Pool cleaner with hydraulic timer assembly
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Solution Overview
Problem
Conventional pool cleaners often require scrubber assemblies for operation, limiting their ability to vacuum debris during reverse motion or turning, and typically have inefficient suction systems that can't handle larger debris.
Innovation Solution
A pool cleaner design incorporating a venturi vacuum assembly with multiple stages of jet nozzles, a scrubber assembly that can be detached, and a timer disc assembly for precise directional control, allowing for efficient debris pickup during all movements and improved suction capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If scrubber assemblies are integrated as essential driving components, then the cleaner can maintain structural stability and driving function, but the cleaner cannot operate without them and loses versatility
Solution Approach 1:
The scrubber assembly is divided into a removable module that can be detached from the cleaner body. This allows the cleaning device to function as a vacuum cleaner without the scrubber, while still maintaining the option to attach it for combined scrubbing and vacuuming operations, thus resolving the contradiction between reliability and versatility.
Solution Approach 2:
The scrubber assembly is designed with dynamic attachment and detachment capabilities, allowing the system to adapt its configuration based on operational needs. This dynamic design enables the cleaner to switch between different operational modes (with or without scrubber), maintaining driving function while gaining operational flexibility.
2Device complexity
If vacuum systems are integrated with drive systems, then space is saved and structure is simplified, but vacuuming can only occur during forward motion reducing cleaning coverage
Solution Approach 1:
The vacuum system is separated from the drive system into independent modules. The vacuum assembly can remain stationary on the cleaner body while the drive system continues to operate during turning and reverse motions. This segmentation allows vacuuming to occur during all movements, not just forward motion, thereby increasing cleaning coverage without excessive complexity.
Solution Approach 2:
The cleaner is designed to perform multiple functions independently: the drive system handles movement in all directions while the vacuum system handles debris collection. This multi-functionality allows the vacuum to operate during forward motion, reverse motion, and turning, maximizing cleaning coverage while maintaining reasonable system integration.
3Device complexity
If conventional suction systems are used, then the structure is simple, but the system cannot handle larger debris effectively
Solution Approach 1:
The suction system is divided into multiple stages with different nozzle configurations. The first stage handles larger debris with a wider opening, while subsequent stages handle finer particles. This segmented approach enables the system to handle various debris sizes effectively without requiring an overly complex single-stage system.
Solution Approach 2:
The suction system incorporates vertical stacking of multiple nozzle stages, adding a vertical dimension to the suction path. This multi-level configuration allows larger debris to be captured in lower stages while smaller particles are captured in upper stages, enhancing debris handling capability without significantly increasing horizontal complexity.
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
Enables efficient debris removal during forward, reverse, and turning motions, with enhanced suction power and the ability to handle larger debris, improving cleaning efficiency and coverage.
Implementation Method 1
The venturi vacuum is in fluid communication with the distributor manifold and is designed to vacuum debris from a pool surface
Data Source
AI summary
A pool cleaner with a cover assembly that includes a bottom cover with a cover opening, a supply mast, a distributor manifold, a timer assembly, a scrubber assembly, and a venturi vacuum. The distributor manifold receives water from the supply mast and encircles the suction mast. The venturi vacuum is in fluid communication with the distributor manifold and is designed to vacuum debris from a pool surface.