Electrostatic charge control for in-tank fuel module components
View Patent ↗A flange arrangement for a fuel module comprising a non-conductive flange member to connect the fuel module to a fuel tank includes tube posts that each connect to a conductive support tube, a conductive web in conductive contact with the support tubes and a conductive fuel supply port in conductive contact with the web. In one embodiment, the web and port are integral. In another, the web and port are separate parts. The flange arrangement is made of polymeric material and the web and port are overmolded into the flange.
1. A fuel module comprising:
a non-conductive flange connecting said fuel module to a fuel tank, said flange formed of a polymeric material;
a conductive fuel supply port mounted to said flange including a portion connected to ground outside said tank;
a conductive support tube mounted to said flange; and
a conductive web in conductive contact with said fuel supply port and said support tube.
2. The fuel module of claim 1 further including a conductive hose connected to said fuel supply port outside the tank.
3. The fuel module of claim 1 wherein 1 said conductive web is formed of a conductive polymer and said polymeric material forming said flange is acetal,
4. The fuel module of claim 2 wherein said polymeric material forming said flange is acetal,
5. The fuel module of claim 1 wherein said flange is overmolded around said web.
6. The fuel module of claim 2 wherein said conductive polymer forming said web is a polymeric material mixed with a conductive filler.
7. The fuel module of claim 6 wherein said polymeric material of said conductive polymer forming said web is acetal.
8. The fuel module of claim 6 wherein said polymeric material of said conductive polymer forming said web is the same polymeric material forming said flange.
9. The fuel module of claim 6 wherein said conductive filler additive of said conductive polymer forming said web is carbon fiber.
10. The fuel module of claim 6 wherein said conductive filler additive of said conductive polymer forming said web is carbon fibrils.
11. The fuel module of claim 1 wherein said conductive support tube is made of metal.
12. The fuel module of claim 1 wherein said conductive support tube is formed of a conductive polymer.
13. The fuel module of claim 1 further comprises a metal coil spring surrounding said support tube, said conductive web is in conductive contact with said coil spring.
14. The fuel module of claim 1 further comprises a second conductive support tube attached to said flange.
15. The fuel module of claim 14 wherein said second conductive support tube is made of metal.
16. The fuel module of claim 14 wherein said second conductive support tube is formed of a conductive polymer.
17. The fuel module of claim 14 further comprises a metal coil spring surrounding said second support tube, said conductive web is in conductive contact with said coil spring.
18. The fuel module of claim 1 wherein said conductive fuel supply port is formed of a conductive polymer.
19. A fuel module comprising:
a flange adapted to connect said fuel module to a fuel tank, said flange formed of a polymeric material;
a conductive fuel supply port mounted to said flange;
a conductive support tube mounted to said flange; and
a conductive web in conductive contact with said fuel supply port and said support tube wherein said conductive web is integral with said port.
20. The fuel module of claim 19 wherein said port includes a cylindrical base and two legs extending outward from the cylindrical base.
21. The fuel module of claim 19 wherein said conductive web is formed separate from said port.
22. The fuel module of claim 21 wherein said conductive web defines a hole for receiving said port.
23. The fuel module of claim 21 wherein said conductive web includes a central body, said hole for receiving said port is defined in said central body.
24. The fuel module of claim 23 wherein said central body is ring shaped.
25. The fuel module of claim 23 wherein said conductive web further includes two legs extending outward from said central body.
26. The fuel module of claim 22 wherein said port includes a plurality of fingers adapted to secure said port to said web.
27. The fuel module of claim 22 wherein said port snaps into said hole defined in said conductive web.
28. A fuel module comprising:
a flange adapted to connect said fuel module to a fuel tank, said flange formed of a polymeric material;
a conductive fuel supply port mounted to said flange;
a conductive support tube mounted to said flange; and
a conductive web in conductive contact with said fuel supply port and said support tube wherein said flange includes a tube post defining a bore, said conductive support tube is inserted in said bore of said tube post and wherein said web defines at least one end, said at least one end of said web is exposed in said bore of said tube post for contact with said conductive support tube inserted in said bore of said tube post.
29. The fuel module of claim 28 wherein said tube post includes a wall having an internal cylindrical surface defining said bore.
30. The fuel module of claim 29 wherein said wall is a tubular shaped wall.
31. The fuel module of claim 29 wherein said at least one end of said web extends through said wall of said post.
32. The fuel module of claim 29 wherein said wall is overmolded around the portion of said web extending through said wall.
33. The fuel module of claim 32 wherein said wall defines a notch extending therethrough for receiving said web.
34. The fuel module of claim 28 wherein said flange includes a second tube post defining a bore, a second conductive support tube is inserted in said bore of said second tube post, said web defines a second end, said second end of said web is exposed in said bore of said second tube post for contact with said second conductive support tube inserted in said bore of second tube post.