Turbocompounded two-stroke piston engines

Details Turbocompounded two-stroke piston engines Turbocompounded two-stroke piston engines

1989-10-27

1990-07-10

Okonsky, David A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Two-cycle

123286, 123 48D, 123 65VD, F02B 7502

Patent

active

049400290

ABSTRACT:
The cylinder head (401) of a turbocompounded 2-stroke piston engine incorporates, for each cylinder (400), an indirect combustion chamber (402) which is connected to the cylinder clearance volume (413) by a passage (412). The indirect combustion chamber (402) incorporates the inlet valve (408) so that when the valve opens, turbocharging air flows into the cylinder through the chamber (402) and the passage (412). This allows a large proportion of the cylinder head area to be devoted to the exhaust valves (410), with advantages in good scavenging and maximising mass flow rates through the cylinder.

REFERENCES:
patent: 2048223 (1936-07-01), Scott
patent: 3113561 (1963-12-01), Heintz
patent: 3270722 (1966-09-01), Bernard
patent: 4162662 (1979-07-01), Melchior
patent: 4202300 (1980-05-01), Skay

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