Deceleration control apparatus for a multi-cylinder internal combustion engine
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsYoshitaka Hibino, Syunzaburo Ozaki
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Abstract
Deceleration control apparatus including a device for closing the throttle valve beyond its idling position during deceleration and a device for supplying secondary air to the intake passage downstream of the throttle valve at the same time. The air supply device includes an air supply opening directly in part of the diverged passages downstream of the first diverged portion of the intake manifold.
Claims6
A deceleration control apparatus in a multi-cylinder engine, an intake passage including an intake manifold connected to respective cylinders of a multi-cylinder engine, said intake manifold including at least one diverging portion and a plurality of diverged passages downstream thereof, said apparatus comprising valve closing means for closing a throttle valve in the intake passage beyond an idling position thereof at the time of deceleration, and an air supply means for supplying secondary air to the intake passage, characterized in that the air supply means includes an air supply opening directly in only one of said diverged passages on the downstream side of said diverging portion of the intake manifold.
Dependencies are inferred from the claim text.