GB2255819B - Explosion proof light source for use in hazardous atmospheres - Google Patents

Explosion proof light source for use in hazardous atmospheres

Info

Publication number
GB2255819B
GB2255819B GB9101902A GB9101902A GB2255819B GB 2255819 B GB2255819 B GB 2255819B GB 9101902 A GB9101902 A GB 9101902A GB 9101902 A GB9101902 A GB 9101902A GB 2255819 B GB2255819 B GB 2255819B
Authority
GB
United Kingdom
Prior art keywords
light source
explosion proof
proof light
hazardous atmospheres
atmospheres
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
GB9101902A
Other versions
GB2255819A (en
GB9101902D0 (en
Inventor
Charles Bernard Benson
Alan John Copeland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9101902A priority Critical patent/GB2255819B/en
Publication of GB9101902D0 publication Critical patent/GB9101902D0/en
Priority to PCT/GB1992/000166 priority patent/WO1992013433A1/en
Priority to EP92903060A priority patent/EP0598724A1/en
Priority to AU11757/92A priority patent/AU1175792A/en
Publication of GB2255819A publication Critical patent/GB2255819A/en
Application granted granted Critical
Publication of GB2255819B publication Critical patent/GB2255819B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
GB9101902A 1991-01-29 1991-01-29 Explosion proof light source for use in hazardous atmospheres Expired - Fee Related GB2255819B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9101902A GB2255819B (en) 1991-01-29 1991-01-29 Explosion proof light source for use in hazardous atmospheres
PCT/GB1992/000166 WO1992013433A1 (en) 1991-01-29 1992-01-29 Light source for use in hazardous atmospheres
EP92903060A EP0598724A1 (en) 1991-01-29 1992-01-29 Light source for use in hazardous atmospheres
AU11757/92A AU1175792A (en) 1991-01-29 1992-01-29 Light source for use in hazardous atmospheres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9101902A GB2255819B (en) 1991-01-29 1991-01-29 Explosion proof light source for use in hazardous atmospheres

Publications (3)

Publication Number Publication Date
GB9101902D0 GB9101902D0 (en) 1991-03-13
GB2255819A GB2255819A (en) 1992-11-18
GB2255819B true GB2255819B (en) 1995-03-01

Family

ID=10689168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9101902A Expired - Fee Related GB2255819B (en) 1991-01-29 1991-01-29 Explosion proof light source for use in hazardous atmospheres

Country Status (4)

Country Link
EP (1) EP0598724A1 (en)
AU (1) AU1175792A (en)
GB (1) GB2255819B (en)
WO (1) WO1992013433A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1009187C2 (en) 1998-05-18 1999-11-19 Ind Manufacturing And Trading Explosion-proof luminaire of high safety class.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU561837A1 (en) * 1975-12-08 1977-06-15 Головное Предприятие Производствен Ного Объединения "Ватра" Explosion proof lamp
GB2068524A (en) * 1980-01-29 1981-08-12 Oilfield Inspection Services Inspection lamp with forced air cooling system
DE3017648C2 (en) * 1980-05-08 1982-10-21 Elektro-Industrie-Montage Stein & Vendel GmbH & Co, 4650 Gelsenkirchen Explosive image projector protected against firedamp
US4658338A (en) * 1985-07-03 1987-04-14 Quartzcolor Ianiro S.P.A. Lighting projectors with an intensified and accelerated air flow cooling system for photographic and motion picture studios

Also Published As

Publication number Publication date
GB2255819A (en) 1992-11-18
WO1992013433A1 (en) 1992-08-06
GB9101902D0 (en) 1991-03-13
AU1175792A (en) 1992-08-27
EP0598724A1 (en) 1994-06-01

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Legal Events

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

Effective date: 20010129