公开(公告)号：KR1020140087887A

公开(公告)日：2014-07-09

申请号：KR1020120158666

申请日：2012-12-31

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 박주성 ,  이승현 ,  신호철

IPC: C22C38/18 ,  C22C38/26 ,  C22C38/38

CPC classification number: C22C38/26 ,  C22C38/001 ,  C22C38/06 ,  C22C38/22

Abstract: The present invention relates to a ferritic stainless steel for an EGR system and, more specifically, a ferritic stainless steel for an EGR system comprises Fe which is a base material, 18-20 wt% of Cr of the total weight of alloy, Mo, C, and Nb, thereby restraining discoloration of the ferritic stainless steel and improving formability, oxidation resistance, and corrosion resistance.

Abstract translation: 本发明涉及一种用于EGR系统的铁素体不锈钢，更具体地说，涉及一种用于EGR系统的铁素体不锈钢，其包含作为基材的Fe，合金总重量的18〜20重量％的Cr， C和Nb，从而抑制铁素体不锈钢的变色，提高成形性，抗氧化性和耐腐蚀性。

公开(公告)号：KR1020130128771A

公开(公告)日：2013-11-27

申请号：KR1020120052780

申请日：2012-05-18

Applicant: 현대자동차주식회사

Inventor： 박주성

IPC: F01N13/10 ,  B22D19/04

CPC classification number: F01N13/10 ,  B22D19/04 ,  F01N13/1838

Abstract: The present invention relates to an exhaust manifold for vehicles and a manufacturing method thereof capable of improving oxidation resistance and thermal resistance of a joining unit by connecting different kinds of boards inside the joining unit of a manifold. More specifically, the present invention provides the exhaust manifold for the vehicles comprising a plurality of branch units connected to an exhaust port by each cylinder of a vehicle engine and the joining unit joining the branch units as a single path and connecting to an exhaust pipe line. The exhaust manifold for the vehicles connects boards inside an exit of the joining unit and the material of the joining unit and the board is different.

Abstract translation: 本发明涉及一种用于车辆的排气歧管及其制造方法，其能够通过连接歧管的接合单元内的不同种类的板来提高接合单元的抗氧化性和耐热性。 更具体地，本发明提供了一种用于车辆的排气歧管，其包括通过车辆发动机的每个气缸连接到排气口的多个分支单元，并且接合单元将分支单元作为单个路径连接并连接到排气管线 。 用于车辆的排气歧管连接接合单元的出口内的板，并且接合单元和板的材料不同。