Dual spray cone electromagnetic fuel injector
This patent describes an electromagnetic gasoline fuel injector of the type having a housing means providing a fuel chamber therein intermediate the ends of the housing means and which is adapted to be supplied with fuel at a predetermined supply pressure. A fuel injection nozzle means is positioned in one end of the housing means and includes a spray tip means having at its free end a central axial passage from which fuel is to be discharged from the injector. An orifice director plate has orifice passages and a valve seat means with a central passage means. An armature valve means is operatively positioned relative to the passage means to control fuel flow therethrough. The improvement wherein the orifice director plate is of circular configuration and has an upstream surface and an opposed downstream surface with a central axis located coaxially relative to the axial passage of the spray tip means. The orifice plate has two sets of at least first, second and third orifice passages.
- Assignee:
- General Motors Corp., Detroit, MI
- Patent Number(s):
- US 4699323
- OSTI ID:
- 5853403
- Resource Relation:
- Patent File Date: Filed date 24 Apr 1986
- Country of Publication:
- United States
- Language:
- English
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