To assist in maintaining a seal ring in a proper position in a fuel tank assembly, a retaining ring is utilized. The retaining ring surrounds the seal ring to provide a physical barrier to restrict the seal ring. The assembly includes a tank having an opening and a plurality of flanges located about
To assist in maintaining a seal ring in a proper position in a fuel tank assembly, a retaining ring is utilized. The retaining ring surrounds the seal ring to provide a physical barrier to restrict the seal ring. The assembly includes a tank having an opening and a plurality of flanges located about the opening, a fuel pump module, the retaining ring and a seal ring. The retaining ring is located within the plurality of flanges, positioned around the opening and the fuel pump module. The seal ring is located within the plurality of flanges, positioned around the opening and the fuel pump module such that in a radial direction the seal ring is positioned between the fuel pump module and the retaining ring, and in an axial direction the seal ring is positioned between the fuel pump module and the fuel tank.
대표청구항▼
1. An assembly for storing fuel, the assembly comprising: a tank having an opening and a plurality of flanges, the opening defined by a perimeter, the plurality of flanges located about the perimeter;a fuel pump module partially located within the opening;a retaining ring located within the pluralit
1. An assembly for storing fuel, the assembly comprising: a tank having an opening and a plurality of flanges, the opening defined by a perimeter, the plurality of flanges located about the perimeter;a fuel pump module partially located within the opening;a retaining ring located within the plurality of flanges, positioned around the opening and the fuel pump module;a seal ring, the seal ring located within the plurality of flanges, positioned around the opening and the fuel pump module such that in a radial direction the seal ring is positioned between the fuel pump module and the retaining ring, and in an axial direction the seal ring is positioned between the fuel pump module and the fuel tank,wherein the retaining ring includes a main body having a generally disc shaped form, the generally disk shaped form defined by a top surface, a bottom surface, an inner surface and an outer surface, a diameter of the inner surface being greater than an outer diameter of the seal ring; andthe retaining ring further includes one or more tabs extending away from the main body at the outer surface, the tabs having an upper surface and a lower surface, the upper surface of the tabs aligning with the top surface of the main body, and the lower surface of the tabs aligning with the bottom surface of the main body. 2. The assembly of claim 1, the tabs are generally L-shaped. 3. The assembly of claim 1, wherein a distal end of the tabs includes a locking portion, the locking portion extending away from the tab toward the main body of retaining ring. 4. The assembly of claim 1, wherein the plurality of flanges outnumber the tabs. 5. The assembly of claim 1, wherein the one or more tabs includes at least two tabs, the tabs located generally opposing each other on the retaining ring. 6. The assembly of claim 1, wherein, the one or more tabs includes only three tabs, two of the three tabs located adjacent each other on the retaining ring, and one of the three tabs located generally opposing the other two of the three tabs on the retaining ring. 7. The assembly of claim 1, further comprising: a lock ring located within the plurality of flanges, positioned around the opening and the fuel pump module, the lock ring including a plurality of lock tabs having a back edge;the retaining ring located between the tank and the lock ring; andthe each of one or more tabs of the retaining ring having a back edge, the back edge of the tabs of the retaining ring and the back edge of lock tabs are spaced apart circumferentially. 8. The assembly of claim 1, wherein the retaining ring is made of a flexible and elastic material. 9. The assembly of claim 1, wherein an inner diameter of the retaining ring is sufficiently larger than an outer diameter of the seal ring to allow a gap space between the retaining ring and the seal ring in the radial direction of the opening. 10. The assembly of claim 1, wherein, an inner diameter of the retaining ring is sufficiently larger than an outer diameter of the seal ring to allow a gap space between the retaining ring and the seal ring in the radial direction of the opening when the assembly is in a compressed condition. 11. The assembly of claim 1, wherein a thickness of the retaining ring is dimensioned to provide a gap space between the retaining ring and the fuel pump module in the axial direction of the opening. 12. The assembly of claim 1, wherein a thickness of the retaining ring is dimensioned to provide a gap space between the retaining ring and the fuel pump module in the axial direction of the opening when the assembly is in a compressed condition. 13. An apparatus for retaining a seal ring about an opening of a fuel tank, the apparatus comprising: a main body having a generally disc shaped form, the generally disk shaped form defined by a top surface, a bottom surface, an inner surface and an outer surface, a diameter of the inner surface being greater than an outer diameter of the seal ring; anda tab extending away from the main body at the outer surface, the tab being generally L-shaped, the tab having an upper surface and a lower surface, the upper surface of the tab aligning with the top surface of the main body, and the lower surface of the tab aligning with the bottom surface of the main body. 14. The apparatus of claim 13, further comprising: a locking portion extending away from a distal end of the tab towards the main body of retaining ring. 15. The apparatus of claim 13, further comprising: at least two tabs, the tabs located generally opposing each other on the main body. 16. The apparatus of claim 13, further comprising: at least three tabs, two of the three tabs located adjacent each other on the main body, and one of the three tabs located generally opposing the other two of the three tabs on the main body. 17. The apparatus of claim 13, wherein the outer surface includes a plurality of recesses. 18. A method of assembling a fuel tank assembly, the method comprising: providing a tank with an opening, a retaining ring, a seal ring, a fuel pump module and a lock ring;placing the retaining ring about the opening of the tank;engaging the retaining ring with the tank;placing the seal ring about the opening of the tank and within the retaining ring, after the retaining seal has been engaged with the tank;placing the fuel pump module within the opening of the tank;placing the lock ring around the fuel pump module; andengaging the lock ring with the tank.
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이 특허에 인용된 특허 (8)
Brandner, Brian W.; Kersey, Keith D.; Knueppel, Harald; Quick, Christopher K.; Yager, Jeffery L., Flange seal assembly.
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