Device for use in an environment where flammable gases may...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Reexamination Certificate

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Details

C220S003800, C150S154000, C073S431000

Reexamination Certificate

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08072737

ABSTRACT:
A device for use in an environment where flammable gases may be present, the device including a sealed water proof exterior housing, and an interior explosion proof, sealed housing made of polycarbonate, mounted inside the exterior water proof housing. An electrical component is inside the interior sealed housing, and an intrinsically safe battery is outside of the interior housing but electrically connected to the component inside the interior housing. The battery is also mounted inside the exterior housing.

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patent: 7086283 (2006-08-01), Koyano et al.

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