Spark ignition internal combustion engine

Details Spark ignition internal combustion engine Spark ignition internal combustion engine

1996-10-11

1998-11-10

Wolfe, Willis R.

Internal-combustion engines

Precombustion and main combustion chambers in series

With ignition means particularly positioned relative to...

123289, F02B 1904, F02B 1912

Patent

active

058328920

ABSTRACT:
A spark ignition internal combustion engine with improved anti-knocking function. The engine comprises: a cylinder; a cylinder head attached to an end of the cylinder; a piston slidably mounted in the cylinder, a center line of a piston pin of the piston is shifted on the thrust side of the piston with respect to a center line of an outer periphery of the piston; a main combustion chamber with an ignition plug; and a sub-combustion chamber with an inlet opening on an inner wall of the main combustion chamber facing an outer surface of the piston on the anti-thrust side thereof, area of the inlet opening is smaller than that of the outer surface.

REFERENCES:
patent: 4011841 (1977-03-01), Sato et al.
patent: 4078533 (1978-03-01), Nohira
patent: 4483289 (1984-11-01), Paul et al.
patent: 5076229 (1991-12-01), Stanley
patent: 5307773 (1994-05-01), Suzuki
Satoshi Kato and Shigeru Onishi, SAE (Society of Automotive Engineers) Paper No. 871689, 1987, "New Mixture Formation Technology of Direct Fuel Stratified Combustion SI Engine (OSKA)".
Shoji Kanai et al, The trade journal `Nainen kikan` (Internal Combustion Engines), Tokyo, Sankai-do Publishing, Jan. 1991 P44.about.47, "Evaluation of Piston".
Shinji Kojima, `Nainen kikan` (Internal Combustion Engines), Tokyo, Sankai-do Publishing, Feb. 1990 P35.about.43, "Present Stage of Knock Reserch".

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