Electrical machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5886449
SERIAL NO

08694427

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrical machine has a rotor shaft which carries a plurality of rotor discs for rotation therewith. Each rotor disc has two pairs of rotor rims secured thereto. Each rotor rim consists of a single row of alternate magnets and pole pieces and is opposed by a series of stator cores which straddle the rotor rim. The stator cores are `c` shaped so that they receive flux from two adjacent magnets and close around two opposite rotor poles on either side of the rotor rim. The stator cores, formed by winding electrical steel around a former, reduce the losses caused by eddy currents generated when flux impinges on the side faces of the stator core.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROLLS-ROYCE POWER ENGINEERING PLCDERBY DE24 8BJ

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mitcham, Alan J Northumberland, GB2 10 210

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