Combustion engine with one or more "squish" spaces between the p

Details Combustion engine with one or more "squish" spaces between the p Combustion engine with one or more "squish" spaces between the p

1986-03-17

1988-07-26

Wolfe, Jr., Willis R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123661, F02F 328

Patent

active

047593237

ABSTRACT:
The combustion engine forms "squish" spaces between the piston and the cylinder head and has additional guide means in the combustion chamber which create a rotational flow in the combustion chamber. The floor of the combustion chamber is formed by a trough-shaped recess in the piston head, so that it forms a "squish" space extending over the complete width of the combustion chamber. In the area between the valves, a further, central "squish" space extends which, in conjunction with the wall of the cylinder head which is situated above it, forms a further "squish" space flow which reinforces the lateral "squish" space flow. In this way the ignition timing can be further retarded and the temperature peak reduced together with an additional reduction in emissions of oxides of nitrogen. A very weak mixture with an excess of air of 30% or more can be ignited which likewise maintains a low burning temperature thus producing less nitrous oxide. The emission of carbon monoxide, as a result of the weak mixture, is also low, and the hydrocarbon emissions are minimal due to the total combustion by means of rotation of gases in the combustion chambers. Test results show a reduction in fuel consumption between 15% and 20% when compared with current engines.

REFERENCES:
patent: 2810377 (1957-10-01), Weissenbach
patent: 4182279 (1980-01-01), Sato et al.
patent: 4344408 (1982-08-01), Inoue et al.

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