Fuel filler door module
View Patent ↗A tank flap module is provided for installation in a motor vehicle having a basin, which in the region of an elastically deformable floor section has a passage opening for receiving a fuel filler neck. The floor section adjoining the passage opening on a side facing the fuel filler neck has a surface structure provided for reducing the adhesive and/or sliding friction properties.
1. A tank flap module for installation in a motor vehicle, comprising:
a basin comprising an elastically deformable floor section defining a passage opening that is configured to receive a fuel filler neck,
wherein the elastically deformable floor section adjoining the passage opening on a side facing the fuel filler neck comprises a roughened surface structure.
2. The tank flap module according to claim 1 , wherein the basin is a two-component plastic injection molding.
3. The tank flap module according to claim 1 , wherein the basin comprises an outer pot part adjoined by the elastically deformable floor section to the inside.
4. The tank flap module according to claim 1 , wherein the elastically deformable floor section is completely provided with roughened surface structure.
5. The tank flap module according to claim 1 , wherein the elastically deformable floor section is a bellows-like grommet adjoining the passage opening.
6. The tank flap module according to claim 3 , wherein the basin in the region of the elastically deformable floor section comprises an elastomer and in a second region of the outer pot part comprises a polypropylene.
7. The tank flap module according to claim 1 , wherein the elastically deformable floor section comprises a ethylene propylene diene rubber.
8. The tank flap module according to claim 4 , wherein the roughened surface structure of the elastically deformable floor section is textured.
9. The tank flap module according to claim 4 , wherein the roughened surface structure is introduced into the elastically deformable floor section by an injection molding.
10. The tank flap module according to claim 4 , wherein the roughened surface structure is introduced in the elastically deformable floor section by an etching.
11. The tank flap module according to claim 1 , wherein the roughened surface structure has a mean roughness Ra of approximately 1 μm to approximately 10 μm.
12. The tank flap module according to claim 1 , wherein the roughened surface structure has a texture with a mean roughness value between approximately 4.5 μm and approximately 6.3 μm.
13. The tank flap module according to claim 1 , wherein the roughened surface structure has a mean roughness Ra of approximately 2 μm to approximately 7 μm.
14. The tank flap module according to claim 1 , wherein the roughened surface structure has a mean roughness Ra of approximately 3 μm to approximately 6 μm.
15. The tank flap module according to claim 1 , wherein the roughened surface structure has a mean peak to valley height between approximately 25 μm and approximately 37 μm.
16. The tank flap module according to claim 1 , wherein the friction is a sliding friction.
17. The tank flap module according to claim 1 , wherein the friction is an adhesive friction.
18. The tank flap module according to claim 1 , wherein the roughened surface structure of the elastically deformable floor section is roughened.
19. The tank flap module according to claim 1 , wherein the roughened surface structure of the elastically deformable floor section is grooved.
20. The tank flap module according to claim 1 , wherein the roughened surface structure of the elastically deformable floor section is knurled.