Multi-winding motor

A multi-winding motor, comprising:

• a stator core having twelve magnetic pole sections;
• and
• two three-phase exciting windings wound on said twelve magnetic pole sections,
• wherein said twelve magnetic pole sections are provided with two kinds of discrete winding wirings distinguished from each other depending on disposed positions at which the discrete winding wirings are disposed with respect to said magnetic pole sections;
• wherein an exciting winding for one phase in one three-phase exciting winding of the three-phase exciting windings is constructed from four of said discrete winding wirings provided at each of the twelve magnetic pole sections, the four discrete winding wirings being selected one by one from those provided at each of four magnetic pole sections selected from said twelve magnetic pole sections;
• an exciting winding for one phase in the other F-phase exciting winding of said three-phase exciting windings is constructed from four discrete winding wirings other than those already selected, the M discrete winding wirings being respectively selected from each of the four magnetic pole sections selected from said twelve magnetic pole sections;
• wherein said two three-phase exciting windings are constructed in such a manner that corresponding two of the exciting windings for one phase form an identical phase of said two three-phase exciting windings;
• and
• wherein said four discrete winding wirings constructing said exciting winding for one phase include two discrete winding wirings selected from each of said two kinds of discrete winding wirings.

A multi-winding motor, comprising:

• a stator core having eighteen magnetic pole sections;
• and
• three three-phase exciting windings wound on said eighteen magnetic pole sections,
• wherein said eighteen magnetic pole sections are provided with three kinds of discrete winding wirings distinguished from each other depending on disposed positions at which the discrete winding wirings are disposed with respect to said magnetic pole sections;
• wherein an exciting winding for one phase in one three-phase exciting winding of the three-phase exciting windings is constructed from six of said three kinds of discrete winding wirings provided at each of the eighteen magnetic pole sections, the six discrete winding wirings being selected one by one from those provided at each of six magnetic pole sections selected from said eighteen magnetic pole sections;
• an exciting winding for one phase in another three-phase exciting winding of the three-phase exciting windings is constructed from six of said three kinds of discrete winding wirings other than those already selected at each of the magnetic pole sections, the six discrete winding wirings being selected one by one from those not yet selected at each of the six magnetic pole sections;
• an exciting winding for one phase in the remaining three-phase exciting winding is constructed from not yet selected six discrete winding wirings provided at said six magnetic pole sections;
• wherein said three three-phase exciting windings are constructed in such a manner that corresponding three of the exciting windings for one phase form an identical phase of said three three-phase exciting windings;
• and
• wherein said six discrete winding wirings constructing said exciting winding for one phase include two discrete winding wirings selected from each of said three kinds of discrete winding wirings.