Diesel engine intake port

Details Diesel engine intake port Diesel engine intake port

1997-09-12

1999-03-23

Okonsky, David A.

Internal-combustion engines

Valve

Valve seat relation

123306, F01L 300

Patent

active

058845984

ABSTRACT:
An intake port of a diesel engine comprises a straight part, a winding part and a cylindrical part. A connecting port connecting the winding part with the cylindrical part is formed at a height H from the roof of the combustion chamber. H=Rt.multidot..alpha..multidot.tan .theta., where Rt=radius of cylindrical part, .alpha.=angle subtended by the flowrate gravity center position and optimum inflow position of the connecting port at the center of the cylindrical part, .theta.=aspirated air descending angle in winding part. Due to this height setting, both swirl intensification and volume efficiency improvement are achieved.

REFERENCES:
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patent: 4308832 (1982-01-01), Okumura et al.
patent: 4366787 (1983-01-01), Gale
patent: 4574751 (1986-03-01), Sugiyama et al.
patent: 4745890 (1988-05-01), Wyczalek et al.
patent: 5713329 (1998-02-01), Absenger

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