Engine valve and method of producing the same

Claim 1

An engine valve of an internal combustion engine, comprising: a hollow tube member formed of a drawn steel tube, said hollow tube member having a central portion comprising a tubular body, and a first end part which is flared outwardly and includes an open end peripheral portion at the extreme end of said first end part, said hollow tube member tubular body constituting a valve stem section; a generally disc-shaped lid member made of metal and having a peripheral portion integrally connected with the open end peripheral portion of said hollow tube member, said lid member and the first end part of said hollow tube member constituting a valve head section; and a stem end member made of metal and integrally connected with a second end part of said hollow tube member; a filler metal comprising stellite disposed in contact with the open end peripheral portion of said hollow tube member first end part and the peripheral portion of said disc-shaped lid member to secure together said hollow tube member and said lid member to thereby form said integral connection, said stellite filler metal being a wear and corrosion resistant nonferrous alloy, said filler metal being formed as a padding having a peripheral surface including a valve face for contacting a valve seat of an engine; and a filling comprising an aluminum alloy containing silicon, said filling being disposed in said valve head section to fill said valve head section.