Hyundai Motor Company

Kia Motors Corporation

Seung-Mook You

Dong-Hoon Lee

Tae-Gon Noh

A method for catalyst purge control may include the steps of: performing, by a catalyst purge electronic control unit (ECU), catalyst purge control based on engine temperature; calculating an estimated engine temperature the catalyst purge ECU when fuel-cut is completed, and controlling, by the catalyst purge ECU, an amount of purge fuel injected by an injector based on the estimated engine temperature for the catalyst purge control.

Method for catalyst purge control based on engine temperature and vehicle using the same

A method for controlling an air-fuel ratio in an idle purge-off mode is provided. The method includes stopping feedback for an amount of fuel for a particular period of time when idle purging is terminated and performing freeze control with a constant lambda control value.

Growing community of inventors

Hwaseong-si, South Korea

Seung-Mook You