Diesel engine having shaped flame dispersing recess in piston cr

Details Diesel engine having shaped flame dispersing recess in piston cr Diesel engine having shaped flame dispersing recess in piston cr

1989-01-31

1989-11-21

Okonsky, David A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston carried precombustion chamber

123193P, F02F 326

Patent

active

048815012

ABSTRACT:
The major portion of a flame which ejects from a swirl chamber by way of a transfer passage, is subject to first and second deflections. The first occurs close to TDC, the second after the piston has decended a predetermined amount. A minor portion of the flame which tends to flow in a direction essentially the reverse of the main one, encounters a curved deflection wall portion and is thereafter subject to guidance by guide members which induce the flame to blend with the air located proximate the location of the transfer passage opens into the combustion chamber. A variation of the basic arrangement includes the provision of a squish generating projection which promotes suitable mixing turbulence near the curved deflection wall portion.

REFERENCES:
patent: 4166436 (1979-09-01), Yamakawa
patent: 4453527 (1984-06-01), Wade
patent: 4662330 (1987-05-01), Shioyama et al.
patent: 4669431 (1987-06-01), Simay
patent: 4798183 (1989-01-01), Hataura et al.

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