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    • 9. 发明授权
    • Method for producing metallic-sodium-filled engine valve
    • 生产金属钠填充发动机气门的方法
    • US08713793B2
    • 2014-05-06
    • US13504910
    • 2010-09-09
    • Hirokazu MoriiHyoji Yoshimura
    • Hirokazu MoriiHyoji Yoshimura
    • B21K1/22
    • F01L3/14B21C1/18B21K1/22B21K21/16B23P15/002F01L3/00F01L2101/00F01L2103/00F01L2820/01
    • Disclosed is a method—for producing an engine valve (V) filled with metallic sodium (Na) within by means of: forming a stem section (S), which has a hollow section (H), at an intended size by successively drawing the stem section (S) using dies (D1, D2, Dx, Dx+1, Dn) in a manner so as to causing the size of the outer diameter and the inner diameter of the stem section (S) to contact in a stepwise fashion; and inserting metallic sodium (Na) into the hollow section (H) of the stem section (S)—wherein after drawing the stem section (S) until the inner diameter of the hollow section (H) of the stem section (S) has become a prescribed size (steps S11-S15) and then inserting the block-shaped solid metallic sodium (Na) into the hollow section (H) of the stem section (S) (step S16), the stem section (S) is further drawn (steps S17 and S18).
    • 公开了一种用于制造填充有金属钠(Na)的发动机气门(V)的方法,其特征在于,通过以下方式形成具有中空部分(H)的杆部(S) 以使得所述杆部(S)的外径和内径的尺寸以逐步方式接触的方式使用模具(D1,D2,Dx,Dx + 1,Dn)的杆部(S) ; 并将金属钠(Na)插入到所述杆部(S)的中空部分(H)中,在所述杆部(S)拉伸之后,直到所述杆部(S)的中空部(H)的内径具有 成为规定尺寸(步骤S11-S15),然后将块状固体金属钠(Na)插入到茎部(S)的中空部(H)中(步骤S16),茎部(S)进一步 (步骤S17和S18)。