Magnetic Quick Disconnect Fitting for Fluid Systems
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Solution Overview
Problem
Current fluid transfer couplers often result in leakage and contamination due to the inability to efficiently connect and disconnect fluid chambers without applying excessive force, which can damage equipment and introduce impurities.
Innovation Solution
The development of magnetic couplers with magnetic fitting members that engage and disengage using magnetic attraction, allowing for secure fluid communication while minimizing the force required to separate, thus protecting sensitive equipment and maintaining fluid integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If conventional couplers are used to connect and disconnect fluid chambers, then fluid transfer can be achieved, but excessive force is required which can damage equipment and cause leakage
Solution Approach 1:
The patent replaces traditional mechanical threading and sealing mechanisms with magnetic coupling elements. The magnetic attraction force between oppositely polarized elements creates a secure connection without requiring high mechanical insertion forces, and allows for low-force separation by simply overcoming the magnetic attraction rather than unscrewing threaded connections.
Solution Approach 2:
The patent changes the physical state and properties of the coupling mechanism by using magnetic fields instead of mechanical forces. The magnetic coupling elements generate attractive forces that can be precisely controlled through material selection and geometry, enabling secure connection during fluid transfer while allowing easy separation when needed.
2Productivity
If conventional couplers are used for quick connection and disconnection, then fluid transfer efficiency is improved, but leakage and contamination occur due to improper sealing
Solution Approach 1:
The magnetic coupling mechanism eliminates the need for complex mechanical sealing systems found in conventional quick-connect couplers. The strong magnetic attraction maintains constant pressure between mating surfaces, ensuring reliable sealing during connection while the simple separation process minimizes the risk of contamination during disconnection.
Solution Approach 2:
The magnetic coupling elements act as intermediaries that mediate between the need for secure connection and easy separation. The magnetic field provides a controlled interaction that maintains sealing integrity during fluid transfer while allowing clean separation without the mechanical stress that causes leakage in conventional systems.
3Force
If magnetic coupling elements are used to reduce separation force, then equipment damage is prevented, but connection strength must be maintained for secure fluid transfer
Solution Approach 1:
The patent utilizes changes in magnetic field parameters to achieve the desired force characteristics. By selecting appropriate magnetic materials and configuring the coupling element geometry, the magnetic attraction force is optimized to provide strong connection during fluid transfer while requiring only minimal force to overcome during separation.
Solution Approach 2:
The magnetic coupling system replaces mechanical fastening mechanisms that require high forces for both connection and separation. The magnetic field provides a naturally asymmetric force profile where the attractive force during connection is strong and stable, but separation only requires overcoming the magnetic attraction rather than undoing mechanical engagement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick and secure connection/disconnection of fluid chambers, reducing leakage and contamination risks, and protecting equipment from excessive force, particularly useful in applications like automotive air conditioning system servicing where fluid measurement and handling are critical.
Implementation Method 1
magnetic attraction between the first and second magnetic coupling elements thereof holds the fitting means in engagement
Data Source
AI summary
A fitting for releasably coupling two structures and for maintaining fluid communication between the two structures has a first and second fitting member. The first fitting member includes a first ferromagnetic coupling element, and the second fitting member includes a second ferromagnetic coupling element. The first and second fitting members are constructed and arranged so as to be moved into engaged relation with one another and to be moved apart from on another so as to be separate from one another. Magnetic attraction between the first and second fitting members maintains the fitting members in engagement, and the fitting members are decoupled by applying force sufficient to overcome the magnetic attraction.