Internal combustion engine

Details Internal combustion engine Internal combustion engine

1993-05-11

1994-10-04

Nelli, Raymond A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having combustible mixture forming means

123260, 123261, 123256, F02F 326

Patent

active

053516656

ABSTRACT:
A combustion chamber located in the piston of an internal combustion engine is divided by restrictions into two or more partial chambers. The ratio between the minimum distance in the restricted area and the maximum distance in concave areas of the wall of the combustion chamber, as measured from the axis of the combustion chamber, is greater than or equal to 0.2. To improve the turbulence in the combustion chamber the proposal is put forward that the ratio between the minimum distance in the restricted area and the radius of the piston be smaller than or equal to 0.5, the wall of the combustion chamber being convex in the restricted area, and that the ratio between the maximum distance and piston radius be greater than or equal to 0.7.

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patent: 5103776 (1992-04-01), Sato
patent: 5109816 (1992-05-01), Sasaki
patent: 5158055 (1992-10-01), Oh et al.
patent: 5215053 (1993-06-01), Ito

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