Light-alloy cylinder head for reciprocating piston internal comb

Details Light-alloy cylinder head for reciprocating piston internal comb Light-alloy cylinder head for reciprocating piston internal comb

1984-08-29

1985-10-01

Feinberg, Craig R.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123193A, F01L 322

Patent

active

045439257

ABSTRACT:
In order to be able to enlarge the width of web 13 between adjacent valve seating rings 6 of a light-alloy cylinder head 1 for reciprocating internal combustion engines, an external diameter D1 of valve seating surface 11 at the valve seating ring is selected, which is smaller than the external diameter D2 of the total valve seating surface 7. In order nevertheless to give valve seating ring 6 the required strength, the smallest internal diameter D4 is smaller than the internal diameter D3 of the valve seating surface. Throttling the flow is avoided by a transition from D4 to D3, which is advantageous to flow.

REFERENCES:
patent: 1523965 (1925-01-01), Howell
patent: 2827031 (1958-03-01), Newton
patent: 3285235 (1966-11-01), Ueberschaer
patent: 3762381 (1973-10-01), Dave
patent: 4236495 (1980-12-01), Rosan
patent: 4449492 (1984-05-01), Reynard

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