US 12,142,967 B2
Electric machine with integrated dam assembly
Ronald D. Bremner, Waterloo, IA (US); Rainer Gugel, Mannheim (DE); and David Mueller, Mannheim (DE)
Assigned to DEERE & COMPANY, Moline, IL (US)
Appl. No. 17/616,404
Filed by Deere & Company, Moline, IL (US)
PCT Filed Aug. 18, 2020, PCT No. PCT/US2020/046763
§ 371(c)(1), (2) Date Dec. 3, 2021,
PCT Pub. No. WO2021/034808, PCT Pub. Date Feb. 25, 2021.
Claims priority of provisional application 62/889,540, filed on Aug. 20, 2019.
Prior Publication US 2022/0247274 A1, Aug. 4, 2022
Int. Cl. H02K 1/276 (2022.01); B60K 1/00 (2006.01); H02K 5/15 (2006.01); H02K 9/197 (2006.01); H02K 21/14 (2006.01)
CPC H02K 1/276 (2013.01) [H02K 5/15 (2013.01); H02K 9/197 (2013.01); H02K 21/14 (2013.01); B60K 1/00 (2013.01); B60K 2001/006 (2013.01); H02K 2205/09 (2013.01); H02K 2205/12 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An electric machine, comprising:
a housing;
a stator assembly within the housing;
a rotor assembly within the housing; and
a dam assembly comprising a first dam element, the first dam element arranged on one end of the electric machine, the first dam element including an air inlet, wherein
the air inlet is configured to receive a supply of pressurized air,
wherein the first dam element comprises an outer surface comprising a mound, at least one of a height or a width of the mound based on at least one of a size or a length of an end turn of the stator assembly.