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

1987-07-24

1988-11-22

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston shape complements precombustion chamber discharge

123262, F02B 1916, F02B 1908

Patent

active

047857765

ABSTRACT:
A piston crown is formed with cavity a which includes a first flame deflecting member which divides the flame ejected from a transfer port interconnecting a swirl chamber with a main combustion chamber while the piston is relatively close to its TDC position and a second flame deflecting arrangement which divides the flame flow after the piston has descended by a given amount. The stage deflections of the flame promotes extensive dispersion thereof and the formation of a flame plume which engulfs a relatively large amount of the air in the combustion chamber and improves mixing of the burning gases and unburnt fuel with the air in the combustion chamber.

REFERENCES:
patent: 2113711 (1938-04-01), Ricardo
patent: 3196857 (1965-07-01), Zimmermann
patent: 3965872 (1976-06-01), Taira et al.
patent: 4662330 (1987-05-01), Shioyama et al.

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