Inductor devices – With outer casing or housing
Reexamination Certificate
2006-01-10
2006-01-10
Donovan, Lincoln (Department: 2832)
Inductor devices
With outer casing or housing
C336S057000, C336S058000, C336S094000
Reexamination Certificate
active
06985061
ABSTRACT:
An arrangement and a method for use in installation procedures for subsea transformers. A central, hole or tube is included in an encapsulation enclosing a transformer that is to be installed. Three core elements of the transformer are arranged symmetrically around the hole or tube forming a triangle or a delta. The transformer is lowered towards a a foundation placed on the sea floor wherein a guide pin is mounted. When the transformer has found its way to the foundation, the guide pin will enter the tube, and the transformer will slide down onto the guide line pin. The tube is terminated by a funnel shaped opening, thus making it easier not to miss the guide pin by the tube opening. The transformer is horizontally oriented by means of orientation keys localized within the tube.
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patent: 3618661 (1971-11-01), Petterman
patent: 4422791 (1983-12-01), Lausberg et al.
patent: 6456179 (2002-09-01), Backa et al.
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patent: WO 99/63555 (1999-12-01), None
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patent: WO 9923350 (1999-05-01), None
Hafskjold Gunnar
Soelvik Nils Arne
Donovan Lincoln
Franklin Eric J.
Poker Jennifer A.
Venable LLP
Vetco Aibel AS
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