초록 ▼

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 surfac

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.

대표청구항 ▼

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 facin

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.