Engine valve and method of producing the same

Details Engine valve and method of producing the same Engine valve and method of producing the same

1983-04-04

1986-07-01

Lazarus, Ira S.

Internal-combustion engines

Valve

Valve head cooperates with manifold

251368, F01L 302

Patent

active

045973679

ABSTRACT:
An engine valve of an internal combustion engine comprises a hollow metal tube member whose one end part is flared into an umbrella-shape, the hollow metal tube member constituting a valve stem section. A generally disc-shaped metal lid member is welded to the umbrella-shaped end part of the hollow metal tube member, constituting a valve head section. Additionally, a metal stem end member is welded to the other end of the hollow metal member, thus decreasing the weight of the valve, thereby reducing total engine noise while improving fuel economy.

REFERENCES:
patent: 1294416 (1919-02-01), Dady
patent: 1714690 (1929-05-01), Nevins
patent: 2089749 (1937-08-01), Jardine
patent: 2119042 (1938-05-01), Charlton
patent: 2183254 (1939-12-01), Charlton
patent: 2316488 (1943-04-01), Roth
patent: 2354947 (1944-08-01), Colwell
patent: 2371548 (1945-03-01), Saffady
patent: 2745777 (1956-05-01), Clarke
patent: 3040417 (1962-06-01), Newton

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