Hyundai Motor Company

Kia Motors Corporation

Daeki Corporation

Younghak Jang

Changho Lee

Seunghyun Lee

Yang-rae Cho

Woomin Jung

Jungwu Jung

Youngho Han

Minyong Park

Hyun-soo Jung

A variable intake system may include an air duct that guides intake air into an engine and a variable valve having a variable opening degree, to adjust an amount of the intake air, wherein the air duct includes a first inlet and a second inlet that may be opened to an outside, wherein the air duct has a first flow path having one end connected with the first inlet and a second flow path having one end connected with the second inlet, wherein the second flow path shares a part of the first flow path, wherein another end of the first flow path and another end of the second flow path share a same outlet, and wherein a length of the second flow path may be longer than a length of the first flow path.

Variable intake system with variable valve

A system recognizes a check-up time of a filter of an air cleaner. The system includes a power unit that supplies power to the system, a pressure sensor that measure pressure of a filter, at an outlet connected with a filter unit, a conversion circuit that converts the measured value into a predetermined type, a processor that controls the measurement period of the pressure sensor and receives and compare the measured value converted by the conversion circuit with a predetermined reference value, and a display unit that displays a filter replacement period.

System for checking filter of air cleaner for automobiles

Growing community of inventors

Seoul, South Korea

Younghak Jang