Pool Surface Cleaner Flow Channel Layout to Prevent Waste Leakage
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Solution Overview
Problem
Existing swimming pool surface cleaning apparatuses suffer from inefficient water flow channel designs leading to leakage of waste and unsatisfactory cleaning performance.
Innovation Solution
A swimming pool cleaning apparatus with a housing defining a water flow channel comprising a first, second, and third section, where the second section's inner bottom wall is higher than the others, preventing waste leakage and enhancing cleaning efficiency by maintaining a stable water flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the water flow channel is designed with uniform bottom walls, then the structure is simple, but waste leaks from the water inlet port and cleaning performance deteriorates
Solution Approach 1:
The patent applies local quality by creating a height difference in the bottom wall of the water flow channel. Specifically, the bottom wall in the second water flow channel section is positioned higher than the bottom walls in the first and third sections. This localized structural variation prevents waste from leaking back to the water inlet port while maintaining overall structural simplicity, directly resolving the contradiction between reliability and device complexity.
2Productivity
If the water flow channel has insensible design, then manufacturing is easy, but cleaning performance and operating efficiency degrade
Solution Approach 1:
The patent implements local quality through the height differential in the bottom wall of the second water flow channel section. This localized feature optimizes water flow patterns to enhance cleaning efficiency without requiring complex overall channel design, thereby improving productivity while maintaining reasonable structural complexity.
3Reliability
If the second water flow channel section bottom wall is made higher, then waste leakage is prevented, but manufacturing precision requirements increase
Solution Approach 1:
The patent applies local quality by concentrating the structural variation in a specific location (the second water flow channel section) rather than requiring precision throughout the entire channel. The height difference is localized to where it is most needed for waste containment, reducing the overall manufacturing precision burden while maintaining effective waste prevention.
Solution Approach 2:
The patent segments the water flow channel into three distinct sections with different bottom wall heights. This segmentation allows each section to be manufactured independently with appropriate precision requirements, making it easier to control manufacturing tolerance in the critical second section while maintaining simpler construction in the first and third sections.
Data Source
AI summary
An apparatus for cleaning the surface of water in a swimming pool includes a housing defining a water inlet port and a water outlet port, which communicate with each other and delimit a water flow channel; and a filter means detachably provided on the housing and communicating with the water outlet port. The water flow channel includes: a first water flow channel section proximate the water inlet port; a third water flow channel section proximate the water outlet port; and a second water flow channel section connecting the first and third water flow channel sections. An inner bottom wall of the second water flow channel section is higher than inner bottom walls of the first and third water flow channel sections. With this arrangement, the apparatus can provide improved cleaning performance and reduced waste leakage.