Combustion chamber of an internal combustion engine

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

1980-01-31

1982-03-09

Feinberg, Craig R.

Internal-combustion engines

Precombustion and main combustion chambers in series

With ignition means particularly positioned relative to...

123262, 123270, 123661, F02B 1912

Patent

active

043183760

ABSTRACT:
An internal combustion engine having an auxiliary combustion chamber connected to only the main combustion chamber via a connecting passage. The 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. A recessed portion is formed on the top wall of the main combustion chamber at a position near the first raised portion. The open end of the connecting passage is arranged in the recessed portion. The spark plug is arranged within the recessed portion at a position near the open end of the connecting passage and outside of the extension of the connecting passage.

REFERENCES:
patent: 4004563 (1977-01-01), Nakamura et al.
patent: 4106467 (1978-08-01), Tanahashi
patent: 4128092 (1978-12-01), Yokota et al.
patent: 4147150 (1979-04-01), Yokota et al.
patent: 4182279 (1980-01-01), Sato et al.

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