GB1385598A - Flame arrestors - Google Patents

Flame arrestors

Info

Publication number
GB1385598A
GB1385598A GB3900473A GB3900473A GB1385598A GB 1385598 A GB1385598 A GB 1385598A GB 3900473 A GB3900473 A GB 3900473A GB 3900473 A GB3900473 A GB 3900473A GB 1385598 A GB1385598 A GB 1385598A
Authority
GB
United Kingdom
Prior art keywords
arrestor
flame
melting point
metal
flame arrestor
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
GB3900473A
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.)
LAUTENCE SCOTT ELECTROMOTORS L
Original Assignee
LAUTENCE SCOTT ELECTROMOTORS L
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 LAUTENCE SCOTT ELECTROMOTORS L filed Critical LAUTENCE SCOTT ELECTROMOTORS L
Priority to GB3900473A priority Critical patent/GB1385598A/en
Publication of GB1385598A publication Critical patent/GB1385598A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

1385598 Flame arrestors LAURENCE SCOTT & ELECTROMOTORS Ltd 17 Aug 1973 39004/73 Heading ASA [Also in Divisions H1 and H2] A flame arrestor for electrical apparatus comprises an exhaust passage for combustion and exhaust products and arranged therein first flame arrestor means for cooling gas and flame and, downstream thereof, second flame arrestor means for inhibiting a flame or spark from reaching the surrounding environment, the second means having a higher pressure drop and lower heat absorption capacity when in use than the first. The Figure shows a flame arrestor assembly which may be attached to a terminal box. Exhaust passage 1 consists of two distinct stages, first stage flame arrestor 3A, 3B, and second stage arrestor 4A, 4B. Arrestor 3A, 3B consists of metal grid plates arranged with their diamond shaped openings successively at right angles and separated by wire spacers, the metal being of high melting point, e.g. mild steel, at inlet side 3A, and low melting point, e.g. aluminium at 3B, to obtain the maximum heat absorption capacity. Arrestor 4A, 4B consists of a porous metal, e.g. a foam or gauze, with inlet 4A having a larger pore size than outlet 4B. The arrestor may alternatively be used in conjunction with a transformer tank filled with liquid or gas, or a cable sealing box filled with solid compound or liquid dielectric.
GB3900473A 1973-08-17 1973-08-17 Flame arrestors Expired GB1385598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3900473A GB1385598A (en) 1973-08-17 1973-08-17 Flame arrestors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3900473A GB1385598A (en) 1973-08-17 1973-08-17 Flame arrestors

Publications (1)

Publication Number Publication Date
GB1385598A true GB1385598A (en) 1975-02-26

Family

ID=10407022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3900473A Expired GB1385598A (en) 1973-08-17 1973-08-17 Flame arrestors

Country Status (1)

Country Link
GB (1) GB1385598A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326028A (en) * 1997-05-27 1998-12-09 Peter George Rampton A transformer housing with a ventilated base arrangement
CN100480657C (en) * 2003-04-01 2009-04-22 恩德莱斯和豪瑟尔两合公司 Pressure sensor with flame arrestor
CN112107819A (en) * 2019-06-19 2020-12-22 中国石油化工股份有限公司 Efficient explosion-resistant flame arrester

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326028A (en) * 1997-05-27 1998-12-09 Peter George Rampton A transformer housing with a ventilated base arrangement
GB2326028B (en) * 1997-05-27 2000-11-01 Peter George Rampton Housing for power transformers
CN100480657C (en) * 2003-04-01 2009-04-22 恩德莱斯和豪瑟尔两合公司 Pressure sensor with flame arrestor
CN112107819A (en) * 2019-06-19 2020-12-22 中国石油化工股份有限公司 Efficient explosion-resistant flame arrester

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Legal Events

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