Electricity: conductors and insulators – With fluids or vacuum – With fluid maintenance or conditioning means
Patent
1979-10-26
1982-06-15
Askin, Laramie E.
Electricity: conductors and insulators
With fluids or vacuum
With fluid maintenance or conditioning means
16 40, 138108, 174 10, 174 28, 174 99B, 339 36, H01B 906
Patent
active
043352677
ABSTRACT:
A gas-insulated transmission line includes a cylindrical outer sheath, an inner conductor within the outer sheath, an insulating gas, and support insulators for insulatably supporting the inner conductor within the outer sheath. The support insulators have a pair of circumferentially spaced apart openings therein, and a wheel assembly is disposed within each of the support insulator openings. Each wheel assembly includes a rotatable wheel which extends outwardly of the support insulator opening and contacts the outer sheath. With such an arrangement, insertion or movement of the inner conductor within the outer sheath is done on wheels instead of with a sliding motion to thereby minimize the generation of conducting contamination particles. Also disclosed is the use of a removable, insulating contact button cover which prevents the particle trap ring contact from sliding against the outer sheath while the inner conductor is being assembled within the outer sheath, but which is removed after the inner conductor is in place so as to allow electric contact to the outer sheath.
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Askin Laramie E.
Westinghouse Electric Corp.
Yatsko M. S.
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