Internal-combustion engines – Combustion chamber – Having squish area
Patent
1979-05-30
1981-09-29
Feinberg, Craig R.
Internal-combustion engines
Combustion chamber
Having squish area
123262, 123287, F02B 2308
Patent
active
042916623
ABSTRACT:
An internal combustion engine comprises a main combustion chamber and an auxiliary combustion chamber which are interconnected to each other via a connecting passage. The spark plug is arranged in the connecting passage. The engine further 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 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 axis of the connecting passage is located in the extension of the second squish area.
REFERENCES:
patent: 4106467 (1978-08-01), Tanahashi
patent: 4128081 (1978-12-01), Noguchi et al.
patent: 4182279 (1980-01-01), Sato et al.
Kato Takashi
Nakamura Norihiko
Nakanishi Kiyoshi
Feinberg Craig R.
Toyota Jidosha Kogyo Kabushiki Kaisha
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