Undulated Stator Coil Insertion With Variable Pitch Alignment

The patent applies the dynamics principle by making the pitch distance variable rather than constant. The pitch distance between adjacent linear portions is adjusted dynamically based on their radial position within the slots. Linear portions at different radial positions have different pitch distances, allowing the coil assembly to accommodate radial variations without strain while maintaining precise alignment. This resolves the contradiction by transforming a static constant pitch into a dynamic variable pitch that adapts to radial position changes.

The patent applies the parameter changes principle by modifying the pitch distance parameter according to radial position. Instead of adding complex positioning mechanisms to enforce constant alignment, the solution changes the pitch distance parameter dynamically. The pitch distance is increased for linear portions at larger radial positions and decreased for those at smaller radial positions, achieving precise alignment through parameter adaptation rather than mechanical complexity.

The patent applies the local quality principle by tailoring the pitch distance to the specific radial position of each linear portion. Instead of using a uniform pitch distance, the solution implements local variations in pitch distance that match the local radial conditions. Each linear portion receives a pitch distance optimized for its specific position, reducing strain locally while maintaining overall alignment precision through this localized adaptation.