Intake and exhaust manifold system for internal combustion engin

Details Intake and exhaust manifold system for internal combustion engin Intake and exhaust manifold system for internal combustion engin

1975-01-20

1976-11-30

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

60282, 60322, 123 32SP, 123 52M, 123122AC, F02B 1910

Patent

active

039942716

ABSTRACT:
A manifold system for a multi-cylinder internal combustion piston engine has an intake manifold for supplying a lean mixture to the main combustion chambers of the engine and a rich mixture to the auxiliary combustion chambers thereof. In such an engine, each main combustion chamber is connected to its respective auxiliary combustion chamber through a torch opening. The manifold system also includes an exhaust manifold having improved means for heating the lean mixture and the rich mixture in the intake manifold, and constructed to provide a longer residence time for the exhaust gases and to promote a high mean temperature so that the chemical reaction between the excess air and carbon monoxide and unburned hydrocarbons may add additional heat, to the end that exhaust emissions to the atmosphere of carbon monoxide and unburned hydrocarbons are minimized.

REFERENCES:
patent: 1777472 (1930-10-01), Mock et al.
patent: 3543736 (1970-12-01), Suzuki et al.
patent: 3703083 (1972-11-01), Tadokoro
patent: 3799196 (1974-03-01), Scheitlin
patent: 3895617 (1975-07-01), Sakurai

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