Multiway Valve Cartridge Inserts for Homogeneous Flow and Tightness
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Solution Overview
Problem
Conventional multiway valves face issues with fluid mechanics efficiency due to non-uniform cross-sections causing swirls, noise, and potential cavitation, as well as mechanical misalignments and leakages, which affect their performance in hydronic and heating-cooling systems.
Innovation Solution
A multiway valve design incorporating a tubular cartridge with integrated fluid mechanics inserts, featuring a partitioned septum and radially oriented openings, and fluid mechanics inserts with a variably shaped cell to ensure homogeneous fluid flow and reduce angular misalignments, made from lightweight polymeric materials for improved efficiency and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional multiway valves use non-uniform cross-sections in fluid passages, then the valve structure is simpler, but fluid mechanics efficiency deteriorates due to swirls, noise, and cavitation
Solution Approach 1:
The patent applies local quality by introducing specific geometric features (rounded corners, gradual transitions, uniform cross-sections) at critical locations within the fluid passages. These localized modifications optimize fluid flow characteristics without redesigning the entire valve structure, thereby improving fluid mechanics efficiency while maintaining manufacturing simplicity.
2Adaptability or versatility
If conventional multiway valves use mechanical connecting rods to connect spherical bodies, then the valve can achieve multiway diversion, but mechanical misalignments and angular positioning errors occur due to operative wear
Solution Approach 1:
The patent merges the previously separate spherical bodies and connecting rod into a single integrated cartridge assembly. The spherical bodies are directly mounted on the cartridge without external connecting rods, eliminating the mechanical interfaces that cause wear and misalignment. This integration maintains the multiway diversion capability while significantly improving alignment precision and reducing mechanical failure points.
3Adaptability or versatility
If conventional multiway valves use spherical bodies with through conduits, then the valve achieves flow diversion function, but the size increases due to reciprocally aligning requirements
Solution Approach 1:
The patent applies the nesting principle by placing the spherical bodies directly on the cartridge in a compact arrangement, with the return rod nested within the cartridge structure rather than extending externally. This nested configuration allows the spherical bodies to be reciprocally aligned in a more compact space, reducing the overall valve size while maintaining the flow diversion function.
4Ease of operation
If conventional multiway valves use couplings between spherical bodies and return rod, then the valve achieves movable connection, but operative wear causes angular misalignments that decrease valve efficiency and tightness
Solution Approach 1:
The patent extracts and eliminates the external couplings between the spherical bodies and return rod. Instead, the spherical bodies are directly integrated onto the cartridge, removing the intermediate coupling components that cause wear and angular misalignments. This extraction maintains the necessary movable connection for operation while significantly improving valve tightness and reliability.
Data Source
AI summary
A multiway valve that may include a generally cylindrical shaped hollow valve body having at least one handling opening and a plurality of through openings made on the outer wall of the valve body and defining a first group of connecting openings and a second group of connecting openings. A handling element may be pivotally disposed in the valve body and include at least two first through radial openings made on the outer wall of the cartridge. A tubular shaped fluid mechanics insert may be housed inside the cartridge, and may have a second radial opening to let a fluid flow. The fluid mechanics insert may also include a cell formed inside the cavity of the insert to define a homogeneous fluid flow rate.