Pool Cleaner Hydrocyclone Filtration and Six-Roller Obstacle Traversal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing automatic swimming pool cleaners face issues with debris clogging traditional filter elements, leading to reduced suction performance and operational inefficiencies, as well as getting stuck on pool obstacles during cleaning.
Innovation Solution
The swimming pool cleaner incorporates a hydrocyclonic particle separator assembly with a canister subassembly and fluid turbine subassembly, featuring cyclone containers and a filtering medium to separate debris efficiently, and a drive assembly with six driven brushed rollers for enhanced navigation and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional filter elements (bags, mesh, baskets) are used to trap debris, then debris can be contained, but the filter elements quickly become clogged or occluded, reducing suction performance and requiring frequent cleaning or replacement
Solution Approach 1:
The patent replaces traditional mechanical filter elements (bags, mesh, baskets) with a hydrocyclonic separation system that uses centrifugal force generated by cyclonic chambers to separate debris from water. This substitution eliminates the clogging issue inherent in mechanical filters by using a different separation mechanism based on fluid dynamics and centrifugal forces rather than physical filtration media.
Solution Approach 2:
The invention employs hydrocyclonic action - a hydraulic phenomenon where water flow creates centrifugal forces within cyclonic chambers to separate debris. The system uses the kinetic energy and rotational flow of water itself to perform the separation function, replacing the need for passive mechanical filter elements that require manual cleaning.
2Quantity of substance
If traditional filter elements with limited surface area are used, then the structure remains simple, but the limited surface area causes quick clogging before the debris retention volume is filled to capacity
Solution Approach 1:
The patent divides the separation function into multiple cyclonic chambers that work in parallel. Each chamber handles a portion of the debris separation load, effectively increasing the total debris retention capacity without proportionally increasing the complexity of individual components. The segmented approach allows the system to process larger volumes of debris before requiring emptying.
Solution Approach 2:
The invention transitions from two-dimensional surface filtration (mesh/basket surfaces) to three-dimensional volumetric separation using cyclonic chambers. The debris separation occurs throughout the volume of the cyclonic chambers rather than being constrained to a surface area, dramatically increasing retention capacity while maintaining relatively simple chamber structures.
3Productivity
If the cleaner uses a pump system to circulate water through a filter assembly, then debris can be captured, but the filter assembly becomes a point of failure requiring user intervention for cleaning or replacement
Solution Approach 1:
The hydrocyclonic separation system is designed to be self-cleaning to the extent that the separation chambers do not require manual intervention for maintenance. The design allows debris to be easily emptied from the bottom of the cyclonic chambers, and the system maintains its separation efficiency without requiring user disassembly or cleaning of filter elements during normal operation.
4Adaptability or versatility
If the cleaner traverses pool surfaces with obstacles like lights and drains, then comprehensive cleaning is achieved, but the cleaner gets stuck on obstacles, resulting in partial cleaning
Solution Approach 1:
The patent employs six driven rollers that can function in multiple modes - providing propulsion, navigation around obstacles, and maintaining contact with various pool surfaces (floor, walls, waterline). This multi-functional roller system allows the cleaner to adapt to different pool geometries and obstacle configurations, maintaining reliable cleaning completion across diverse conditions.
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 prevents debris from clogging filters, maintains suction performance, and allows the cleaner to traverse pool surfaces more efficiently, including obstacles, thereby improving cleaning effectiveness and reducing maintenance needs.
Implementation Method 1
Fluid being pulled through the canister subassembly and intake enters the canister body at the tangential inlet forming a cyclonic flow (e.g., a first cyclonic flow) about a first axis within the canister body
Implementation Method 2
The fluid (e.g., the now once-filtered debris-laden fluid) enters the one or more cyclone containers at the respective tangential inlet, forming a cyclonic flow (e.g., a second cyclonic flow) about a second axis within each cyclone container. The second cyclonic flow includes once-filtered debris laden fluid having small debris that is separated from the fluid through contact with the cyclone container body.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Exemplary embodiments are directed to pool cleaners, generally including a canister body, a filtering medium assembly and a cyclone block. The canister body includes an inner chamber within inner walls of the canister body. The filtering medium assembly can be disposed within the inner chamber of the canister body. The cyclone block can be disposed within the inner chamber of the canister body and can be at least partially surrounded by the filtering medium assembly. The cyclone block includes a plurality of individual cyclone containers. A first cyclonic flow can be generated between the inner walls of the canister body and the filtering medium assembly. A second cyclonic flow can be generated within each of the plurality of cyclone containers.