The method for making an exhaust manifold for a multi-cylinder IC engine comprises forming the casing (3) by internal high pressure forming of a tubular profile. The inlet pipe (4) is then formed to give it a rectangular cross-section with curved ends.
申请公布号
EP1225315(A3)
申请公布日期
2003.12.03
申请号
EP20020000755
申请日期
2002.01.12
申请人
BENTELER AUTOMOBILTECHNIK GMBH & CO. KG
发明人
SMATLOCH, CHRISTIAN DR.;TOPARKUS, INGO;KLEINSCHMIDT, JUERGEN;LESCH, ARTUR;STEINBACH, GERHARD
