US 12,278,533 B2
Windings for electrical machines
Tadashi Sawata, Coventry (GB); and Edward Graham Charles Pocock, Birmingham (GB)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Sep. 9, 2022, as Appl. No. 17/941,536.
Claims priority of application No. 21275144 (EP), filed on Oct. 4, 2021.
Prior Publication US 2023/0112188 A1, Apr. 13, 2023
Int. Cl. H02K 3/24 (2006.01); B64D 27/10 (2006.01); B64D 27/24 (2006.01); B64D 35/00 (2006.01); F02C 6/00 (2006.01); B64D 27/02 (2006.01)
CPC H02K 3/24 (2013.01) [B64D 27/10 (2013.01); B64D 27/24 (2013.01); B64D 35/00 (2013.01); F02C 6/00 (2013.01); B64D 27/026 (2024.01)] 20 Claims
OG exemplary drawing
 
1. A winding for an electrical machine, the winding comprising:
a plurality of pairs of unconnected flat conductors, each pair of unconnected flat conductors having at least one turn to form the winding, the plurality of pairs of flat conductors arranged to have no contact between each of the plurality of pairs of flat conductors;
wherein each flat conductor comprises a substantially U-shaped cross-section defining a base and two sides each joined to a respective end of the base; and
wherein one of the sides is shorter than another of the sides.