Waste gate valve
AssigneesHyundai Motor Company, Hyundai Wia Corporation
InventorsKwang Hwan Kim, Seung Yeon Lee, Dong Ho Chu, Ui Yeon Park, Kyung-Wook Jin, Sung-Jin Yang, Jun Gwan Park, Gil-Beom Lee, Kyung-Jae Jung
Life of this patent
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Abstract
A waste gate valve which is installed on a turbocharger to selectively discharge a part of exhaust gas while allowing the part of the exhaust gas to bypass the turbocharger, may include a layer which is formed between a valve seat and a valve body that comes into contact with the valve seat.
Claims5
A waste gate valve which is installed on a turbocharger to selectively discharge a part of exhaust gas while allowing the part of the exhaust gas to bypass the turbocharger, the waste gate valve comprising:
- a layer which is formed between a valve seat and a valve body that comes into contact with the valve seat,
- wherein the layer is formed on a surface of the valve body which faces the valve seat of the waste gate valve,
- wherein the layer includes:
- a ceramic layer which comes into contact with the valve seat;
- and
- an insert material which is interposed between the valve body and the ceramic layer,
- wherein the insert material is made of a material that has a lower melting point than the valve body, and
- wherein the insert material includes nickel (Ni), chromium (Cr), boron (B), silicon (Si), and iron (Fe).
Dependencies are inferred from the claim text.