Electrical connectors – Having retainer or passageway for fluent material – Fluent material transmission line
Patent
1986-09-29
1989-08-08
Bradley, P. Austin
Electrical connectors
Having retainer or passageway for fluent material
Fluent material transmission line
439191, 439275, 439276, H01R 460
Patent
active
048548863
ABSTRACT:
An electrical coupling for conducting electricity between areas of different pressures including a hollow housing extending between the areas of different pressures, an electrical cable extending through the housing, a seal located in the housing, a compression assembly for compressing the seal, a first pressure-equalizing assembly at one end of the housing for maintaining the pressure inside the housing at least equal to the pressure outside the housing at that end, and a second pressure-equalizing assembly at the other end of the housing for maintaining the pressure inside the housing at least equal to the pressure outside the housing at that other end. Each of the pressure-equalizing assemblies comprises a dielectric flowable grease filling the otherwise empty spaces inside the housing and a movable wall, that is exposed to the exterior pressure, pressurizing the grease. These pressure-equalizing assemblies perform an electrical insulating function by preventing contaminants from reaching the electrical cable.
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'Hubbell Incorporated
Bradley P. Austin
Goodman Alfred N.
Presson Jerry M.
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