Water Treatment Cartridge Orientating Means for Confined Space Installation
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Solution Overview
Problem
Existing domestic water-treatment devices face challenges in quickly, easily, and precisely replacing worn-out water-treatment cartridges, especially in confined spaces like under-sink installations, due to limited access and difficulty in installing or replacing cartridges.
Innovation Solution
A water-treatment cartridge and head design that includes orientating means and determining means for aligning the cartridge within the device, allowing for easy installation and replacement by inserting and rotating the cartridge, with fluid communication channels for efficient water flow, and multiple treatment beds for various water treatments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional water-treatment cartridge is installed in a head, then the cartridge can perform water treatment, but the installation and replacement of the cartridge becomes difficult and time-consuming due to limited access in confined spaces
Solution Approach 1:
The cartridge is divided into a modular design with a separate head portion and a filter element portion, allowing the head to remain in the device while only the filter element needs replacement. This segmentation enables quick cartridge changes without removing the entire cartridge assembly from the confined space.
Solution Approach 2:
The orientating means (protrusion and recess) are extracted as key features that enable precise alignment during installation. The protrusion on the cartridge head engages with the recess in the device, automatically orienting the cartridge correctly as it is inserted, eliminating the need for manual alignment in difficult-to-reach locations.
2Measurement precision
If a water-treatment cartridge is installed in a head, then the cartridge can perform water treatment, but precise alignment of the cartridge with the head becomes difficult due to limited access
Solution Approach 1:
The orientating means employs an asymmetric design with a protrusion on the cartridge head that corresponds to a recess in the device. This asymmetric feature ensures the cartridge can only be installed in the correct orientation, providing precise alignment automatically during insertion without requiring manual adjustment in confined spaces.
Solution Approach 2:
The orientating means enables the cartridge to self-align with the head during installation. The protrusion and recess geometry guides the cartridge into the correct position automatically as it is inserted, eliminating the need for external alignment tools or manual positioning assistance.
3Adaptability or versatility
If a water-treatment cartridge is installed in a head, then the cartridge can perform water treatment, but the complexity of the device increases due to additional components
Solution Approach 1:
The orientating means integrates the alignment function directly into the cartridge head structure itself, rather than requiring separate alignment mechanisms in the device. The protrusion and recess are built into the cartridge and device interfaces, combining multiple functions (mounting, alignment, and orientation) into a single integrated feature.
Data Source
AI summary
A water-treatment cartridge (3) for a water-treatment device, wherein the water-treatment device comprises a head with a port for feeding water for treatment to the cartridge and a port for discharging water from the cartridge (3) after treatment. The water-treatment cartridge (3) according to the invention comprises an inlet channel for feeding water for treatment to the cartridge (3) for making a fluid communication with the port of the head for feeding water for treatment to the water-treatment cartridge (3), and an outlet channel for discharging water after treatment from the water- treatment cartridge (3) for making a fluid communication with the port for discharging water after treatment from the water-treatment cartridge (3), at least one water-treatment bed, which the at least one water-treatment bed is in a fluid communication with the inlet channel for feeding water for treatment and with the outlet channel for discharging water after treatment. The water-treatment cartridge (3) is characterized in that it comprises orientating means (10) configured to make a flow of water for treatment from the port of the head for feeding water for treatment with the inlet channel, when the water-treatment cartridge (3) is installed in the head of the water-treatment device. The invention also relates to a head of a water- treatment device for use with a water-treatment cartridge (3). In addition, the invention relates to a water-treatment device comprising a head and a water-treatment cartridge (3).