A fuel injection system includes a fuel injector socket including a first attachment feature and a fuel injector including a second attachment feature that corresponds with the first attachment feature. The first attachment feature engages with the second attachment feature connecting the fuel injec
A fuel injection system includes a fuel injector socket including a first attachment feature and a fuel injector including a second attachment feature that corresponds with the first attachment feature. The first attachment feature engages with the second attachment feature connecting the fuel injector to the fuel injector socket and preventing rotational movement of the fuel injector relative to the fuel injector socket. The corresponding attachment features not only enable simple connection and disconnection of a fuel injector to a fuel injector socket of a fuel rail, but can also be integrated into existing injector to fuel rail assembly processes and are applicable in any fuel injection system. The corresponding attachment features may be used with metal fabricated fuel rail assemblies as well as for fuel rail assemblies where the manifold supply tube and the fuel injector sockets are overmolded with a plastic material.
대표청구항▼
What is claimed is: 1. A fuel injection system, comprising: a fuel injector socket including a primary slot including a first, a second, and a third segment; and a fuel injector including a corresponding primary projection extending outward from an outer surface of said fuel injector, wherein said
What is claimed is: 1. A fuel injection system, comprising: a fuel injector socket including a primary slot including a first, a second, and a third segment; and a fuel injector including a corresponding primary projection extending outward from an outer surface of said fuel injector, wherein said primary projection is received by said primary slot, and wherein said primary projection engages with said primary slot connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 2. A fuel injection system, comprising: a fuel injector socket including a primary slot including a first, a second, and a third segment; and a fuel injector including a corresponding primary projection extending outward from an outer surface of said fuel injector, wherein said primary projection travels within said primary slot from said first segment to a locking position at the bottom of said third segment, and wherein said primary projection engages with said primary slot connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 3. The fuel injection system of claim 2, wherein said fuel injector socket further includes a secondary slot positioned opposite from said primary slot, wherein said fuel injector further includes a corresponding secondary projection positioned opposite from said primary projection, and wherein said secondary projection travels within said secondary slot to a supporting position. 4. A fuel injection system, comprising: a fuel injector socket including a body having an open end, said fuel injector socket further including a primary tab including an opening in fluid communication with a groove, said primary tab extending beyond said open end of the body of said fuel injector socket; and a fuel injector including a corresponding primary projection extending outward from an outer surface of said fuel injector, wherein said primary projection is received by said opening, and wherein said primary projection engages with said primary tab connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 5. A fuel injection system, comprising: a fuel injector socket including a primary tab including an opening in fluid communication with a groove and extending beyond the body of said fuel injector socket; and a fuel injector including a corresponding primary projection extending outward from an outer surface of said fuel injector, wherein said primary projection moves through said opening to a locking position in said groove, and wherein said primary projection engages with said primary tab connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 6. The fuel injection system of claim 5, wherein said fuel injector socket further includes a secondary tab positioned opposite from said primary tab and including a secondary opening, wherein said fuel injector further includes a corresponding secondary projection positioned opposite from said primary projection, and wherein said secondary projection moves through said secondary opening to a supporting position. 7. A fuel injection system, comprising: a fuel injector socket including a first tab including a first void and a second tab including a second void; and a fuel injector including a first corresponding projection and a second corresponding projection, wherein said first void receives and encloses said first projection, wherein said second void receives and encloses said second projection, wherein said first and second projections engage with said corresponding first and second tabs connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 8. The fuel injection system of claim 7, wherein said first and second projection is a hook extending downward in axial direction from an outer surface of said fuel injector and including an inward pointed tip. 9. A fuel injection system, comprising: a fuel injector socket including a first tab including a first inward oriented lip and a second tab including a second inward oriented lip; and a fuel injector including a first corresponding notch and a second corresponding notch, wherein said first notch receives said first lip, wherein said second notch receives said second lip, wherein said first and second notches engage with said corresponding first and second tabs connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 10. A fuel injector to fuel rail connection, comprising: a fuel injector including a primary projection extending outward from an outer surface of said fuel injector; and a fuel injector socket having an open end that receives said fuel injector and including a corresponding primary slot having a first, a second, and a third segment; and wherein said primary projection is received by said primary slot. 11. The fuel injector to fuel rail connection of claim 10 wherein said primary projection travels within said primary slot from said first segment to a locking position at the bottom of said third segment connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 12. The fuel injector to fuel rail connection of claim 10, wherein said first segment extends upwards in axial direction from said open end, wherein said second segments extends radially from said first segment, wherein said third segment extends downwards in axial direction from said second segment to said bottom, and wherein said first, second and third segment are in fluid communication with each other. 