Liquid Transfer Device with Coaxial Cap Coupling
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Solution Overview
Problem
Traditional methods for transferring liquids between containers, such as using funnels, often result in waste and instability, especially with viscous liquids like hand soap, due to the need for manual stabilization and cleaning.
Innovation Solution
A liquid transfer device with coaxially aligned cap members and a fluid passage that physically and fluidically connects two containers, allowing for hands-free transfer by gravity, reducing waste and instability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a funnel is used to transfer liquid between containers, then the transfer process is simplified, but liquid waste increases due to residue remaining on the funnel
Solution Approach 1:
The patent introduces a transfer device that acts as an intermediary between the source and destination containers. This device includes a receiving chamber that collects liquid from the source container and a dispensing mechanism that controls flow to the destination container, eliminating direct contact between liquid and the user's hands while reducing waste through controlled transfer
Solution Approach 2:
The transfer device is designed to be self-cleaning or easy to clean through its specific geometry and material properties. The smooth surfaces and optimized flow paths allow liquid to drain completely without leaving significant residue, reducing the need for extensive cleaning and minimizing waste
2Device complexity
If manual stabilization of containers is used during transfer, then transfer can be performed with simple equipment, but stability and spill prevention deteriorate
Solution Approach 1:
The transfer device is divided into distinct functional segments: a receiving portion that attaches to the source container, a transfer mechanism in the middle, and a dispensing portion that connects to the destination container. This segmentation allows each part to be optimized for its specific function while maintaining overall stability without requiring manual intervention
Solution Approach 2:
The invention transitions from manual 3D stabilization to a structured dimensional approach where containers are positioned in specific orientations and orientations are maintained through the device's rigid structure, eliminating the need for continuous manual adjustment
3Productivity
If viscous liquids like hand soap are transferred using traditional methods, then transfer can be performed, but cleaning requirements increase due to thick film residue
Solution Approach 1:
The device incorporates surface parameter optimization with smooth, non-stick coatings or material selections that minimize adhesion of viscous liquids. The internal geometry is designed with optimized flow paths and surface areas that facilitate complete drainage and reduce residue formation, making cleaning significantly easier
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 convenient and reduced-waste transfer of liquids between containers without the need for manual stabilization, maintaining stability and minimizing spillage during the process.
Implementation Method 1
a liquid within the first container flows solely by gravity from the reservoir of the first container, through the fluid passage of the liquid transfer device, and into the reservoir of the second container
Data Source
AI summary
A device for transferring liquids from between containers, and methods for its use. The device includes a body having an axis and first and second cap members at oppositely-disposed axial ends of the body. Cavities are present within the first and second cap members and define axial openings in the body. The cavities are coaxially aligned along the axis of the body and define interior walls within the first and second cap members on which female threads are formed. At least one fluid passage is within the body and fluidically interconnects the cavities. The axial openings in the body are configured to receive necks of first and second containers, and the female threads are configured to couple with male threads on the necks of the first and second containers such that the device physically couples the first and second containers together.