Pool Cleaner Nozzle Steering for Wall Climbing and Corner Escape
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Solution Overview
Problem
Existing pool cleaners are inefficient in cleaning all surfaces, particularly vertical side walls, and can become trapped in corners, with manual cleaning being time-consuming and automated cleaners being expensive and difficult to empty.
Innovation Solution
A pool cleaner with enhanced traction, propulsion, steering, and directional control features, including a driving assembly with a rotating outlet nozzle and a transmission assembly that allows for forward and rearward travel, along with a filtration system and floating bodies for power assistance, enabling effective navigation and cleaning of pool surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated pool cleaners are used to clean pool surfaces, then cleaning efficiency is improved, but they become expensive and may become trapped in corners
Solution Approach 1:
The pool cleaner is divided into multiple independent modules including a housing, driving assembly, filtration assembly, and floating bodies. This segmentation allows each component to perform its specific function independently, reducing overall system complexity while maintaining high cleaning efficiency through coordinated operation of these modular units.
Solution Approach 2:
The cleaner head is designed to perform multiple functions: it can clean both the pool floor and vertical walls, filter debris, and navigate different pool surfaces. This multi-functionality eliminates the need for separate devices for different cleaning tasks, reducing device complexity while improving overall productivity.
2Adaptability or versatility
If automated pool cleaners are designed to reach all surfaces including vertical walls, then cleaning coverage is improved, but they may become trapped in corners
Solution Approach 1:
The outlet nozzle is designed to rotate between a first position (ejecting water upward) and a second position (ejecting water obliquely). This dynamic adjustment allows the cleaner to adapt its propulsion direction when navigating corners and transitions between floor and wall cleaning, preventing it from becoming trapped while maintaining comprehensive cleaning coverage.
Solution Approach 2:
The cleaner employs asymmetric floating body configuration with different numbers of floating bodies on opposite sides. This asymmetry creates directional control that helps the cleaner navigate corners effectively by generating controlled rotational movement, preventing it from becoming trapped while maintaining the ability to clean all surfaces including vertical walls.
3Device complexity
If manual cleaning is used to clean pool surfaces, then device complexity is reduced, but cleaning time increases
Solution Approach 1:
The pool cleaner is designed as a self-operating system that autonomously navigates the pool, collects debris, and filters water without human intervention. The automated operation significantly reduces cleaning time compared to manual methods, while the modular design keeps device complexity manageable through standardized components and simple assembly.
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 enhanced pool cleaner efficiently cleans pool surfaces, including vertical walls, without getting trapped, and is easier to use and maintain, improving cleaning efficiency and convenience.
Implementation Method 1
the ejection direction includes an upward component that extends upward from the housing and a rearward component that extends rearward from the housing, the upward component generating a downward adhesion force and the rearward component generating a forward propulsion force
Implementation Method 2
a driving assembly including an inlet conduit configured to receive pressurized water from the pump, an impeller in fluid communication with the inlet conduit, an outlet conduit in fluid communication with the impeller
Implementation Method 3
a filtration assembly disposed in the housing and configured to filter water from the pool
Implementation Method 4
floating bodies for power assistance, enabling effective navigation and cleaning of pool surfaces
Data Source
AI summary
A pool cleaner for use in a pool may include a housing, a driving assembly, a traction assembly, and a filtration assembly. The driving assembly may include an inlet conduit configured to receive pressurized water, an impeller in fluid communication with the inlet conduit, an outlet conduit in fluid communication with the impeller, and an outlet nozzle coupled to the outlet conduit and may be configured to eject the pressurized water upward from the housing and into the pool in a parallel or oblique ejection direction relative to a vertical axis. The traction assembly may be coupled to the impeller to drive the housing across the pool and the filtration assembly may be configured to filter water from the pool.