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Title:
ENCLOSURE FOR AN ELECTRICAL COMPONENT IN A POTENTIALLY HAZARDOUS ENVIRONMENT
Document Type and Number:
WIPO Patent Application WO/2019/137940
Kind Code:
A1
Abstract:
Enclosure for an electrical component in a potentially hazardous environment A portable enclosure(2)is provided for an electrical component for use in a potentially hazardous environment. The enclosure (2) is sealed and adapted to be pressurised so as to maintain a higher internal pressure than an external pressure without atop-up gas supply. The enclosure (2) comprises: a power supply for the electrical component; a diaphragm(38, 40) having two faces(48, 0), the first face(50)of the diaphragm being in contact with the interior of the enclosure and the second face(48)of the diaphragm being in contact with the external atmosphere, the diaphragm (38,40) being configured to snap from an engaged position into a disengaged position when the difference between the internal pressure and the external pressure falls below a first predetermined threshold; and an arrangement for isolating the power supply when the diaphragm(38, 40)snaps into the disengaged position.

More Like This:
WO/2009/004875ELECTRIC APPARATUS UNIT
Inventors:
MAZZIOTTA, David James (Feltspatveien 17 B, 4027 Stavanger, 4027, NO)
Application Number:
EP2019/050405
Publication Date:
July 18, 2019
Filing Date:
January 09, 2019
Export Citation:
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Assignee:
BARTEC TECHNOR AS (Vestre Svanholmen 24, 4313 Sandnes, 4313, NO)
International Classes:
H05K5/00; G01D11/24; G05D16/06; H01H35/34; H02K5/136; H05K5/06
Domestic Patent References:
WO2006076770A12006-07-27
WO2005036678A12005-04-21
Foreign References:
US5068720A1991-11-26
GB1543271A1979-03-28
US3720090A1973-03-13
Attorney, Agent or Firm:
POWER, Philippa (St Bride's House, 10 Salisbury Square, London Greater London EC4Y 8JD, EC4Y 8JD, GB)
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