Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Patent
1989-06-08
1990-09-18
Kamen, Noah P.
Internal-combustion engines
Cooling
With jacketed head and/or cylinder
123 4176, F01P 302
Patent
active
049570684
ABSTRACT:
A liquid-cooled, four-valve cylinder head for a multi-cylinder internal-combustion engine comprises a casting having a cooling-fluid space between the cylinder-head bottom and a cylinder-head cover in which supporting struts are arranged for reinforcing the cylinder-head bottom, valve channels of gas-reversing valves and chambers for receiving secondary combustion spaces. Above the cooling-fluid space is located a control space with guide housings for receiving the cup tappets for the actuation of the gas-reversing valves. In order to obtain a cylinder-head construction which is structurally rigid and nevertheless can easily be produced, the chambers are cast together with the valve channels within the cooling-fluid space. Further, the supporting struts are equipped with ribs projecting into adjacent combustion-space portions, and the lateral outer walls of the cylinder-head housing are connected to one another in the region of the control space by transverse booms.
REFERENCES:
patent: 4579091 (1986-04-01), Kashiwagi et al.
patent: 4658763 (1987-04-01), Gobien et al.
patent: 4699092 (1987-10-01), Ruf et al.
Bonfert Helmut
Bottcher Michael
Hardt Thomas
Klumpp Rolf
Krause Klaus
Daimler-Benz AG
Kamen Noah P.
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