Light metal cylinder head with valve seat insert

Details Light metal cylinder head with valve seat insert Light metal cylinder head with valve seat insert

1983-04-05

1986-02-18

Lazarus, Ira S.

Internal-combustion engines

Valve

Valve head cooperates with manifold

291567A, 251359, 251368, F01L 302

Patent

active

045705852

ABSTRACT:
A light metal cylinder head comprises a cast block and an annular valve seat insert formed from a heat-resisting sheet metal by pressing. The valve seat insert is embedded in the block by casting the block around the valve seat insert.

REFERENCES:
patent: 2036520 (1936-04-01), Fitzgerald
patent: 2101970 (1937-12-01), Wissler
patent: 2178895 (1939-11-01), Myers et al.
patent: 2600529 (1952-06-01), Gregory
patent: 3428035 (1969-02-01), Stefan et al.
European Search Report-EP 83 10 3191.

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