Internal combustion piston engine including a cylinder having a

Details Internal combustion piston engine including a cylinder having a Internal combustion piston engine including a cylinder having a

1984-04-25

1984-12-04

Lall, Parshotam S.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having specific connecting passage means between...

123279, 123193P, 123661, F02B 1904

Patent

active

044857799

ABSTRACT:
An internal combustion piston engine comprises a cylinder with a cylinder bore therein; a cylinder head mounted on said cylinder; a piston reciprocably movable in said cylinder bore, and a main combustion chamber formed between the cylinder head and the piston. At least one secondary combustion chamber is arranged to be connected at least temporarily to the main combustion chamber via at least one connecting channel whereby different compressions and hence different pressure rises occur during the compression stroke or the expansion stroke of the piston in the main combustion chamber or in the secondary combustion chamber. Control means are arranged in the zone of the connecting channel to enable the flow of the gases, which are under a higher pressure, from the main combustion chamber into the secondary combustion chamber or vice versa, to generate velocity fields which improve the turbulence, in particular in the quench zones of the main combustion chamber, and hence improve the combustion.

REFERENCES:
patent: 2222440 (1940-11-01), Nawman
Decision of German Patent Board: "Bundes patent gericht", Beschluss, betreffend die Patentanmeldung, P2908756.7-13, Nov. 30, 1983, Munchen, Germany.

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