Contaminant trap for gas-insulated apparatus

Patent · 31 December 1983

OSTI ID:865226

Adcock, James L ^[1]; Pace, Marshall O ^[1]; Christophorou, Loucas G ^[2]

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1. Knoxville, TN
2. Oak Ridge, TN

A contaminant trap for a gas-insulated electrical conductor is provided. A resinous dielectric body such as Kel-F wax, grease or other sticky polymeric or oligomeric compound is disposed on the inside wall of the outer housing for the conductor. The resinous body is sufficiently sticky at ambient temperatures to immobilize contaminant particles in the insulating gas on the exposed surfaces thereof. An electric resistance heating element is disposed in the resinous body to selectively raise the temperature of the resinous body to a molten state so that the contaminant particles collected on the surface of the body sink into the body so that the surface of the resinous body is renewed to a particle-less condition and, when cooled, returns to a sticky collecting surface.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
• DOE Contract Number: W-7405-ENG-26
• Assignee: United States Department of Energy (Washington, DC)
• Patent Number(s): US 4480147
• OSTI ID: 865226
• Country of Publication: United States
• Language: English

Related Subjects

/174/134/
ambient
ambient temperature
ambient temperatures
apparatus
collected
collecting
collecting surface
compound
condition
conductor
contaminant
contaminant particles
contaminant trap
cooled
dielectric
disposed
electric
electric resistance
electrical
electrical conductor
element
exposed
exposed surface
exposed surfaces
gas
gas-insulated
gas-insulated electrical
grease
heating
heating element
housing
immobilize
inside
inside wall
insulated electrical
insulating
insulating gas
kel-f
molten
oligomeric
outer
outer housing
particle-less
particles
polymeric
provided
raise
renewed
resinous
resistance
resistance heat
resistance heating
returns
selectively
sink
sticky
sufficiently
surface
surfaces
temperature
temperatures
trap
wall
wax