Patent ID: 6791230
Filing Date: 2004-09-14
Classification: H02K

Abstract:
A rotor comprising:a shaft extending along an axis through the rotor; first and second poles extending radially from the shaft; first and second coils of wire windings respectively wrapped around the first and second poles, wherein each coil includes a respective outer face including two end turn portions and two side portions, and a respective inward-facing edge including two end turn sections and two side sections; a first outer wedge positioned between a first of the side portions of the first coil and a first of the side portions of the second coil; a first inner wedge positioned between a first of the side sections of the first coil and a first of the side sections of the second coil; one or more first fasteners coupled to the first outer wedge and the first inner wedge, whereby the first inner wedge is coupled to the first outer wedge and provides support thereto so that the first outer wedge is at least partly retained from moving radially outward away from the shaft; and one or more second fasteners, each second fastener having a first end and a second end, each second fastener first end coupled to the first inner wedge and each second fastener second end coupled to a core of the rotor, whereby the first inner wedge is adjustably spaced apart from the core of the rotor.