Double-Ball Pipe Coupling for Eccentric Angles and Low Flow Loss
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Solution Overview
Problem
Conventional pipe joints struggle with connecting pipes at eccentric angles, especially in limited spaces and under dynamic conditions, often restricting fluid flow and requiring excessive effort or component modification.
Innovation Solution
An oval-shaped outer shell with two ball-shaped joints that allow for multi-axial connection and flexibility without restricting fluid flow, featuring adjustable inner ball joints and indicator marks for maximum movement, and a locking ring for secure sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed-angle pipe joints are used, then alignment can be achieved in standard configurations, but they require ample space, extensive experience for proper alignment, and cannot accommodate limited pipe movement
Solution Approach 1:
The patent employs two ball joints that can rotate independently within the coupling body, allowing the connection to dynamically adapt to various angular configurations. This dynamic mechanism enables the coupling to accommodate different pipe angles and movements without requiring precise pre-alignment, thereby resolving the contradiction between adaptability and ease of operation.
Solution Approach 2:
The invention introduces rotational freedom in multiple dimensions through the ball joint mechanism. Instead of being constrained to a single fixed angle, the coupling can rotate and pivot in multiple directions, adding dimensional flexibility to the connection. This multi-dimensional movement capability allows the system to adapt to complex pipe configurations while simplifying installation.
2Adaptability or versatility
If flexible pipe connectors are used, then connection of pipes at odd angles and limited space is easier, but stronger construction types are limited in flexibility and may break, while weaker materials cannot withstand high pressures
Solution Approach 1:
The coupling body is constructed from a composite structure combining a rigid outer shell with internal flexible ball joint mechanisms. This composite design provides both the structural strength needed to withstand high pressures and the flexibility required for eccentric pipe connections. The rigid shell ensures pressure resistance while the internal ball joints provide the necessary adaptability.
Solution Approach 2:
The coupling is divided into distinct functional segments: a rigid coupling body for structural strength and pressure containment, and flexible ball joints for adaptation to various angles. This segmentation allows each component to be optimized for its specific function - the body for strength and the joints for flexibility - thereby resolving the contradiction between reliability and adaptability.
3Device complexity
If single ball joint designs are used, then construction is simpler, but flexion is limited and fluid flow restrictions occur
Solution Approach 1:
The patent combines two ball joints within a single coupling body, merging their rotational capabilities to provide enhanced flexibility. This combination allows for greater angular adaptation and eccentric connections compared to a single ball joint, while the integrated design within one coupling body maintains relative simplicity. The merged system provides cumulative rotational freedom without proportionally increasing complexity.
Solution Approach 2:
The use of spherical ball joints provides optimal geometric properties for multi-directional rotation. The spherical shape allows for smooth rotation in multiple axes with constant radius, maximizing the degree of flexion available before fluid flow restrictions occur. This geometric choice enables greater adaptability while maintaining a relatively simple spherical joint design.
4Ease of operation
If pipe couplings restrict fluid flow to achieve angular connections, then alignment is achieved, but friction loss increases and fluid pathways are restricted
Solution Approach 1:
The dynamic ball joint mechanism allows the fluid pathway to rotate and align with the flow direction rather than creating fixed sharp angles. This dynamic alignment capability reduces turbulence and friction in the fluid flow, minimizing energy loss while still achieving the necessary pipe alignment. The fluid pathway can adapt its orientation to maintain smoother flow conditions.
Data Source
AI summary
A double ball pipe coupling with two axes for connecting fluid pipes or conduits at eccentric angles while reducing or eliminating frictions loss. The coupling also provides movement of pipes or fluid pathways that are under low to high pressures. Two outer shell halves contain two ball joints with protruding connections and or outer fittings for most applications. The shell halves being mostly uniform or oblong or distorted for highly non-collinear connections. The ball joints containing pathways rotate within each shell half while permitting fluid flow as intended while greatly reducing restrictions.


