Pool Cleaner Roller Instability for Agility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pool cleaners face challenges in increasing suction efficiency and enhancing agility while traversing the entire floor of swimming pools of varying sizes and shapes, leading to inefficient cleaning.
Innovation Solution
A pool cleaner device with at least two rollers, a pump assembly, and a filter, designed to create a path of least resistance for water flow, featuring a high center of gravity and a short wheelbase to promote instability, allowing for effective movement and debris removal across the pool floor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the pool cleaner is designed with a high center of gravity and short wheelbase to increase agility and rocking motion, then the device becomes unstable and tends to rock while moving, but this instability may reduce cleaning reliability and increase energy consumption for maintaining proper movement
Solution Approach 1:
The pool cleaner is designed with a high center of gravity and short wheelbase to create intentional instability that enables dynamic rocking motion. This dynamic behavior allows the cleaner to adapt to various pool floor conditions and navigate corners more effectively, transforming what would normally be a stability disadvantage into a functional advantage for agility and coverage.
2Adaptability or versatility
If the rollers are positioned close together to create instability and rocking motion, then the device gains agility for traversing pool floors, but the structural stability decreases making the device prone to excessive rocking
Solution Approach 1:
The patent optimizes specific geometric parameters including the distance between rollers, height of the center of gravity, and overall body dimensions to achieve the desired balance between stability and agility. By carefully controlling these parameters, the device maintains sufficient structural stability while enabling the beneficial rocking motion for enhanced cleaning performance.
3Productivity
If the pump assembly draws water through the intake opening at the bottom between the rollers, then suction efficiency is improved, but the device requires precise positioning and stability that conflicts with the desired rocking motion for agility
Solution Approach 1:
The intake opening is positioned at the bottom between the rollers to capture water flow that naturally occurs during the rocking motion. By anticipating and preparing for the rocking movement, the design ensures that the intake opening is optimally positioned to draw water in during each phase of the rocking cycle, maintaining suction efficiency despite the dynamic motion.
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 device achieves enhanced suction efficiency and agility, enabling thorough cleaning of pool surfaces by utilizing the instability to facilitate rocking motion and turning, effectively covering the entire pool floor.
Implementation Method 1
at least a pump assembly being affixed inside the body for drawing water through the intake opening into the body and pushing the water out of the body
Implementation Method 2
a filter for filtering out debris in the water
Implementation Method 3
the at least two rollers blocking water so that a path of least resistance to water flow is established in which water flows from outside the device, to between the at least two rollers, entering parallel to the at least two rollers, into the intake opening
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
A pool cleaner (100a) having an intake opening (146) at the bottom of the body and two rollers (140a, 140b) on either side of the intake opening on which the pool cleaner rests and traverse the pool floor. The rollers define a cleaning path with maximum water flow through the intake opening into the pool cleaner caused by hydraulic forces as a result of at least one pump (130a, 130b) being turned on. The pool cleaner is unstable when moving on the rollers. Additionally, wheels (160) are placed at corners of the pool cleaner and raised above the floor, allowing a rocking motion and easy turns of the pool cleaner.