Apparatus for the feedback of exhaust gases in an internal combu

Details Apparatus for the feedback of exhaust gases in an internal combu Apparatus for the feedback of exhaust gases in an internal combu

1988-09-23

1990-01-23

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123587, F02M 2506, F02D 902

Patent

active

048951250

ABSTRACT:
An internal combustion engine has an intake gas conduit; an output setting member disposed in the intake gas conduit and arranged for controlling therein the flow of intake gas; an exhaust gas conduit; a throttle member disposed in the intake gas conduit upstream of the output setting member; a bypass conduit having an inlet end coupled to the intake gas conduit upstream of the throttle member and an outlet end coupled to the intake gas conduit downstream of the throttle member; an exhaust gas feedback conduit having an inlet end coupled to the exhaust gas conduit and an outlet end coupled to the bypass conduit; and a control arrangement for setting positions of the throttle member as a function of an operational parameter of the internal combustion engine for directing a quantity of intake air into the bypass conduit as a function of the operational parameter.

REFERENCES:
patent: 4079710 (1978-03-01), Moriya et al.
patent: 4223650 (1980-09-01), Herbert
patent: 4231337 (1980-11-01), Kuwahara et al.
patent: 4249503 (1981-02-01), Noguchi et al.
patent: 4304210 (1981-12-01), Hayakawa
patent: 4430982 (1984-02-01), Diaz
patent: 4546751 (1985-10-01), Jarnuszkiewicz et al.
patent: 4546752 (1985-10-01), Blaser et al.
patent: 4637366 (1987-01-01), Cowles

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