Temporary Wiper Brush Appendage for Debris Removal
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Solution Overview
Problem
Existing windshield wiper systems are ineffective in removing compacted debris like insects, bird droppings, and light frost, as they are designed for liquid removal and often require cumbersome or disposable attachments that wear out quickly, posing visibility risks and increased costs.
Innovation Solution
A temporary, flexible wiper brush appendage made of pliable plastic with integrated brush hairs that can be easily applied over existing wiper blades, accommodating various sizes and contours, providing a durable and convenient means to remove debris without obstructing the driver's view.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional windshield wipers are used to remove compacted debris, then the wiper blade can be easily manufactured and operated, but the cleaning effectiveness is poor because they are designed for liquid removal not solid debris
Solution Approach 1:
The patent changes the physical parameters of the wiper blade by incorporating brush-like material with varying stiffness and surface texture. This transforms the blade from a smooth liquid-wiping surface to a textured solid-debris-removal surface, enabling effective removal of compacted insects and bird droppings while maintaining compatibility with standard wiper mechanisms.
Solution Approach 2:
The wiper blade combines multiple materials including a flexible base material and brush-like protruding elements. This composite structure provides both the flexibility needed to conform to the windshield and the mechanical aggression required to scrape off compacted debris, resolving the contradiction between cleaning effectiveness and manufacturing simplicity.
2Reliability
If brush-like attachments are permanently installed on wiper blades to remove debris, then cleaning effectiveness improves, but the device complexity increases and requires frequent replacement due to wear
Solution Approach 1:
The brush attachment is designed as a separate, modular component that can be independently installed and removed from the wiper blade. This segmentation allows the brush element to be replaced without replacing the entire wiper assembly, reducing device complexity and maintenance costs while maintaining effective debris removal capability.
Solution Approach 2:
The attachment mechanism is designed to be dynamic and adaptable, allowing the brush-like structure to flex and conform to the windshield surface during operation. This dynamic design maintains cleaning effectiveness while simplifying the attachment mechanism through elastic deformation rather than complex mechanical linkages.
3Reliability
If larger wiper assemblies with integrated brushes are used to remove debris, then cleaning effectiveness improves, but the driver's vision may be obscured during operation
Solution Approach 1:
The brush attachment is designed with localized bristle distribution and varying densities across different zones of the wiper blade. This local quality optimization ensures effective debris removal in high-need areas while minimizing the overall profile and potential obstruction to the driver's view, particularly in the upper portions of the windshield.
4Reliability
If disposable scrubbing attachments are used to remove compacted debris, then cleaning effectiveness improves initially, but they wear out quickly and require frequent replacement increasing time and cost
Solution Approach 1:
The brush-like attachment is designed with inherent flexibility and shock-absorbing properties that allow it to withstand repeated use and mechanical stress. This beforehand cushioning through material selection and structural design extends the service life of the attachment beyond disposable options while maintaining effective debris removal performance throughout its extended operational duration.
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 solution effectively removes debris without the need for frequent replacements, reduces driver distraction, and lowers costs by using a durable, easy-to-install design that can be used anywhere and is adaptable to different wiper blade sizes.
Implementation Method 1
Due to the flexible nature of the pliable plastics, the slot is able to be manipulated to accept a wide variety of wiper blade sizes
Implementation Method 2
a brush-like device attached to the windshield wiper, with means to contour the convexness, or similarly, the flatness of the windshield, is most effective in removing bugs, insect remain, light frost and other debris
Data Source
AI summary
The present invention is directed to a wiper brush appendage that easily attaches to a wiper blade to aid in the removal of compacted solids, insect remains, light frost and the like. The wiper brush appendage is an elongated member of pliable plastic, such as one of the varieties of thermoplastics. The invention has a slot on the top side that runs the entire length that easily spreads to allow it to encompass a wiper blade, as well as multiple rows of brush hairs along the underside. It has a specific inside pocket with inturned flanges and small depressions that put pressure on the wiper blade and limits the movement of the invention while in use. Once installed over the wiper, the user turns on the wiper assembly and the brushes scrub against the windshield.