Hyundai Motor Company

Inwoong Lyo

Seungwoo Lee

Bokyung Kim

Jiyoun Seo

Hongkil Baek

Dongkyu Lee

Minkyu Park

Jiho Kim

An intake valve for an engine supplies an intake gas to a combustion chamber of the engine, and an adiabatic coating layer including a polyamideimide resin and an aerogel dispersed in the polyamideimide resin and having thermal conductivity of 0.60 W/m or less may be formed on a surface portion that comes into contact with a flame during operation of the engine.

Intake valve for engine

A cylinder head for an engine may include an adiabatic coating layer having a polyamideimide resin and an aerogel dispersed in the polyamideimide resin with thermal conductivity of 0.60 W/m or less formed on a surface of a combustion chamber.

Cylinder head for engine

A noise reducing apparatus of a speed reduction device for electric continuous variable valve timing (CVVT), may include the speed reduction device having an inner tooth portion formed to be faced opposing an external wheel of a ball bearing in an interior diameter surface of a housing that may be integrally formed with a sprocket and rollers arranged through a cage between an inner tooth of the inner tooth portion and the external wheel of the ball bearing, wherein a coating layer may be formed to ease impact in exterior circumference portions of the rollers.

Noise reducing structure of speed reduction device for electric CVVT

Growing community of inventors

Suwon-si, South Korea

Inwoong Lyo