Multi-Part Wiper Adapter Fluid Distribution
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Solution Overview
Problem
Existing windscreen wiper devices with spray functions face challenges in securely and efficiently connecting and fixing wiper blade devices to wiper arms, leading to complex installations and potential leakage issues, while also requiring adaptability across various spoiler geometries.
Innovation Solution
A multi-part adapter with a fluid inlet and two outlets, featuring a deflection geometry and nonreleasable connections, allows for uniform fluid distribution and secure attachment of the wiper blade device to the wiper arm, enabling adaptable use in different configurations and reducing production waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a multi-part adapter design is used, then the ease of manufacture and adaptability to different spoiler geometries improve, but the device complexity increases
Solution Approach 1:
The adapter is divided into multiple parts (first adapter part, second adapter part, third adapter part) that can be manufactured separately and then assembled. This segmentation allows each part to be optimized for specific functions (fluid distribution, spoiler attachment, wiper blade attachment) while maintaining overall system integration, directly resolving the contradiction between ease of manufacture and device complexity.
2Reliability
If a secure connection system is implemented, then the reliability of fluid distribution improves, but the ease of operation for installation and removal deteriorates
Solution Approach 1:
The connection system incorporates dynamic elements that allow for easy engagement and disengagement. The adapter parts are designed with movable or flexible connection mechanisms that provide secure attachment during operation but enable quick release when needed, resolving the contradiction between reliability and ease of operation.
3Productivity
If uniform fluid distribution is achieved through complex channel geometry, then the cleaning effectiveness improves, but the manufacturing precision requirements increase
Solution Approach 1:
The fluid distribution function is segmented across multiple adapter parts with integrated fluid channels. Each part contains channel geometry optimized for specific sections of fluid distribution, allowing uniform flow distribution to be achieved through modular design rather than requiring high precision in a single complex component, thus resolving the contradiction between cleaning effectiveness and manufacturing precision requirements.
Data Source
AI summary
A wiper device having a wiper arm and a wiper blade device, wherein the wiper blade device has a wiper strip, a spoiler, and a wiper blade, and wherein the wiper blade device furthermore has an adapter with a fluid inlet and two fluid outlets to conduct fluid into fluid channels of the spoiler. The adapter is of multi-part design such that the adapter has a first part, which has the fluid inlet, a first outlet region and a second outlet region. The first part furthermore has a deflection geometry for conducting a fluid entering the fluid inlet to the first outlet region and the second outlet region. The adapter furthermore has a second part and a third part, wherein the second part closes the first outlet region and has the first fluid outlet, and wherein the third part closes the second outlet region and has the second fluid outlet.