Exhaust gas recirculation for three-valve engine

Details Exhaust gas recirculation for three-valve engine Exhaust gas recirculation for three-valve engine

1973-11-08

1976-03-02

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 32ST, 123 75B, 123127, F02M 2506

Patent

active

039411052

ABSTRACT:
A three-valve stratified-charge internal combustion piston engine has an auxiliary combustion chamber connected to each main combustion chamber through a torch nozzle. A rich mixture is supplied to the auxiliary chamber and a lean mixture is supplied to the main chamber. A portion of the exhaust gases from the main chamber is recirculated through a control valve to mix with the rich mixture supplied to the auxiliary chamber. For loaded conditions of the engine, additional exhaust gases from the main chamber are recirculated through a control valve to mix with the lean mixture supplied to the main chamber. The control valves are automatically operated by means responsive to engine operating conditions.

REFERENCES:
patent: 3294073 (1966-12-01), Bressan
patent: 3408992 (1968-11-01), Von Seggern et al.
patent: 3612020 (1971-10-01), Moulds
patent: 3633553 (1972-01-01), Holzapfel
patent: 3799130 (1974-03-01), Dahlstrom
patent: 3809039 (1974-05-01), Alquist

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