Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Chun Kyu Kwon

Chang Won Lee

Tae Woong Lim

Jung Ho Kwon

Jae Hyun Park

Woo Jin Lee

Jun Ho Song

Young Rok Lee

Dae Hyun Song

Dong Hyun Kong

Ki Lyong Jang

Chang Gi Ryu

Chi Weon Jeong

Seung Ho Mok

Dong Ju Ko

Hyun Hun Choi

In Uk Ko

Nam Shin Kim

Sung Woo Kang

Kyoung Duk Rho

A method for controlling an electric heater of a vehicular heating, ventilation, and air conditioning (HVAC) system includes turning on the electric heater; determining whether an ambient air temperature of a vehicle is higher than or equal to a threshold ambient air temperature, and a battery temperature is lower than or equal to a threshold battery temperature; determining whether battery efficiency is lower than or equal to threshold efficiency when the ambient air temperature of the vehicle is higher than or equal to the threshold ambient air temperature, and the battery temperature is lower than or equal to the threshold battery temperature; and turning off the electric heater when the battery efficiency is lower than or equal to the threshold efficiency, wherein the electric heater is configured to receive electric energy from the battery.

Method for controlling electric heater of vehicular HVAC system

An air-conditioning control method for calculating an optimum operation amount of an air-conditioning blower in an air-conditioning system of a vehicle includes: determining a heater heat quantity after an engine of the vehicle is started under a maximum heating condition of the air-conditioning system and the air-conditioning system is turned on according to current vehicle state information and air-conditioning information; determining a lost heat quantity discharged outside the vehicle during a current air-conditioning mode; determining an effective heating energy efficiency by calculating a difference between the heater heat quantity and the lost heat quantity; calculating the optimum operation amount of the air-conditioning blower where the effective heating energy is maximized; and controlling operation of the air-conditioning blower according to the determined optimum operation amount.

Air conditioning control method for vehicle

A coolant circulation system for turbochargers is provided. The coolant circulation system includes a turbocharger provided with a coolant outlet line and a coolant inlet line. The coolant is discharged from the turbocharger through the coolant outlet line. The coolant outlet line is connected to a first flow path connecting an inlet port of a radiator to an outlet port of a heater core. The coolant is supplied into the turbocharger through the coolant inlet line. The coolant inlet line is connected to a second flow path connecting a first end of a water pump to an inlet port of the heater core.

Coolant circulation system for turbocharger

An air-conditioning control method for dividing an indoor space of a vehicle into a plurality of zones to perform individual air-conditioning for each zone, may include selecting boarding zones occupied by passengers from the plurality of zones, checking whether the number of the boarding zones occupied by the passengers may be one, correcting a detection temperature of an incar sensor into a temperature of the boarding zone using a mixing ratio of air for air-conditioning discharged from the corresponding boarding zone with air existing in the boarding zone when the number of the boarding zones occupied by the passengers may be one, and performing individual air-conditioning on the selected boarding zones by determining a target discharge temperature based on the corrected temperature of the boarding zone and using the determined target discharge temperature.

Air-conditioning control method for vehicle

Growing community of inventors

Hwaseong-si, South Korea

Chun Kyu Kwon