Intake device of an internal combustion engine
An intake device is described of an internal combustion engine having at least one cylinder equipped with a first intake valve and a second intake valve, which are arranged adjacent to each other, the intake device comprising: an intake passage which is common to the first intake valve and the second intake valve; a dividing wall extending in the intake passage from a position between the first intake valve and the second intake valve towards a point upstream of the intake passage and dividing the intake passage into a first straight passage and a second straight passage, the dividing wall having an upstream end which is furthest from both the first intake valve and the second intake valve; a separating wall projecting downward from an upper wall of the intake passage and having a bottom wall which is spaced from a bottom wall of the intake passage, the separating wall extending in the intake passage from a position upstream of the upstream end of the dividing wall towards a point upstream of the intake passage along an axis of the first straight passage; valve means arranged between the separating wall and a side wall of the intake passage, which is located on the second straight passage side, and actuating means actuating the valve means in response to a load of the engine to open the valve means when the load of the engine is higher than a predetermined load and close the valve means when the load of the engine is lower than the predetermined load.
- Assignee:
- Toyota Jidosha Kabushiki Kaisha, Aichi
- Patent Number(s):
- US 4762102
- OSTI ID:
- 7018265
- Resource Relation:
- Patent File Date: Filed date 30 Sep 1987
- Country of Publication:
- United States
- Language:
- English
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