An automotive engine valve has a stem and a hollow valve head and valve cone, in which the ratio of the wall thickness to cone thickness is less than 1:3. The valve head (4) has an internal support to the stem at approx. mid-radius. The valve cone (3) and stem (2) are made as two different components, joined together. The upper edge of the valve cone is fixed to the stem.
申请公布号
EP1053388(A1)
申请公布日期
2000.11.22
申请号
EP19990908830
申请日期
1999.01.28
申请人
MAHLE VENTILTRIEB GMBH
发明人
ABELE, MARCUS;GLAS, THOMAS;VON KAENEL, ANDREAS;KREPULAT, WALTER;LECHNER, MARTIN;STEINMETZ, CHRISTOPH;STICHER, FRANK