GB2139830B - Power supply for use in inflammable atmospheres - Google Patents

Power supply for use in inflammable atmospheres

Info

Publication number
GB2139830B
GB2139830B GB08410465A GB8410465A GB2139830B GB 2139830 B GB2139830 B GB 2139830B GB 08410465 A GB08410465 A GB 08410465A GB 8410465 A GB8410465 A GB 8410465A GB 2139830 B GB2139830 B GB 2139830B
Authority
GB
United Kingdom
Prior art keywords
power supply
inflammable
atmospheres
inflammable atmospheres
supply
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
GB08410465A
Other versions
GB2139830A (en
GB8410465D0 (en
Inventor
Philip Oates
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.)
Eaton MEDC Ltd
Original Assignee
Manufacturing Electrical Design Consultants 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
Priority claimed from GB838311298A external-priority patent/GB8311298D0/en
Application filed by Manufacturing Electrical Design Consultants Ltd filed Critical Manufacturing Electrical Design Consultants Ltd
Priority to GB08410465A priority Critical patent/GB2139830B/en
Publication of GB8410465D0 publication Critical patent/GB8410465D0/en
Publication of GB2139830A publication Critical patent/GB2139830A/en
Application granted granted Critical
Publication of GB2139830B publication Critical patent/GB2139830B/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
GB08410465A 1983-04-26 1984-04-24 Power supply for use in inflammable atmospheres Expired GB2139830B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08410465A GB2139830B (en) 1983-04-26 1984-04-24 Power supply for use in inflammable atmospheres

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838311298A GB8311298D0 (en) 1983-04-26 1983-04-26 Power supply apparatus
GB08410465A GB2139830B (en) 1983-04-26 1984-04-24 Power supply for use in inflammable atmospheres

Publications (3)

Publication Number Publication Date
GB8410465D0 GB8410465D0 (en) 1984-05-31
GB2139830A GB2139830A (en) 1984-11-14
GB2139830B true GB2139830B (en) 1987-01-07

Family

ID=26285946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410465A Expired GB2139830B (en) 1983-04-26 1984-04-24 Power supply for use in inflammable atmospheres

Country Status (1)

Country Link
GB (1) GB2139830B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906621C2 (en) * 1989-03-02 1995-05-04 Hemscheidt Maschf Hermann Intrinsically safe power supply unit
GB2238191A (en) * 1989-10-19 1991-05-22 Drexelbrook Controls Intrinsically safe system
US6925419B2 (en) * 2003-05-16 2005-08-02 Fisher-Rosemount Systems, Inc. Intrinsically safe field maintenance tool with removable battery pack
CA2637954C (en) * 2006-01-24 2013-03-26 Fisher Controls International Llc Flameproof apparatus using non-grounded energy-limiting barrier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329417A (en) * 1971-06-24 1973-09-05 Winster Products Ltd Power supply arrangements in electrical installations
GB1441808A (en) * 1973-07-31 1976-07-07 Coal Industry Patents Ltd Intrinsically safe power supply apparatus
DE2724176B2 (en) * 1977-05-27 1979-06-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen DC power system
DE2740160A1 (en) * 1977-09-02 1979-03-08 Auergesellschaft Gmbh POWER SUPPLY FOR MEASURING DEVICES
GB2094572B (en) * 1981-03-07 1985-02-13 Southall Geoffrey Richard Supply of power to intrinsically safe devices in hazardous areas
DE3117642C2 (en) * 1981-05-05 1985-11-21 Bergwerksverband Gmbh, 4300 Essen Coupling device

Also Published As

Publication number Publication date
GB2139830A (en) 1984-11-14
GB8410465D0 (en) 1984-05-31

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Legal Events

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

Effective date: 19950424