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Title: Engine construction

Patent ·
OSTI ID:6740247

This patent describes a V-type engine construction which comprises, in combination: an engine block having a pair of upwardly diverging cylinder banks and also having a plurality of engine cylinders defined in each of the cylinder banks, the cylinder banks being displaced a certain distance from each other in a direction parallel to an engine output shaft; cylinder heads of identical shape having respective coolant water jackets defined therein and adapted to be mounted on the respective cylinder banks. Each of the cylinder heads have intake ports communicatable with the respective engine cylinders in the associated cylinder banks and defined therein so as to open generally towards a space between the cylinder heads and also having two spaced coolant outflow ports. The outflow ports in each of the cylinder heads are located adjacent to and inwardly of the two intake ports, which are respectively closest to front and rear ends of the respective cylinder head with respect to the direction of arrangement of the engine cylinders in the associated bank. The ports are defined therein so as to open generally towards the space between the cylinder heads.

Assignee:
Mazda Motor Corp., Hiroshima
Patent Number(s):
US 4643137
OSTI ID:
6740247
Resource Relation:
Patent File Date: Filed date 14 May 1985
Country of Publication:
United States
Language:
English