A ROTARY MOUNT FOR A TURBINE

WIPO Patent Application WO/2010/078903

A3

The invention relates to a rotary mount (8) for a turbine (1), such as a subsea tidal stream turbine. The mount comprises a fixed part (9), and a rotary part (10) configured for connection to said turbine (1), the rotary part (10) being mounted for rotation relative to the fixed part (9). The fixed part comprises a fixed conductor (52), and the rotary part comprises rotary conductor (47), the rotary conductor (47) being electrically connected to the turbine (1) and arranged for rotation relative to the fixed conductor (52). The arrangement is configured such that electrical energy generated by the turbine (1) is transferred via the rotary conductor (47) to the fixed conductor (52) either by direct conduction, or by induction, whilst permitting rotation therebetween. In one embodiment, the mount (8) takes the form of a rotary transformer comprising a plurality of rotary conductors (47), each comprising a primary coil having a plurality of turns wound on a rotary-core (44), and a plurality of fixed conductors, each comprising a secondary coil (52) having a plurality of turns wound on a fixed-core (48), the rotary-core (44) being mounted for rotation relative to the fixed-core (48).

SIMANWE TEZA (GB)
KINSON ALAN STUART (GB)
CHONG ELLIS FUL HEN (GB)

PCT/EP2009/008745

April 07, 2011

December 08, 2009

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ROLLS ROYCE PLC (GB)
SIMANWE TEZA (GB)
KINSON ALAN STUART (GB)
CHONG ELLIS FUL HEN (GB)

F03B13/26

US4427897A	1984-01-24
EP0924426A2	1999-06-23
GB2443636A	2008-05-14
EP1742235A2	2007-01-10
DE102006044704A1	2008-03-06
GB2450624A	2008-12-31
EP0165894A1	1985-12-27
JPS58218105A	1983-12-19

BARCOCK, Ruth, Anita (PO Box 31, Derby DE24 8BJ, GB)

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