초록 ▼

A stator for use with a permanent magnet rotor electrical machine is disclosed which stator eliminates ferromagnetic teeth previously used in stator cores. The stator of the present invention uses a winding support structure made of non-magnetizable, non-conductive material to support the stator win

A stator for use with a permanent magnet rotor electrical machine is disclosed which stator eliminates ferromagnetic teeth previously used in stator cores. The stator of the present invention uses a winding support structure made of non-magnetizable, non-conductive material to support the stator windings, which may advantageously be prewound prior to installation on the winding support structure. The stator is easily adaptable to liquid cooling, and has substantially reduced losses due to its toothless design.

대표청구항 ▼

A stator for a permanent magnet electrical machine comprising: a winding support structure made of non-magnetizable, non-conductive material, said winding support structure having a cylindrical portion with a plurality of thin longitudinal support fins which extend radially outwardly from said cylin

A stator for a permanent magnet electrical machine comprising: a winding support structure made of non-magnetizable, non-conductive material, said winding support structure having a cylindrical portion with a plurality of thin longitudinal support fins which extend radially outwardly from said cylindrical portion, said support fins providing therebetween a plurality of slot areas; stator windings laid into said slot areas between said support fins; a substantially cylindrical flux collector ring made of ferromagnetic material and mounted around the outer periphery of said winding support structure, said collector ring thereby extending around the outermost edges of said support fins; and a housing extending from one end of said winding support structure around the outer diameter of said flux collector ring to the other end of said winding support structure, said one end and said other end of said winding support structure sealably contacting said housing, said housing having a cooling inlet and a cooling outlet adapted for coolant flow through said stator windings.