Wand With Boost And Mode Selections For High Flow Compact Design
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Solution Overview
Problem
Wands with high flow capacity and compact size are challenging to design, as increasing flow capacity typically requires larger sizes, and reducing size decreases flow capacity.
Innovation Solution
The wand design incorporates a shell with a waterway that includes a boost module and a mode module, featuring fixed and movable sub-modules that allow for adjustable flow passages and outlets, enabling high flow capacity while maintaining a compact size through innovative modular structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the flow capacity of the wand is increased, then the flow rate is improved, but the size of the wand increases
Solution Approach 1:
The wand is divided into multiple functional modules: a boost module with movable and fixed sub-modules for flow control, and a mode module with movable and fixed sub-modules for delivery pattern selection. This segmentation allows each module to be optimized independently for compactness while maintaining high overall flow capacity through coordinated operation of the modular components
Solution Approach 2:
The wand incorporates movable sub-modules that can dynamically adjust the flow passages and outlet configurations. The movable boost sub-module and movable mode sub-module can shift positions to optimize water flow paths, enabling high flow capacity when needed while maintaining a compact form factor through dynamic reconfiguration of internal components
2Volume of moving object
If the size of the wand is decreased, then the compactness is improved, but the flow capacity decreases
Solution Approach 1:
The movable sub-modules are nested within the fixed sub-modules, with the movable boost sub-module positioned within the boost module housing and the movable mode sub-module positioned within the mode module housing. This nesting arrangement maximizes space utilization, allowing the wand to maintain a compact external size while accommodating sufficient internal flow passages and outlets to deliver high flow capacity when the movable components are positioned to open the flow paths
Data Source
AI summary
A wand with boost and mode selections having a high flow capacity and a compact size is provided. The wand comprises a shell, a waterway, and a face module. The waterway includes boost and mode modules. The boost module includes fixed and movable boost sub-modules. The mode module includes fixed and movable mode sub-modules. The movable boost sub-module and the movable mode sub-module are operable to move in a generally longitudinal and circumferential direction, respectively. A first flow passage of the fixed boost sub-module, a second flow passage of the movable boost sub-module, a third flow passage and flow openings of the movable mode sub-module, and first and second outlet passages of the fixed mode sub-module extend in and a flow of water therethrough extends in a generally longitudinal direction. A ratio of a flow coefficient of the wand to a volume of the shell is greater than approximately 0.125.