Conduit Connection Wall With Integrated Fastening for Tight Fluid Joints
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Solution Overview
Problem
Existing connecting devices for fluid-carrying lines in motor vehicles fail to provide a reliable, fluid-tight, and cost-effective solution that can withstand high pressures and temperatures while also ensuring easy and stable fastening within the vehicle.
Innovation Solution
A connecting device with a dual-functional wall design that integrates a fluid-tight receiving area and an external fastening section, allowing for both integral connections like welding and positive/negative connections, using methods such as rotary friction welding, and featuring a ring-shaped configuration for effective fluid and fastening functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate fastening component is used to secure the connecting device, then the fastening stability is improved, but the device complexity and installation space increase
Solution Approach 1:
The patent combines the fastening function directly into the wall structure of the connection device by forming fastening sections (protrusions or recesses) as integral parts of the wall. This eliminates the need for separate fastening components while maintaining secure attachment capability, thus reducing device complexity and installation space while preserving fastening stability
Solution Approach 2:
The wall structure serves multiple functions: it provides the structural boundary, contains the fluid-carrying line, and simultaneously provides fastening sections for securing the device. This multi-functionality reduces the number of separate components needed while maintaining reliable fastening
2Reliability
If a separate fastening component is used to secure the connecting device, then the fastening stability is improved, but the installation space and assembly complexity increase
Solution Approach 1:
The fastening sections are formed as integral parts of the wall structure, eliminating the need for separate fastening components. This simplifies the assembly process to a single operation while maintaining secure fastening, thus improving ease of operation without sacrificing fastening stability
Solution Approach 2:
The wall is segmented to include integrated fastening sections (protrusions or recesses) that can engage with corresponding features on the mounting surface. This segmentation allows for simple snap-in or form-fit connections that are both stable and easy to assemble
3Reliability
If the inner surface defines the receiving area for the fluid-carrying line, then the fluid-tight connection is improved, but the structural strength may be reduced
Solution Approach 1:
The wall thickness is optimized with different local qualities: the inner surface is designed with precise geometry to define the receiving area and ensure fluid-tight connection, while the outer surface includes thickened fastening sections that provide enhanced structural strength for secure mounting. This local differentiation allows both fluid-tightness and structural strength to be achieved simultaneously
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device achieves a stable, fluid-tight connection and effective fastening, reducing installation space and simplifying the connection process, while ensuring durability and cost-effectiveness by using a single-piece construction and snap-in connections for enhanced stability.
Implementation Method 1
In a rotary friction welding process, the joining device is rotated, particularly relative to the fluid-carrying conduit. The heat generated during this process partially melts the fluid-carrying conduit, and after cooling, an effective connection is formed between the fluid-carrying conduit and the joining device.
Data Source
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AI summary
The present invention relates to a connecting device (100) for connecting fluid-carrying lines (300), with a line connection (101) formed on an end face (102) of the connecting device (100), wherein the line connection (101) has a wall (107), wherein the wall (107) has an inner wall surface (121) which defines a receiving area (111) configured to receive a fluid-carrying line (300), and wherein the wall (107) has an outer wall surface (123); and at least one fastening section (125-1, 125-2, 131) formed on the outer wall surface (123), which is connectable to at least one fastening element for fastening the connecting device (100).