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

1981-11-17

Feinberg, Craig R.

Internal-combustion engines

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

Structural projection on working piston causes whirling

123306, 123193P, 123661, F02B 3100, F02F 328

Patent

active

043004997

ABSTRACT:
An internal combustion engine comprising 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 shaped 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 second raised portion has a front face which comprises a gently inclined front face portion and a steeply inclined front face portion. The gently inclined front face portion is arranged beneath the exhaust valve, and the steeply inclined front face portion is arranged beneath the intake valve.

REFERENCES:
patent: 2843103 (1958-07-01), Wyczalek
patent: 2954023 (1960-09-01), Lampredi
patent: 3154061 (1964-10-01), Henry-Biabaud
patent: 4143624 (1979-03-01), Schmidt
patent: 4162661 (1979-07-01), Nakanishi et al.
patent: 4182279 (1980-01-01), Sato et al.

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