Rotating Vane Drain Guard Sweeps Debris
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Solution Overview
Problem
Outdoor drains, particularly roof and balcony drains, are prone to blockages due to debris accumulation, which can cause significant damage.
Innovation Solution
A device featuring a planar base with a rotatable vane support and curved vanes that sweep away debris when struck by wind, rain, or debris, utilizing a cylindrical flange for engagement with the drain pipe and a base insert for rotational support, mimicking a turbine-like mechanism to prevent blockages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a drain is designed to be large enough to accept debris, then blockage resistance is improved, but the device complexity and space requirements increase
Solution Approach 1:
The device uses wind, rain, and debris themselves as the driving force to rotate the vanes, eliminating the need for external power sources or complex mechanical actuation systems. The natural elements that would otherwise cause blockage are converted into the cleaning mechanism, achieving self-service operation.
Solution Approach 2:
The patent converts harmful debris accumulation into a beneficial cleaning action. Debris that would normally clog the drain is instead used as the rotating force that sweeps away accumulated debris through the curved vanes, transforming the harmful factor into the driving mechanism for prevention.
2Reliability
If manual cleaning of drains is performed regularly, then blockage prevention is improved, but maintenance time and labor requirements increase
Solution Approach 1:
The device automatically cleans the drain area using the rotational motion of vanes driven by wind, rain, or debris impact. This eliminates the need for manual intervention and transforms the maintenance task into a self-executing function, saving time and labor resources.
Solution Approach 2:
The vanes rotate periodically as they are struck by intermittent wind, rain, or debris, creating repeated sweeping motions that continuously prevent debris accumulation. This periodic action maintains blockage prevention without requiring continuous energy input or manual operation.
3Productivity
If the vanes are positioned close to the base surface, then debris sweeping effectiveness is improved, but the risk of debris accumulation between vanes and base increases
Solution Approach 1:
The vanes are designed with curved surfaces rather than flat planes. This curvature allows debris to be swept away more effectively along the curved path, preventing accumulation in gaps between the vane edges and the base surface. The curved geometry guides debris flow smoothly away from potential accumulation zones.
Solution Approach 2:
The patent optimizes the spacing and positioning parameters of the vanes relative to the base surface. By carefully controlling the distance between vane lower edges and the base, the design achieves effective debris sweeping while minimizing the risk of accumulation, balancing productivity and harm prevention through parameter optimization.
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
Effectively prevents drain blockages by rotating vanes that sweep away debris, ensuring continuous water flow and reducing maintenance needs, thereby minimizing damage from clogs.
Implementation Method 1
The flange can frictionally engage the inner walls of a drain pipe for draining water from the device
Implementation Method 2
When wind, rain, or debris strikes the curved vanes, the vane support rotates
Data Source
AI summary
A device for preventing drain blockage can include a planar base and an upright vane support rotatably supported on the base. The vane support includes a plurality of curved vanes mounted in a radial configuration thereon. The base includes a plurality of raised portions on an upper surface thereof and a cylindrical flange extending downwardly from a bottom surface thereof. The flange can frictionally engage the inner walls of a drain pipe for draining water from the device. A base insert is housed within a circular recess of the base and rotatably supports the vane support. The vanes each include a lower edge in close proximity to the top surface of the base. When wind, rain, or debris strikes the curved vanes, the vane support rotates, and the lower edges of the vanes sweep away any debris accumulating on the base.