Combustion chamber of an internal combustion engine

Details Combustion chamber of an internal combustion engine Combustion chamber of an internal combustion engine

1979-05-15

1981-04-07

Feinberg, Craig R.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

Structural projection on working piston causes whirling

123193P, 123661, 123193H, F02B 2308

Patent

active

042599334

ABSTRACT:
An internal combustion engine comprises a first raised portion formed on the inner wall of the cylinder head, a second raised portion formed on the top face of the piston at a position opposite to the first raised portion with respect to the axis of the piston, and a third raised portion formed on the inner wall of the cylinder head above the second raised portion. A first flat squish area is formed between the flat peripheral top face of the piston and the flat bottom face of the first raised portion. A second spherical shell shape squish area is formed between the spherical bottom wall of the third raised portion and the spherical rear face of the second raised portion. The surface areas of the first squish area and the second squish area which are located near said exhaust valve are larger than those of the first squish area and the second squish area which are located near the intake valve.

REFERENCES:
patent: 2843103 (1958-07-01), Wyczalek
patent: 2954023 (1960-09-01), Lampredi
patent: 4162661 (1979-07-01), Nakanishi et al.
patent: 4182279 (1980-01-01), Sato et al.

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