Modular Non-Spill Fluid Couplings With Integrated Valve Sealing
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Solution Overview
Problem
Existing fluid coupling devices often result in fluid spillage during connection and disconnection, posing a risk of damage to electronics and requiring complex designs that lack manufacturing flexibility.
Innovation Solution
The development of modular, non-spill fluid coupling devices with a valve mechanism and elastomeric seals that ensure minimal fluid discharge by blocking discharge paths and preventing spillage, featuring a robust latching system and tactile feedback for secure connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fluid coupling devices are used, then fluid flow connection is achieved, but fluid spillage occurs during connection and disconnection
Solution Approach 1:
The valve member is positioned to block the fluid flow path before the coupling components are fully disconnected, preventing fluid spillage in advance. During the disconnection process, the valve closes prior to separation, and during connection, the valve opens after engagement, ensuring no fluid escapes during transitions.
Solution Approach 2:
The valve member acts as an intermediary element between the fluid source and the coupling interface. It mediates the fluid flow by opening or closing the passage based on the connection state, preventing direct exposure of fluid to the external environment during coupling operations.
2Object-generated harmful factors
If non-spill valve mechanisms are added to prevent fluid spillage, then fluid discharge is blocked, but device complexity increases
Solution Approach 1:
The valve mechanism is merged with the coupling components themselves. The valve member is integrated into the second coupling component, and the actuation mechanism is combined with the latching system, eliminating the need for separate valve assemblies and reducing overall device complexity.
Solution Approach 2:
The valve mechanism is self-actuating through the latching system. The same mechanical action that latches the coupling components together also opens the valve, and the unlatching action automatically closes the valve, eliminating the need for separate control mechanisms.
3Productivity
If modular design is implemented, then manufacturing efficiency is enhanced, but device complexity increases
Solution Approach 1:
The coupling device is divided into distinct modular components: first coupling component, second coupling component, and fluid coupling module. Each module can be manufactured independently and assembled through standardized interfaces, enabling parallel production and simplifying quality control.
Solution Approach 2:
The fluid coupling module is designed as a universal component that can be integrated with different coupling component designs. The standardized interface and latching mechanism allow the same fluid coupling module to work with various first and second coupling components, reducing the total number of unique parts needed.
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
The solution provides reliable non-spill connections, reduces the risk of fluid exposure to electronics, enhances manufacturing efficiency, and offers cost-effective spare parts management through modular design and user-friendly operation.
Implementation Method 1
a valve sleeve disposed between the stem and the module housing. The valve sleeve is movable along the stem within the module internal space between: (i) a closed position in which the valve sleeve seals the first opening off from the second opening
Implementation Method 2
an elastomeric seal disposed within an annular seal groove defined by the module housing and engaging with an outer periphery of the stem so as to seal the module internal space
Data Source
AI summary
Some fluid coupling devices described herein are configured as non-spill fluid couplings. In addition, some embodiments described in this document relate to fluid coupling devices that are constructed modularly, and to modules that can be universally incorporated into the construction of multiple different types of fluid couplings. Further, fluid handling component coupling members are described.