US 12,136,861 B2
Motor stator with semi-staggered winding layout and single-sided phase, neutral, and coil connection welds
Dang Dinh Dang, Garden Grove, CA (US); and Logan Noel Balliett, Los Angeles, CA (US)
Assigned to Rivian IP Holdings, LLC, Irvine, CA (US)
Filed by Rivian IP Holdings, LLC, Irvine, CA (US)
Filed on Sep. 5, 2023, as Appl. No. 18/242,118.
Application 18/242,118 is a continuation of application No. 17/539,376, filed on Dec. 1, 2021, granted, now 11,923,741.
Prior Publication US 2023/0412026 A1, Dec. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H02K 3/28 (2006.01); B60K 1/00 (2006.01)
CPC H02K 3/28 (2013.01) [B60K 1/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A motor stator for a motor, comprising:
a stator body including a plurality of slots arranged circumferentially and extending axially therethrough between opposing ends of the stator body; and
a plurality of windings each winding including a plurality of coils, the plurality of coils including a same-layer lead coil that spans across multiple slots of the plurality of slots and includes two legs that are inserted into respective slots at a same layer thereof, wherein each respective winding includes a forward winding segment wound in a first circumferential direction, a reverse winding segment wound in a second circumferential direction, opposite the first circumferential direction, and a same-layer jumper coil connecting the forward winding segment to the reverse winding segment, each leg of the same-layer jumper coil being slotted in a respective slot at a same layer thereof.