Integrated Multi-Way Valve Bypass for Continuous Water Softening
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Solution Overview
Problem
Existing multi-tank water softeners have complex structures, cumbersome control operations, high prices, and large volumes, making them unsuitable for restricted sites, and they require additional bypass valves for scenarios not needing soft water, which complicates operation and increases costs and leakage risks.
Innovation Solution
A multi-way valve with a main valve and a secondary valve, each having bypass positions, allows for sequential connection of water inlet, main, secondary, and outlet passages, eliminating the need for external bypass valves and simplifying control operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If a multi-tank water softener is used to provide continuous water supply, then the uninterrupted water supply requirement is met, but the structure becomes complicated and the device volume increases
Solution Approach 1:
The patent combines the bypass valve function into the multi-way valve body, merging two separate valve functions into a single integrated device. This eliminates the need for separate bypass valve installation while maintaining both the bypass capability and the multi-tank switching functionality, thereby reducing overall device complexity despite providing continuous water supply.
Solution Approach 2:
The multi-way valve is designed to perform multiple functions: tank switching for continuous water supply and bypass operation for direct hard water delivery. By making the valve universal, the system achieves continuous water supply capability without requiring additional specialized components, thus managing complexity while enhancing functionality.
2Adaptability or versatility
If an external bypass valve is installed to supply hard water for non-softening scenarios, then the bypass function is achieved, but the device complexity and installation cost increase
Solution Approach 1:
The bypass valve functionality is merged into the multi-way valve body, creating an integrated valve assembly. This eliminates the need for separate bypass valve installation and reduces the total number of devices in the system while maintaining the adaptability to supply hard water when needed.
Solution Approach 2:
The multi-way valve is designed with universal functionality to handle both soft water distribution (with tank switching) and hard water bypass operations. This multi-functional design achieves the bypass capability without requiring additional specialized components, thereby reducing device complexity.
3Adaptability or versatility
If multiple devices are installed on the water supply pipe to achieve bypass and tank switching, then the required functions are realized, but the water leakage risk and usage cost increase
Solution Approach 1:
By merging the bypass valve and multi-way valve into a single integrated device, the patent reduces the number of connection points and potential failure sites in the water supply system. Fewer separate devices mean fewer seals and connections, thereby reducing water leakage risk while maintaining all necessary valve functions.
Data Source
AI summary
A multi-way valve, a water softener, and a method for controlling the water softener. The multi-way valve is provided with a main valve and a secondary valve. When each of the main valve and the secondary valve is at a bypass valve position, a water inlet passage, a first main valve passage, a first secondary valve passage, a second secondary valve passage, a second main valve passage, and a water outlet passage of the multi-way valve are sequentially connected, thereby forming a bypass flow path in the multi-way valve.