Recirculated exhaust gas control device for use in a diesel engi

Details Recirculated exhaust gas control device for use in a diesel engi Recirculated exhaust gas control device for use in a diesel engi

1978-01-18

1979-06-05

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041570812

ABSTRACT:
The present invention is directed to a to a diesel engine comprising a throttle valve disposed in an intake passage, which gradually opens in accordance with an increase in the level of the load of the engine. A recirculated exhaust gas conduit is also provided for recirculating a partial amount of the exhaust gas into the intake passage located at the downstream side side of the throttle valve so that the exhaust gas recirculation ratio could be reduced in accordance with an increase in the level of the engine load. In addition a solenoid valve is disposed in the recirculated exhaust gas conduit for stopping the recirculating of the exhaust gas when the engine is being operated under a heavy load.

REFERENCES:
patent: 3135253 (1964-06-01), Muhlberg
patent: 3906909 (1975-09-01), Garcea
patent: 3915134 (1975-10-01), Young et al.
patent: 3916857 (1975-11-01), Naito
patent: 4020809 (1977-03-01), Kern

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