Swirl chamber type combustion chamber for diesel engine

Details Swirl chamber type combustion chamber for diesel engine Swirl chamber type combustion chamber for diesel engine

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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patent: 4619229 (1986-10-01), Imoto et al.
patent: 4662330 (1987-05-01), Shioyama et al.

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