
NL174512C (nl) 1984-06-18
FR2266346A1 (enrdf_load_stackoverflow) 1975-10-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee