US 9,809,086 B2
Method and system for controlling vehicle radiator flap
Shin Hae Kim, Gyeonggi-Do (KR)
Assigned to Hyundai Motor Company, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR)
Filed on Dec. 8, 2014, as Appl. No. 14/563,804.
Claims priority of application No. 10-2014-0055241 (KR), filed on May 9, 2014.
Prior Publication US 2015/0322844 A1, Nov. 12, 2015
Int. Cl. F01P 7/14 (2006.01); B60R 16/023 (2006.01); B60H 1/00 (2006.01)
CPC B60H 1/00864 (2013.01) [B60R 16/0231 (2013.01); F01P 7/14 (2013.01); F01P 2007/146 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for controlling a radiator flap for a vehicle, comprising:
an engine controller configured to generate a cooling fan control signal; and
an integrated controller configured to:
determine an engine coolant temperature variation based on the cooling fan control signal; and
determine at least one of a vehicle speed, an air conditioner on/off signal, and an air conditioner refrigerant pressure based on a vehicle control area network (CAN) signal to open and close the radiator flap.