Fuel Tank Withdrawal Insert With Reinforced Flange Mounting
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Solution Overview
Problem
Existing motor vehicle fuel tanks are mechanically weak in areas with inserts and have complex, costly manufacturing processes for fixing these inserts.
Innovation Solution
A motor vehicle tank design that incorporates a withdrawal insert member combining supply and return lines with a level sensor, fastened to a flange plate using a bayonet or screw lock, enhancing mechanical strength and simplifying manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate inserts (supply line, return line, level sensor) are mounted independently on the fuel tank wall, then each component can be accessed and replaced individually, but the mechanical strength of the tank wall is reduced and the manufacturing process becomes complex and costly
Solution Approach 1:
The patent combines multiple separate inserts (supply line insert, return line insert, level sensor insert) into a single integrated withdrawal insert assembly. This assembly includes a common mounting structure with multiple openings that accommodates all three components, thereby maintaining individual component accessibility while restoring mechanical strength to the tank wall by reducing the number of separate penetration points.
2Adaptability or versatility
If multiple separate inserts are mounted on the fuel tank wall, then each component can be installed independently, but the manufacturing process becomes complex and costly
Solution Approach 1:
The patent integrates multiple separate inserts into a single withdrawal insert assembly with a unified mounting structure. This reduces the number of separate mounting operations required during manufacturing, simplifies the production process, and lowers costs while still allowing independent installation and replacement of individual components through the common assembly structure.
3Adaptability or versatility
If multiple separate inserts are used in the fuel tank wall, then each component can be accessed separately, but the overall device complexity increases
Solution Approach 1:
The patent consolidates multiple separate inserts (supply line, return line, level sensor) into a single integrated withdrawal insert assembly. This reduces the overall device complexity by eliminating redundant mounting structures and fastening mechanisms, while maintaining the ability to access and service individual components through the unified assembly design.
Data Source
AI summary
A motor vehicle tank including a fuel tank for storing a fuel and a withdrawal insert inserted at an opening in a wall of the fuel tank, and a method of manufacturing such a motor vehicle fuel tank. The motor vehicle tank includes a fuel tank for storing fuel, the fuel tank having a wall with an opening, a withdrawal insert member operable for inserting at the opening, and a flange plate fastened to the wall of the fuel tank in a region of the opening of the wall. The withdrawal insert member includes at least one supply line for withdrawing fuel from the fuel tank for a consumer, at least one return line for returning withdrawn fuel via the at least one supply line to the fuel tank, and a level sensor operable to determine a level of fuel in the fuel tank. The flange plate includes a flange plate opening in the region of the opening of the wall, with a thread of a bayonet fastener or a thread of a screw fastener on the end-face edge of the flange plate opening. The withdrawal insert member has a corresponding mating element for the thread of the flange plate opening for fastening to the flange plate via the bayonet catch or the screw fastener.