Internal combustion engine
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United States of America Patent
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-
Oct 4, 1994
Grant Date -
N/A
app pub date -
May 11, 1993
filing date -
Nov 26, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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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