Hybrid construction electric machine
First Claim
1. An electric machine including at least one magnetically inducible structure, said structure comprising at least two magnetically inducible portions, at least one said portion being of laminar construction and at least another said portion being non-laminar in construction, the laminar portion having greater mechanical strength than the non-laminar portion.
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Accused Products
Abstract
An electric machine including at least one magnetically inducible structure (2), said structure comprising at least two magnetically inducible portions (3, 4), at least one said portion being of laminar construction (3) and at least another said portion being non-laminar in construction (4), the laminar portion having greater mechanical strength than the non-laminar portion.
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Citations
16 Claims
- 1. An electric machine including at least one magnetically inducible structure, said structure comprising at least two magnetically inducible portions, at least one said portion being of laminar construction and at least another said portion being non-laminar in construction, the laminar portion having greater mechanical strength than the non-laminar portion.
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13. An electric motor or generator having a stator and a rotor, characterised in that in at least the stator has at least one coil and a core that is magnetically inducible from said coil where the core has at least two parts where one of the parts is of laminar construction and provides a rugged support and a further part is of non laminar construction.
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14. A electrical machine of the salient-pole type, wherein the stator of the electric machine comprises a frame supporting salient pole pieces,
characterised in that the frame is constructed from laminated electrical steel and the pole pieces are constructed from bonded iron.
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15. A method of constructing an electric machine which includes the steps where approximately annular laminations are pressed from magnetically inducible, mechanically strong material,
said laminations are assembled into a frame, and pole pieces made from a magnetically-inducible material of high electrical resistance are attached to said frame.
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16. An electric machine substantially as described in the specification with reference to and as illustrated by any one or more of the accompanying drawings.
Specification