Air-compressing, direct-injection internal combustion engine

Details Air-compressing, direct-injection internal combustion engine Air-compressing, direct-injection internal combustion engine

1982-05-27

1985-02-26

Lazarus, Ira S.

Internal-combustion engines

Precombustion and main combustion chambers in series

With injection means particularly positioned relative to...

123276, 123279, F02B 2306

Patent

active

045012393

ABSTRACT:
An air-compressing, direct injection internal combustion engine in which the piston is formed with a combustion chamber in the shape of a solid of revolution and a constricted throat opening, and where mixture formation is predominantly by fuel deposition on the walls of the combustion chamber. The function of the internal combustion engine is proposed to be improved so that, by influencing the squish flow occurring as air in inducted into the combustion chamber, improved performance is obtained, especially in the lower and medium speed ranges of the engine. According to the new proposal, this is essentially achieved by forming the throat opening with an oval cross-section, adopting defined fuel jet directions when injecting the fuel, as well as keeping the location of the fuel discharge point within a defined area.

REFERENCES:
patent: 3809031 (1974-05-01), Meurer et al.
patent: 3814066 (1974-06-01), Lohr
patent: 4294206 (1981-10-01), Urlaub et al.
patent: 4401071 (1983-08-01), Zurner et al.

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