Apparatus for the recirculation of the exhaust gases of internal

Details Apparatus for the recirculation of the exhaust gases of internal Apparatus for the recirculation of the exhaust gases of internal

1978-01-30

1980-03-11

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041922646

ABSTRACT:
An apparatus for recycling the exhaust gases of internal combustion engines for antipollution purposes, in particular oxides of nitrogen. A regulator valve is connected upstream of a main valve, the opening of which is controlled as a function of the air supply to the motor, in the conduit for recirculation of the exhaust gases and is controlled with respect to closure by the difference between the pressures upstream and downstream of the needle or valve of the main valve against a spring acting in the direction for opening the valve. Antipollution control in internal combustion engines is provided by the modulated recycling of exhaust gases.

REFERENCES:
patent: 3802402 (1974-04-01), Swatman
patent: 3977381 (1976-08-01), Fusikawa et al.
patent: 4027638 (1977-06-01), Moriya et al.
patent: 4073202 (1978-02-01), Aoyama et al.

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