US 11,946,541 B2
Method of controlling EOP of powertrain of vehicle
Sung Sik Choi, Hwaseong-Si (KR); Kyung Moo Lee, Yongin-Si (KR); Seong Min Son, Pohang-Si (KR); Ki Bum Kim, Seoul (KR); Se Hwan Jo, Bucheon-Si (KR); and Bong Uk Bae, Daegu (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 Aug. 20, 2021, as Appl. No. 17/408,299.
Claims priority of application No. 10-2021-0024041 (KR), filed on Feb. 23, 2021.
Prior Publication US 2022/0268353 A1, Aug. 25, 2022
Int. Cl. F16H 57/04 (2010.01)
CPC F16H 57/0436 (2013.01) [F16H 57/0443 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method of controlling an electric oil pump (EOP) of a powertrain apparatus, the method comprising:
determining, by a controller electrically connected to the EOP, whether an oil sloshing phenomenon occurs in the powertrain apparatus while a vehicle is running; and
reducing, by the controller, revolutions per minute (RPM) of the EOP by a predetermined reduced RPM when the controller determines that the oil sloshing phenomenon occurs.