Connector Heating Wire Alignment Removal
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Solution Overview
Problem
The existing tubing designs for motor vehicle fluid mediums, particularly aqueous urea solutions, require elaborate and costly alignment elements for heating wires, increasing manufacturing costs and arrangement efforts.
Innovation Solution
A tubing design without alignment elements for the heating wire, where the heating wire is positioned externally and an internal heat conducting element transfers heat to the connecting part, reducing manufacturing costs and allowing for use in both heated and unheated applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If alignment elements are provided for aligning the heating wire on the connecting part, then the heating wire arrangement is facilitated and heat distribution is improved, but the manufacturing cost and arrangement effort increase significantly
Solution Approach 1:
The patent removes the alignment elements from the connecting part design. Instead of providing grooves or structures to guide the heating wire, the heating wire is simply placed on the outer side of the connecting part without any alignment features. This extraction of unnecessary components directly reduces manufacturing complexity and cost while maintaining sufficient heating functionality.
Solution Approach 2:
Instead of guiding the heating wire through alignment elements on the connecting part, the patent inverts the approach by allowing the heating wire to be freely positioned on the outer side. The inversion lies in moving from a constrained alignment approach to an unconstrained placement approach, thereby eliminating the need for complex alignment structures.
2Ease of operation
If alignment elements are integrated into the connecting part, then the heating wire positioning is simplified, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts and removes the alignment elements from the connecting part structure. By taking out these unnecessary components, the connecting part becomes simpler in design while the heating wire positioning remains adequate without requiring precise alignment features.
Solution Approach 2:
The patent applies local quality by providing heating functionality only where needed on the connecting part, rather than incorporating comprehensive alignment structures throughout. The heating wire is positioned locally on the outer side of the connecting part without requiring global alignment features, thereby reducing overall device complexity.
3Manufacturing precision
If the connecting part is designed with alignment elements, then the heating wire arrangement is more precise, but the versatility of the connecting part is reduced
Solution Approach 1:
The patent achieves universality by designing the connecting part without alignment elements, making it suitable for both heated and unheated tubing applications. The same connecting part design can be used across different variants, eliminating the need for separate designs tailored to specific heating requirements and thereby enhancing adaptability.
Solution Approach 2:
By removing the alignment elements that would limit the connecting part to specific heating applications, the patent enables the connecting part to serve multiple purposes. The extraction of these restrictive features allows the same component to be universally applied to both heated and unheated tubing configurations.
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
This design simplifies the arrangement and manufacturing of the heating wire, reducing costs and enabling the same connector to be used for both heated and unheated tubings, while maintaining effective heat transfer.
Implementation Method 1
the connector has a connecting part, a heating wire, and a housing which encloses the connecting part and the heating wire
Data Source
AI summary
A tubing for a fluid medium of motor vehicles, particularly for an aqueous urea solution, comprises a tube and a connector arranged on one tube end of the tube. The connector has a connecting part, a heating wire, and a housing which encloses the connecting part and the heating wire. The connecting part comprises a retaining element for an engaging connection of a plug that can be plugged into the connecting part. The heating wire extends at least from the connecting end associated with the tube end into the intermediate section, wherein at least along the intermediate section of the connecting part, the connector is preferably free of alignment elements arranged in or on the connecting part and used for aligning the heating wire.