US 11,725,600 B1
Method of controlling opening speed of purge valve according to purge gas concentration and active purge system thereof
Jung-Seop Son, Seoul (KR); Tae-Gon Noh, Seoul (KR); and Hyung-Seok Yoon, Hwaseong-si (KR)
Assigned to Hyundai Motor Company; and Kia Corporation
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Aug. 30, 2022, as Appl. No. 17/899,333.
Claims priority of application No. 1020220035402 (KR), filed on Mar. 22, 2022.
Int. Cl. F02D 41/00 (2006.01); G05D 7/06 (2006.01)
CPC F02D 41/004 (2013.01) [F02D 41/0045 (2013.01); G05D 7/0623 (2013.01); F02D 2200/70 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for controlling a purge valve of a vehicle, the method comprising:
controlling, by a purge controller, purge execution of an active purge system (APS); and
performing a valve speed variable purge control that controls a valve opening speed of the purge valve based on an ambient air temperature, an engine coolant temperature, and a hydrocarbon (HC) concentration in a purge gas.