Integrated Washing Fluid Line and Plug Coupling
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Solution Overview
Problem
The existing window cleaning systems for motor vehicles have complex and costly manufacturing and installation processes due to separate components for couplings, which increase production costs.
Innovation Solution
The window cleaning system integrates the washing fluid line with the plug-type coupling part, allowing for simplified manufacturing and installation by using bushing-type coupling parts on the pump and nozzle, with movable components and sealing rings arranged on the bushing-type coupling part, and manufacturing from plastic via injection molding or extrusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate coupling components are used for washing fluid lines, then reliable connection and sealing are achieved, but manufacturing complexity and costs increase significantly
Solution Approach 1:
The patent combines the washing fluid line and the plug-type coupling part into a single integrated component manufactured by injection molding. This merging eliminates the need for separate coupling components and their complex assembly, thereby reducing manufacturing complexity while maintaining connection reliability through the integrated design.
2Ease of operation
If separate coupling components are used for washing fluid lines, then connection functionality is achieved, but installation time and effort increase
Solution Approach 1:
By integrating the coupling part directly into the washing fluid line as a single molded component, the installation process is simplified. The integrated design eliminates separate assembly steps for attaching coupling components, thereby reducing installation time and effort while maintaining proper connection functionality.
3Reliability
If multiple separate components are used for couplings, then connection reliability is improved, but manufacturing costs increase
Solution Approach 1:
The integration of the washing fluid line and plug-type coupling part into a single injection-molded component eliminates the need for manufacturing and assembling multiple separate coupling components. This reduces manufacturing costs through economies of scale and simplified production processes while maintaining connection reliability through the integrated design.
Solution Approach 2:
The patent transitions from mechanical assembly of separate metal or plastic coupling components to a single-piece injection molding process. This parameter change in the manufacturing method reduces material costs, assembly costs, and quality control expenses while maintaining the functional requirements for reliable connections.
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 reduces manufacturing costs by eliminating the need for separate coupling components and simplifying installation, while ensuring secure connections and reliable sealing.
Implementation Method 1
the bushing-type coupling part may have a displaceable sleeve, and the sleeve may be prestressed by a spring element into a position supporting the latching hooks
Implementation Method 2
the washing fluid line can be manufactured from plastic by injection molding or extrusion
Implementation Method 3
the washing fluid line can be manufactured from plastic by injection molding or extrusion
Implementation Method 4
the sealing ring can be designed as a radial sealing ring and bears against the outer circumference of the plug-type coupling part
Data Source
AI summary
In the case of a window cleaning system for a motor vehicle, a washing fluid line (6) is manufactured integrally with plug-type coupling parts (8). Movable components and a sealing ring (15) are arranged on bushing-type coupling parts (9). The bushing-type coupling parts (9) are arranged on a washing fluid pump (2), on washing nozzles (4) and on a T connector (7). By this means, the window cleaning system is constructed in a particularly simple manner and can be manufactured cost-effectively.