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US 2009/0047815 A1Published application
Contact pin assembly for a high voltage electrical connection
AssigneeSchlumberger Technology Corporation
InventorJoseph Allan Nicholson
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AssigneeSchlumberger Technology Corporation
InventorJoseph Allan Nicholson
Estimating the term…
There is disclosed a contact pin assembly for a high voltage electrical connection, the contact pin assembly comprising: an electrically-conductive outer member which is supportable from a support member, the outer member having a bore extending therethrough, the bore defining a smooth inner face of the outer member and being divergent towards opposite ends of the outer member; a contact pin, ends of which are arranged to be connected directly or indirectly to cables, the contact pin extending through the bore and having a profiled portion which defines a smooth outer face of the contact pin and which is divergent towards opposite ends of the contact pin, the contact pin being concentric with the bore; an electrically-conductive layer provided adjacent the inner face, the electrically-conductive layer being in electrical communication with the outer member and conforming with the profile of the inner face; an annular space between the profiled portion and the electrically-conductive layer; electrical insulation surrounding the pin to provide a seal around the pin and filling the annular space; and sealing between the insulation and the ends of the outer member. There is also disclosed a method of manufacturing such a contact pin assembly.
A contact pin assembly for a high voltage electrical connection, the contact pin assembly comprising:
13-19. (canceled)
An assembly according to claim 13, comprising spot welds arranged around the electrically-conductive layer to secure the electrically-conductive layer to the ends of the outer member and to provide the electrical communication between the electrically-conductive layer and the outer member.
An assembly according to claim 14, wherein the ends of the outer member are biased radially inwardly by a hoop stress in the electrically-conductive layer such that a gas-tight seal is formed between the outer member and the insulation.
A method of manufacturing a contact pin assembly for a high voltage electrical connection, the method comprising:
24-29. (canceled)
A method according to claim 16 comprising spot welding the electrically-conductive layer at positions therearound to secure the electrically-conductive layer to the ends of the outer member and to provide the electrical communication between the electrically-conductive layer and the outer member.
A method according to claim 16, comprising:
A method according to claim 18, comprising providing the ends of the outer member with a wave-like external profile, the wave-like external profile comprising a least one peak which defines the at least one radially outwardly projecting portion.
A method according to claim 19, comprising:
Dependencies are inferred from the claim text.