Hyundai Motor Company

Daeki Corporation

Woomin Jung

Changho Lee

Young Hak Jang

Younghak Jang

Minyong Park

Young Ho Han

A mold for manufacturing a sound-absorbing duct, may include an inner mold made of an elastic material and having a channel therein, a sound-absorbing pad disposed outside the inner mold, and an outer mold disposed outside the sound-absorbing pad and having at least one first injection groove on an inner circumferential surface thereof.

Mold for making sound-absorbing duct and sound-absorbing duct using the same

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

Hwaseong-si, South Korea

Woomin Jung