Spark ignition type internal combustion engine with sub-combusti

Details Spark ignition type internal combustion engine with sub-combusti Spark ignition type internal combustion engine with sub-combusti

1998-05-20

2000-05-02

Wolfe, Wiiis R.

Internal-combustion engines

Precombustion and main combustion chambers in series

Two-cycle

123280, 123285, 123287, F02B 7502

Patent

active

060559543

ABSTRACT:
A spark ignition internal combustion engine includes a sub-combustion chamber in which gas mixture with an air-fuel ratio adapted for an operating state of the engine over a wide operating range of the engine is supplied to a combustion chamber. The amount of hydrogen carbide discharged is less and a high efficiency can be attained. The sub-combustion chamber of the internal combustion engine communicates with the main combustion chamber. Gas mixture injecting apparatus intermittently injects gas mixture into the sub-combustion chamber. Ignition devices are arranged in the sub-combustion chamber. The engine is constructed such that the sub-combustion chamber is eccentric in a sideward direction from an extending line of injecting direction of the gas mixture injecting apparatus and communicated with the main combustion chamber. The gas mixture injecting apparatus includes a pressure accumulating chamber adjacent to the sub-combustion chamber and to which pressure air is filled, the opening or closing valve to cause the pressure accumulating chamber to be communicated with the sub-combustion chamber in such a way that they may be opened or closed, and the fuel injecting valve for injecting fuel to the pressure accumulating chamber.

REFERENCES:
patent: 1719705 (1929-07-01), Kondo
patent: 1758460 (1930-05-01), Oberhaensli
patent: 3113561 (1963-12-01), Heintz
patent: 4186692 (1980-02-01), Kawamura et al.
patent: 4323039 (1982-04-01), Tsugekawa et al.
patent: 5085189 (1992-02-01), Huang et al.

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