Fuel injection supply system for multi-cylinder internal combustion engine
This patent describes a fuel injection supply system for an internal combustion engine having an even number of more than four cylinders, an intake throttling valve means disposed in an intake passage substantially midway between each combustion chamber intake port and air cleaner outlet, a first intake manifold connected to a first cylinder group comprising one half of all of the cylinders, a second intake manifold connected to a second cylinder group comprising the other half of the cylinder. A passage collector means collects the intake passages so as to communicate the intake ports of the first and second manifolds with each other. A first fuel supply means disposed at a converging portion of the first intake manifold and a second fuel supply means disposed at a converging portion of the second manifold means comprises a fuel injection valve, a fuel atomizing means including a tubular hollow vibrating piece, a vibrating driver means and a horn means for connecting the vibrating piece with the vibrating driver means, a cylindrical intake pipe member forming a part of the intake passage and having a hole for accommodating the horn member, a cylindrical housing extending radially outwardly of the cylindrical intake pipe member for receiving the fuel injection valve means, the cylindrical housing having a fuel injection aperture at the bottom thereof for enabling a passing of fuel into the cylindrical pipe member, and fuel passage means for respectively supply fuel thereto and returning fuel therefrom, the vibrating driver means being mounted on an outer surface of the pipe member for locating the vibrating piece at a central portion of the pipe member opposite to the fuel injection aperture.
- Assignee:
- Hitachi Ltd., Tokyo
- Patent Number(s):
- US 4716879
- OSTI ID:
- 5421521
- Resource Relation:
- Patent File Date: Filed date 26 Mar 1986
- Country of Publication:
- United States
- Language:
- English
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