Internal-combustion engines – Precombustion and main combustion chambers in series – Piston carried precombustion chamber
Patent
1987-05-21
1989-01-17
Myhre, Charles J.
Internal-combustion engines
Precombustion and main combustion chambers in series
Piston carried precombustion chamber
123286, 123193P, F02F 326
Patent
active
047981830
ABSTRACT:
In a swirl chamber type combustion chamber for a diesel engine having an injection passage provided for to guide the stream of combustion gas gradually spreading right and left during the injection from the swirl chamber to the main combustion chamber, a top surface of a piston head is provided with a concavity formed in such a configuration as gradually spreading right and left as progressing from the inlet end to the outlet end thereof, for example like an unfolded-fan. And the inlet end of the concavity is located so as to face to the outlet of the injection passage. The stream of combustion gas injected from the injection passage is to be guided so as to be sufficiently diffused in the main combustion chamber by the concavity.
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Hataura Kiyoshi
Nagahama Masahiro
Kubota Ltd.
Myhre Charles J.
Okonsky David A.
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