Inline Cartridge Carrier With Asymmetric Connectors for Dispenser Alignment

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Solution Overview

Problem

Existing systems for maintaining recreational water quality in facilities like hot tubs and pools face challenges in efficiently and correctly aligning and securing multiple replaceable cartridge dispensers, often requiring trial-and-error assembly and lacking clear indicators for compatibility and chemical suitability.

Innovation Solution

An inline end engaging system with a cartridge carrier that cradles a dispenser inside a skeleton housing and connects to an external dispenser, using geometrically shaped connectors and color/visual coding to ensure proper alignment and compatibility, featuring internal and external connectors that prevent incorrect insertion and facilitate quick, secure attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple replaceable cartridge dispensers are used to maintain water quality, then water treatment effectiveness is improved, but alignment and assembly complexity increases

Engineering Contradiction:
Improvewater treatment effectivenessVSAvoidalignment and assembly complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The connector features asymmetric geometric shapes (such as triangular or rectangular protrusions on one cartridge and corresponding recesses on another) that allow only one correct orientation for assembly. This asymmetric design eliminates the need for trial-and-error alignment, as the cartridges can only be attached in the proper orientation, thereby reducing assembly complexity while maintaining effective multi-cartridge water treatment.

Inventive Principle:
Principle #4Asymmetry

Solution Approach 2:

The cartridges incorporate color coding or visual indicators (such as colored rings, labels, or markings) that indicate chemical compatibility and proper assembly orientation. These visual cues allow users to quickly identify compatible cartridges and their correct positioning without complex alignment procedures, thus improving water treatment reliability while simplifying the assembly process.

Inventive Principle:
Principle #32Color changes

2Adaptability or versatility

If trial-and-error assembly method is used for cartridge dispensers, then assembly flexibility is maintained, but assembly time and operational efficiency decrease

Engineering Contradiction:
Improveassembly flexibilityVSAvoidassembly time and operational efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The connector designs incorporate pre-configured geometric alignment features and visual indicators before assembly begins. The asymmetric shapes and color codes are pre-established on the cartridges, guiding users to the correct assembly orientation immediately. This preliminary configuration eliminates the need for trial-and-error adjustments during assembly, significantly reducing assembly time while maintaining the flexibility to assemble different compatible cartridge combinations.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If clear compatibility indicators are added to cartridge dispensers, then chemical compatibility assurance is improved, but device complexity increases

Engineering Contradiction:
Improvechemical compatibility assuranceVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system uses color-coded indicators (such as colored bands, labels, or markings on the cartridge bodies) to indicate chemical compatibility. Different colors represent different chemical types or compatibility groups. This simple visual system provides clear compatibility information without requiring complex mechanical or electronic indicators, thus ensuring chemical compatibility assurance while minimizing increases in device complexity.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The geometric connector shapes themselves serve as compatibility indicators, where specific asymmetric shapes only fit together when the cartridges are chemically compatible. This integrates the compatibility indication function into the connector geometry itself, providing clear compatibility assurance without adding separate indicator mechanisms, thereby avoiding significant increases in device complexity.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS12428326B2Inline end engaging system
Publication Date: 2025.09.30 KING TECHNOLOGY INC
  • US12428326B2 patent drawing
  • US12428326B2 patent drawing
  • US12428326B2 patent drawing

AI summary

A cartridge carrier having a skeleton housing with a cartridge cradle for supporting a cartridge dispenser therein and a connector on the skeleton housing for supporting a further dispensing cartridge outside of the skeleton housing.