Air intake system for diesel engine

Details Air intake system for diesel engine Air intake system for diesel engine

1979-04-25

1980-11-04

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

042313376

ABSTRACT:
An air intake system for a Diesel engine has an air intake passage defined by a tubular wall in which EGR openings are formed for the recirculation of engine exhaust gases. The rate of the flow of the exhaust gases through the EGR openings is controlled by EGR valve which is rotatable with a throttle valve disposed in the air intake passage. Either when the engine temperature is lower than a predetermined temperature level or when the vacuum in the air intake passage downstream of the throttle valve with the latter being in its idle position exceeds a predetermined vacuum level in absolute value, either a bypass passage is open or the throttle valve is moved from the idle position to a more opened position, whereby the engine intake air is increased.

REFERENCES:
patent: 3135253 (1964-06-01), Muhlberg
patent: 3916857 (1975-11-01), Naito et al.
patent: 3934564 (1976-01-01), Barnert
patent: 3954091 (1976-05-01), Stump
patent: 4011845 (1977-03-01), Mayer et al.
patent: 4020809 (1977-05-01), Kern et al.
patent: 4031873 (1977-06-01), Banzhaf et al.
patent: 4043304 (1977-08-01), Stump et al.
patent: 4075994 (1978-02-01), Mayer et al.
patent: 4157081 (1979-06-01), Wake et al.

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