Fuel injector with orientation feature for orienting injector with respect to the manifold or head
US6651628B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2001 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Dec 4, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/852
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A top feed fuel injector for an internal combustion engine includes a housing; a fuel passage within the housing; an electrically controlled valve mechanism for controlling fuel flow through the fuel passage; and a radially extending protrusion on the housing, the radially extending protrusion configured to mate with a void in a manifold or head in which the fuel injector is inserted such that the fuel injector maintains its orientation with respect to the manifold or head. Another aspect of the invention is a top feed fuel injector for an internal combustion engine including a housing; a fuel passage within the housing; and an electrically controlled valve mechanism for controlling fuel flow through the fuel passage; wherein the housing defines a radially inwardly extending opening, the radially inwardly extending opening configured to mate with a protrusion on a manifold or head in which the fuel injector is inserted such that the fuel injector maintains its orientation with respect to the manifold or head. The invention results in a more precise alignment of the injector fuel spray with respect to the intake valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.