Funnel Paint Bucket for Powered Extraction
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Solution Overview
Problem
Powered painting systems face difficulties in extracting the final portions of paint from buckets due to air intake and wastage, as the nozzle encounters issues when the paint level is low, leading to inefficient use and potential splattering.
Innovation Solution
A paint bucket with a funnel-shaped bottom that directs the remaining paint into a recess, allowing the nozzle to be retained and ensuring efficient extraction of the last paint portions, using a recess geometry that accommodates the nozzle and hose orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a conventional flat-bottomed paint bucket is used, then the bucket structure is simple and easy to manufacture, but the final portions of paint cannot be extracted efficiently leading to waste and air bubbles
Solution Approach 1:
The patent applies curvature by replacing the conventional flat bottom of the paint bucket with a funnel-shaped bottom that curves downward to a central recess. This curved geometry naturally directs the remaining paint toward the intake nozzle position, enabling complete extraction of paint from the bucket without leaving residual amounts that would cause waste or air bubbles during powered painting operations.
Solution Approach 2:
The funnel-shaped bottom is pre-formed as an integral part of the bucket structure before use. This preliminary shaping of the bucket bottom ensures that paint automatically flows toward the center recess and intake nozzle position during the painting process, eliminating the need for manual intervention or additional devices to extract remaining paint.
2Quantity of substance
If the bucket diameter is large relative to the intake nozzle size, then the bucket can hold sufficient paint volume, but a substantial volume of paint remains in the bucket when the paint level reaches problematic heights
Solution Approach 1:
The funnel-shaped bottom with its curved surfaces creates a natural flow path that concentrates paint toward the central recess where the intake nozzle is positioned. This curvature ensures that even as the overall paint level drops in the large-diameter bucket, the remaining paint is funneled toward the extraction point, enabling complete utilization of the paint volume.
3Loss of substance
If manual tilting of the bucket is used to extract remaining paint, then paint can be collected at the lower edge, but additional labor is required and the painter must be extremely attentive to paint level
Solution Approach 1:
The funnel-shaped bottom enables the paint bucket to serve itself by automatically directing remaining paint toward the intake nozzle through its curved geometry. The paint flow is self-directed by gravity and the funnel shape, eliminating the need for the painter to manually tilt or manipulate the bucket to extract remaining paint.
4Reliability
If the intake nozzle encounters low paint levels, then air may be drawn into the system causing bubbles and splattering, but maintaining a flat bottom leaves paint residual
Solution Approach 1:
The curved funnel bottom ensures that paint continuously flows toward the central recess and intake nozzle position, maintaining reliable paint flow consistency even at low paint levels. This prevents air from being drawn into the system while simultaneously enabling complete paint extraction, eliminating both air bubbles and paint waste.
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 allows for the complete utilization of paint without manual tilting, reducing labor and waste, and preventing air bubbles and splattering, thereby enhancing the efficiency and environmental sustainability of paint application.
Implementation Method 1
The funnel shape may cause paint within the bucket to flow down the angled wall(s) of the funnel to a recess for uptake by the powered painting system.
Data Source
AI summary
A paint bucket may have a funnel shaped bottom to collect paint into a recess while a powered painting system draws paint from the bucket for application to a surface. The recess may receive an intake nozzle from the powered painting system. An insert may create a funnel shaped bottom and recess in a standard flat bottomed bucket.