Exhaust gas recirculation for emissions control

Details Exhaust gas recirculation for emissions control Exhaust gas recirculation for emissions control

1974-02-21

1977-05-03

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02B 2506

Patent

active

040208087

ABSTRACT:
Exhaust gas from an internal combustion piston engine is recirculated through a rich mixture auxiliary intake passage leading to an auxiliary combustion chamber. A valve controls the relative proportions of exhaust gas and air supplied to the auxiliary intake passage, and the valve is controlled by means responsive to suction pressure downstream from the auxiliary throttle valve, and is also responsive to movement of that throttle valve.

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), Holzupfel
patent: 3799130 (1974-03-01), Dahlstrom
patent: 3809039 (1974-05-01), Alquist
patent: 3941105 (1976-03-01), Yagi et al.

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