US 12,233,725 B2
Predictive inductor cooling
John P. Casci, Westland, MI (US); Moon Young Lee, Livonia, MI (US); Baoming Ge, Okemos, MI (US); and Fan Wang, Novi, MI (US)
Assigned to FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Sep. 22, 2021, as Appl. No. 17/482,245.
Prior Publication US 2023/0088076 A1, Mar. 23, 2023
Int. Cl. B60K 17/04 (2006.01); B60L 50/90 (2019.01); H01F 27/08 (2006.01); H01F 27/10 (2006.01); H05K 7/20 (2006.01); B60K 6/20 (2007.10); B60K 6/22 (2007.10)
CPC B60L 50/90 (2019.02) [B60K 17/04 (2013.01); H01F 27/08 (2013.01); H05K 7/20845 (2013.01); B60K 6/20 (2013.01); B60K 6/22 (2013.01); H01F 27/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An automotive propulsion system comprising:
a transmission including an output shaft;
a variable voltage converter including an inductor disposed within a housing of the transmission such that transmission fluid within the housing contacts the inductor to cool the inductor; and
a controller programmed to maintain a magnitude of current through the inductor to less than a limit value that is defined by a speed associated with the output shaft and a switching frequency of the variable voltage converter.