Cylinder block of an internal-combustion engine

Details Cylinder block of an internal-combustion engine Cylinder block of an internal-combustion engine

1997-08-20

1998-12-01

Okonsky, David A.

Internal-combustion engines

Cooling

Multiple cylinders with equalized cooling

123 4174, 123 4181, 123195R, F01P 104

Patent

active

058424474

ABSTRACT:
A cylinder block of an internal-combustion engine of an open-deck construction, in which the cooling water jacket and the oil jacket between the cylinder tube and the cylinder block housing are separated from one another by a connection web which connects the respective cylinder tubes with the cylinder block housing. In order to reduce the cylinder tube distortions in the braced condition of the cylinder block, ribs are provided at least in the water jacket or in the oil jacket. The ribs start out from the connection web and improve the linking of the cylinder tubes to the cylinder block housing. The height of these ribs is much lower than the height of the water jacket or of the oil jacket which results in a low weight increase and minimizes the linking lengths to the cylinder tube.

REFERENCES:
The Porsche Engine 944 S2; P. Hensler, et al.; MTZ 50(Jan. 1989), pp. 151-157.

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