Electricity: conductors and insulators – Boxes and housings
Reexamination Certificate
2005-03-15
2005-03-15
Patel, Dhiru R. (Department: 2831)
Electricity: conductors and insulators
Boxes and housings
C174S0050SG, C174S018000, C174S0170CT, C336S090000
Reexamination Certificate
active
06867364
ABSTRACT:
A subsea electrical power distribution system including a first chamber (20) housing a transformer, a second chamber (30) housing a power distribution system with busbars (32) for distribution of power to individual consumers connected to said busbars via connectors (33). The interface between the first and second chamber includes a flexible membrane (22) allowing the oil in the first chamber to expand into the second chamber and vice versa. The second chamber being connected to an external volume expansion chamber (34) allowing the pressure in the second chamber to balance against the pressure of the ambient sea.
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Hafskjold Gunnar
Sølvik Nils-Arne
ABB Offshore Systems AS
Franklin Eric J.
Patel Dhiru R.
Venable LLP
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