Title:
GENERATOR COMPRISING A VARIABLE SPEED MAGNETIC GEAR
Document Type and Number:
WIPO Patent Application WO/2015/110569
Kind Code:
A3
Abstract:
A generator comprising a magnetic gear, the magnetic gear comprising a stationary member comprising a set of electromagnets, a first moveable member comprising a set of magnets, and a second moveable member disposed between the first moveable member and the stationary member. The second moveable member comprises a set of core members. The first and second moveable members are magnetically coupled to define a gear ratio therebetween and the electromagnets are operable to control the gear ratio. The stationary member comprises a stator of the generator and the first moveable member comprises an armature of the generator, wherein the armature is arranged to induce an electrical current in a set of generator windings disposed around the stator. The second moveable member comprises an input means arranged to receive a drive force. The gear ratio is variable, such that a variable output speed may be produced for a given input speed. In this way, the electrical output of the generator is decoupled from the input speed, so as to provide sufficient power for a range of input speeds.
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Inventors:
ARMSTRONG ALAN (GB)
Application Number:
PCT/EP2015/051330
Publication Date:
October 01, 2015
Filing Date:
January 23, 2015
Export Citation:
Assignee:
JAGUAR LAND ROVER LTD (GB)
International Classes:
H02K7/11; H02K16/00; H02K7/00
Domestic Patent References:
| WO2011144895A2 | 2011-11-24 | |||
| WO2011061491A2 | 2011-05-26 |
Foreign References:
| EP1353436A2 | 2003-10-15 | |||
| EP2390994A1 | 2011-11-30 | |||
| US20130234553A1 | 2013-09-12 |
Attorney, Agent or Firm:
HOLMES, Matthew (Patents Department W/1/073Abbey Road,Whitley, Coventry Warwickshire CV3 4LF, GB)
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