13. The fuel injector to fuel rail connection of claim 10, wherein said third segment forms an orientation stopper that prevents said rotational movement. 14. The fuel injector to fuel rail connection of claim 10, wherein said fuel injector socket further includes a secondary slot positioned opposite from said primary slot and including a first segment and a second segment, wherein said first segment extends upwards in axial direction from said open end, wherein said second segments extends radially from said first segment, wherein said fuel injector further includes a corresponding secondary projection positioned opposite from said primary projection, and wherein said secondary projection is received by said secondary slot. 15. The fuel injector to fuel rail connection of claim 14 wherein said secondary projection travels within said secondary slot to a supporting position within said second segment. 16. A fuel injector to fuel rail connection comprising: a fuel injector including a primary projection extending outward from an outer surface of said fuel injector; and a fuel injector socket having an open end that receives said fuel injector and including a corresponding primary tab including an opening in fluid communication with a groove, said primary tab extending beyond said open end in an axial direction; wherein said primary projection is received by said primary tab. 17. The fuel rail injector connection of claim 16 wherein said primary projection moves through said opening to a locking position in said groove connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 18. The fuel injector to fuel rail connection of claim 16, wherein said groove extends below said opening and forms an orientation stopper that prevents said rotational movement. 19. The fuel injector to fuel rail connection of claim 16, wherein said fuel injector socket further includes a secondary tab positioned opposite from said primary tab and including a secondary opening, wherein said secondary tab extends beyond said open end of said fuel injector socket, wherein said fuel injector further includes a corresponding secondary projection positioned opposite from said primary projection, and wherein said secondary projection is received by said secondary tab. 20. The fuel injector to fuel rail connection of claim 19 wherein said secondary projection moves through said secondary opening to a supporting position. 21. A fuel injector to fuel rail connection, comprising: a fuel injector including a first projection and a second projection positioned opposite from said first projection, said first and second projection extending outward from an outer surface of said fuel injector; and a fuel injector socket having an open end that receives said fuel injector and including a first corresponding tab including a first void and a second corresponding tab positioned opposite from said first tab and including a second void, said first and second tab extending beyond said open end in axial direction; wherein said first void receives and encloses said first projection and wherein said second void receives and encloses said second projection connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 22. The fuel injector to fuel rail connection of claim 21, wherein said first tab and said second tab are flexible, and wherein said first tab and said second tab each include a ramp that extends axially below said first void and said second void, respectively, wherein said ramp is bent outward. 23. The fuel injector to fuel rail connection of claim 21, wherein said first and second projection is a hook extending downward in axial direction from said outer surface of said fuel injector and including an inward pointed first and second tip respectively, and wherein said first and second tip engage said first and second tab. 24. A fuel injector to fuel rail connection, comprising: a fuel injector including a first notch, a second notch positioned opposite from said first notch, a first flat sidewall positioned between said first notch and said second notch, a second flat sidewall positioned opposite from said first sidewall, and an annular groove positioned below said first and second notch; and a fuel injector socket having an open end that receives said fuel injector and including a first corresponding tab including a first inward oriented lip and a second corresponding tab positioned opposite from said first tab and including a second inward oriented lip, said first and second tab being integrated within said fuel injector socket; wherein said first notch receives and engages said first lip, and wherein said second notch receives and engages said second lip connecting said fuel injector to said fuel injector socket and preventing rotational movement of said fuel injector relative to said fuel injector socket. 25. The fuel injector to fuel rail connection of claim 24, wherein said annular groove receives said first and second lip, wherein said first and second lip move within said annular groove until lined up with said first and second sidewall, and wherein said first and second lip slide over said first and second sidewall, respectively, during a downward movement of said fuel injector relative to said fuel injector socket. 26. The fuel injector to fuel rail connection of claim 24, wherein said first and second notch is integrated in the body of said fuel injector below an o-ring.
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이 특허에 인용된 특허 (11)
Joseph Edward Scollard ; Stephen C. Bugos, Clip for attachment of fuel supply assembly.
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