| 摘要 |
The present invention relates to a bladder-free fuel tank (10), particularly a bladder-free fuel tank (10) having a reservoir on its inside area (12), limited to an outside area (14) by a double-walled structure (16). Said double-walled structure (16) comprises an outer wall (18) and an inner wall (20), further a rib structure (36, 56) comprising a plurality of ribs (36) extending inwardly into said inside area (12) of said bladder-free fuel tank (10) from said double-walled structure (16). |
