Aquarium Filter with Rotatable Multi-Outlet Selector
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Solution Overview
Problem
Existing aquarium filtering units are difficult to manage, requiring frequent repositioning and manual intervention for different liquid circulation patterns and outlet configurations, which can be cumbersome and inconvenient, especially for inexperienced users.
Innovation Solution
A filtering unit with multiple outlets at varying heights and a rotatable selector mechanism that allows for different liquid circulation patterns without repositioning, along with a supporting body that allows for easy installation and extraction without contacting the liquid, and a design that enables filter replacement above the water level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a filtering unit has a single outlet at a fixed position, then the device structure is simple, but the user must reposition the unit to change liquid circulation patterns
Solution Approach 1:
The outlet is divided into multiple separate outlets (first outlet and second outlet) positioned at different vertical heights. Each outlet can independently discharge liquid, allowing different circulation patterns without repositioning the entire filtering unit. This segmentation provides versatility while maintaining a relatively simple overall structure.
Solution Approach 2:
The invention adds vertical dimension to the outlet configuration by positioning outlets at different heights (first outlet at lower level, second outlet at upper level). This dimensional change enables different liquid circulation patterns (e.g., bottom-up vs top-down flow) without requiring horizontal repositioning of the unit, thus improving adaptability without proportionally increasing complexity.
2Ease of operation
If spray outlet means are used instead of traditional outlets, then liquid circulation is improved, but the user must replace outlet means requiring hand insertion into liquid
Solution Approach 1:
The filtering unit integrates multiple outlet types (traditional outlets and spray outlets) within a single device structure. The spray outlets are built-in components rather than separate attachments, allowing the unit to provide both traditional discharge and spray functions simultaneously or alternatively, eliminating the need for users to replace outlet means or insert hands into liquid.
Solution Approach 2:
The spray outlet means are designed as integral self-contained components within the filtering unit structure. They automatically function as part of the liquid discharge system without requiring external assembly, replacement, or manual intervention in the liquid, thus improving ease of operation and eliminating harmful user-liquid contact.
3Ease of repair
If filters are replaced by introducing hands into the tank, then filter maintenance is achieved, but user safety and convenience are reduced
Solution Approach 1:
The filtering unit is designed with an extractable structure that can be removed from the aquarium tank as a complete assembly. The filters are integrated into this extractable unit, allowing users to pull the entire filtering unit out of the liquid for filter maintenance without inserting hands into the tank. This extraction approach enables easy repair while avoiding harmful user-liquid contact.
Solution Approach 2:
The filters are nested within the filtering unit casing, which itself is nested within the aquarium tank. This nested arrangement allows the outer unit to be extracted as a complete assembly, enabling access to the inner filters for maintenance without direct hand insertion into the tank liquid. The nested structure facilitates easy repair while protecting user convenience and safety.
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 intuitive and efficient management of liquid circulation and outlet configurations within the aquarium, reducing user interaction with the water and simplifying maintenance tasks, thus providing a user-friendly and 'foolproof' solution for aquarium owners.
Implementation Method 1
an electric pump assembly for forcedly circulate said liquid along said liquid path
Implementation Method 2
a liquid path such as to force said liquid to pass through filters
Data Source
Figure 1
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AI summary
A filtering unit (1) for an aquarium is described, said filtering unit (1) comprising a closed casing (2), which is to be immersed in a liquid, inlet means (3), a liquid path (4) passing through filters (8), outlet means (5, 15-18), an electric pump assembly (6) for forcing liquid to circulate along said liquid path (4). The outlet means (5, 15-18) comprise a multiple outlet selector (18) which may allow selection of outlets (15-17), in particular in a vertical direction.