Applied ignition internal combustion engine whose pistons have e

Details Applied ignition internal combustion engine whose pistons have e Applied ignition internal combustion engine whose pistons have e

1997-04-10

1999-01-26

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston carried precombustion chamber

123276, 123285, F02B 2306

Patent

active

058627898

ABSTRACT:
The present invention relates to an applied ignition internal combustion engine having at least one cylinder in which a piston slides along the cylinder axis, with a cylinder head capping the cylinder and, together with the piston and cylinder, defining a combustion chamber. The piston has a recess open toward the cylinder head, the recess having several shapes of an ellipsoid section along a transverse plane of the piston, of which the main axis and generatrices are substantially parallel to the lengthwise axis of the piston in order to reduce the area-volume ratios in the combustion chamber and increase turbulence levels at the end of the compression cycle. The ellipse or ellipses is or are such that:

REFERENCES:
patent: 5351665 (1994-10-01), Kapus et al.
Patent Abstracts Of Japan, vol. 009, No. 282 (M-428), Nov. 9, 1985.
Patent Abstract Of Japan, vol. 015, No. 432 (M-1175), Nov. 5, 1991.

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