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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0292961 (1994-08-22) |
우선권정보 | JP-0014148 (1992-01-29) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 11 |
A engine valve having composite structure including a valve stem and a valve head which are made from Ti-Al based alloy and a tail end formed with heat resisting steel are produced by joining a stem end member made from the heat resisting steel to an end of the valve stem made from the Ti-Al based a
A method for producing an engine valve comprising: forming a valve stem and a valve head in an integrated single body from a Ti-Al based allow; and joining a stem end member made from heat resisting steel at the end away from the valve head by brazing with a Ni-based brazing filler metal.
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