US 11,807,094 B1
Electric drive unit with planetary two-speed powershift transmission driven by three electric motors
Kurt Cattoor, Koolkerke (BE); Filip D. Schacht, Meulebeke (BE); Filip Van Raepenbusch, Bruges (BE); Joachim Van Dingenen, Drongen (BE); and Jan Markey, Wingene (BE)
Assigned to Dana Belgium N.V., Bruges (BE)
Filed by Dana Belgium N.V., Flanders (BE)
Filed on Dec. 2, 2022, as Appl. No. 18/074,293.
Int. Cl. B60K 17/08 (2006.01); B60K 1/02 (2006.01)
CPC B60K 17/08 (2013.01) [B60K 1/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A transmission system of an electric drive unit, comprising:
a first input shaft rotationally coupled to a first electric machine;
a second input shaft rotationally coupled to a second electric machine;
a third input shaft rotationally coupled to a third electric machine;
wherein the first electric machine, the second electric machine, and the third electric machine are connected via an idler shaft; and
a planetary gear set coupled to the idler shaft and positioned between and coupled to a first clutch and a second clutch;
wherein the second clutch, when engaged, is configured to engage and ground a ring gear of the planetary gear set.