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US 9,803,582 B2Granted
Cylinder block for engine of vehicle
AssigneeHyundai Motor Company
InventorsHong Kil Baek, In Woong Lyo, Jiyoun Seo, Bokyung Kim, Seung Woo Lee, Tae Won Lee
Life of this patent
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Abstract
A cylinder block for an engine includes a cylinder liner and a water jacket through which a coolant flows, the water jacket being formed along a circumference of the cylinder liner, where an insulation coating layer made of a polyamideimide resin and an aerogel dispersed in the polyamideimide resin may be formed at an external circumferential surface of the cylinder liner.
Claims9
A cylinder block for an engine, comprising:
- a cylinder liner and a water jacket through which a coolant flows, the water jacket being formed along a circumference of the cylinder liner,
- wherein an insulation coating layer comprising a polyamideimide resin and an aerogel dispersed in the polyamideimide resin is formed at an external circumferential surface of the cylinder liner, and
- wherein an amount of 2 wt % or less of the polyamideimide resin based on the total weight of the polyamideimide resin is included in the aerogel.
A cylinder block for an engine, comprising:
- a cylinder liner and a water jacket through which a coolant flows, the water jacket being formed along a circumference of the cylinder liner,
- wherein an insulation coating layer is formed at an external circumferential surface of a lower portion of the cylinder liner,
- wherein the insulation coating layer comprises a polyamideimide resin and an aerogel dispersed in the polyamideimide resin, and has a thermal conductivity of 0.60 W/mK or less and a heat capacity of 1250 KJ/m3K or less, and
- wherein the polyamideimide resin is included at a depth of 95% or less of a longest diameter from a surface of the aerogel, and wherein an amount of 2 wt % or less of the polyamideimide resin based on the total weight of the polyamideimide resin is included in the aerogel.
1 more element
Dependencies are inferred from the claim text.