Disconnectable Filtration Casing for Submerged Cleaner

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Solution Overview

Problem

Existing swimming pool cleaning devices have inconvenient access mechanisms for the filtration system, leading to incomplete cleaning of the hydraulic circuit, unstable filtration performance, and frequent maintenance needs, which results in increased energy consumption and user discomfort.

Innovation Solution

A device with a filtration chamber and hydraulic circuit design that allows the filtering casing to be easily removed and disassembled from the top, eliminating the need for non-return valves and enabling complete cleaning of the unclean circuit without inverting the device, thus maintaining suction performance and reducing maintenance complexity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the access flap for the filtration device is located at the base of the hollow body, then the filtration device can be accessed for cleaning, but the device must be inverted which may damage it and cause undesirable flow occurrences

Engineering Contradiction:

ImproveAccess to filtration deviceVSAvoidDevice integrity and flow control

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The access flap is relocated from the base to the top of the hollow body, inverting the conventional arrangement. This allows the filtration device to be accessed without inverting the entire cleaning device, preventing damage and unwanted flow occurrences while maintaining ease of access for maintenance

Inventive Principle:

Principle #13The other way round (Inversion)

2Ease of operation

If the access flap is arranged at the top of the device, then access is easier without inverting the device, but the hydraulic circuit must have a particularly complex path requiring high-power pumping devices

Engineering Contradiction:

ImproveAccess to filtration deviceVSAvoidEnergy consumption

Core Design Contradiction:

Ease of operationVSUse of energy by moving object

Solution Approach 1:

The hydraulic circuit is segmented into a clean circuit and a dirty circuit that are independently accessible. The disconnectable dirty circuit allows the unclean portion to be separated and cleaned without affecting the clean circuit, simplifying the overall hydraulic path and reducing the power requirements of the pumping device

Inventive Principle:

Principle #1Segmentation

3Device complexity

If the unclean circuit is not readily accessible, then the device structure remains simple, but the unclean circuit is practically never completely cleaned leading to unstable filtration performance

Engineering Contradiction:

ImproveHydraulic circuit accessibilityVSAvoidFiltration performance stability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The dirty circuit is extracted as a disconnectable component that can be completely removed from the hollow body. This allows users to access and thoroughly clean the unclean circuit without disassembling the entire device, ensuring complete cleaning and stable filtration performance while maintaining relatively simple device structure

Inventive Principle:

Principle #2Taking out (Extraction)

4Reliability

If device disassembly is required to access the unclean circuit, then specialized knowledge is needed to avoid warranty invalidation, but this reduces ease of maintenance

Engineering Contradiction:

ImproveWarranty protectionVSAvoidMaintenance accessibility

Core Design Contradiction:

ReliabilityVSEase of repair

Solution Approach 1:

The disconnectable dirty circuit is designed with user-friendly connection and disconnection mechanisms that allow end-users to perform maintenance without requiring specialized technical knowledge. The system enables self-service maintenance while preserving warranty protection, eliminating the need for specialist technicians for routine cleaning operations

Inventive Principle:

Principle #25Self-service

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 provides stable filtration performance, reduces maintenance frequency, and lowers energy consumption by allowing easy access and cleaning of the filtering system, maintaining initial performance levels and user safety.

Implementation Method 1

a hydraulic circuit which is capable of providing a flow of liquid between each inlet and each outlet through a filtering device, under the action of a pumping device

Methodology Applied

Scientific EffectPressure difference: Pressure Gradient

Implementation Method 2

a filtration chamber which is provided in the hollow body and which has... a hydraulic circuit which is capable of providing a flow of liquid between each inlet and each outlet through a filtering device

Methodology Applied

Scientific EffectPhysical filtration: Filter (physical)

Data Source

PatentUS8997293B2Apparatus for cleaning a submerged surface with a disconnectable dirty circuit

Publication Date: 2015.04.07 ZODIAC POOL CARE EURO

AI summary

The invention relates to a device for cleaning an immersed surface including a body and members for driving the body over the immersed surface; a filtration chamber which is provided in the body and which has: a liquid inlet; a liquid outlet; a hydraulic circuit for the flow of liquid between the inlet and the outlet through a filtering device, wherein the filtering device includes a filtering casing which is removably mounted in the filtration chamber and which can be inserted into and removed from the filtration chamber in one piece, and the filtering casing has at least a lower end which opens at the base of the body and which constitutes a liquid inlet into the body of the device.