Two stroke diesel engine

Details Two stroke diesel engine Two stroke diesel engine

1991-08-07

1992-11-17

Cross, E. Rollins

Internal-combustion engines

Precombustion and main combustion chambers in series

Two-cycle

123 65VD, 123263, 1231935, F02B 300

Patent

active

051633957

ABSTRACT:
In a two stroke diesel engine which comprises a combustion chamber formed by a cylinder, piston head and base of the cylinder head, a cavity formed on the base of the cylinder head facing the combustion chamber, intake valves fitted to the cylinder head facing the cavity, a fuel injection valve fitted to the cylinder head facing the cavity, and exhaust valves fitted to the base of the cylinder head, fresh gas entering from the intake valves flows into the combustion chamber via the cavity in a scavenging step, and effectively sweeps out burnt gas. Further, as fuel and air are mixed in the cavity near the top dead center of the piston stroke, and this gas mixture is ejected together with the flame that ignited in the cavity into the combustion chamber as the piston descends, combustion in the chamber takes place efficiently.

REFERENCES:
patent: 4052972 (1977-10-01), Mizunuma et al.
patent: 4258680 (1981-03-01), Eckert
patent: 4291655 (1981-09-01), Yamakawa
patent: 4378764 (1983-04-01), Jorgensen
patent: 4854280 (1989-08-01), Melchior
patent: 4998517 (1991-03-01), Kawamura
patent: 5014663 (1991-05-01), Melchior

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