Stator for an electrical machine

Details Stator for an electrical machine Stator for an electrical machine

2007-06-05

2007-06-05

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216055, C029S596000

Reexamination Certificate

active

10297686

ABSTRACT:
A stator (50) for an electrical machine. A core of the stator (50) is made up of a series of connected segments (42), that are rotatable relative to one another during an assembly operation. Each segment (42) includes a radially outermost base portion (44) from which a respective integral pole piece (46) projects substantially inwardly to a pole piece tip. The tip includes a surface (49) that is arcuate and concentric with an axis of rotation of the machine. Each pole piece (46) projects in a non-radial direction and such that a semi-closed slot (48) arranged to locate part of a least one coil (30) therein is provided between each pair of juxtaposed pole pieces (46). A coil (30) is fittable to a respective one of the pole pieces (46) during the assembly operation without deformation of the pole piece (46).

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