US 11,745,721 B2
Method of controlling electric oil pump for vehicle
Jae Hyeon Lee, Hwaseong-si (KR); Jae Woo Shim, Anyang-si (KR); and Ji Wan Cha, Incheon (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on May 10, 2021, as Appl. No. 17/316,173.
Claims priority of application No. 10-2020-0103295 (KR), filed on Aug. 18, 2020.
Prior Publication US 2022/0055603 A1, Feb. 24, 2022
Int. Cl. B60W 10/30 (2006.01); F16H 61/00 (2006.01)
CPC B60W 10/30 (2013.01) [F16H 61/0028 (2013.01); B60W 2710/1083 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of controlling an electric oil pump of a vehicle, the method comprising:
determining, by a controller, whether the vehicle has entered a sloped road;
determining, by the controller, whether a drive motor of the vehicle is in at least one overheatable condition upon determining that the vehicle has entered the sloped road;
determining, by the controller, whether the at least one overheatable condition is maintained over a preset reference time upon determining that the vehicle is in the at least one overheatable condition; and
supplying, by the controller, a pulse to an input of a revolutions per minute (RPM) in the electric oil pump upon determining that a duration of the at least one overheatable condition exceeds the preset reference time.