Pourer Flow-Channel Routing for Air-Bubble Prevention
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Solution Overview
Problem
Conventional pourers fail to adequately prevent air bubbles from entering the container during pouring, which can spoil the liquid content, especially for preservative-free or low-preservative products, and are often complex to manufacture.
Innovation Solution
A pourer design with a liquid flow channel comprising first, second, and third portions that redirect liquid flow to trap bubbles, combined with an air intake channel with a filter and optional non-return valves, preventing air ingress and ensuring continuous flow without interruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a check valve is located at the flow channel to prevent air entry, then air prevention is improved, but the device complexity increases and manufacturing becomes more difficult
Solution Approach 1:
The patent removes the check valve component entirely from the system. Instead of using a mechanical valve to prevent air entry, the design extracts this function by relying on the liquid flow itself and the filter structure to block air bubbles during pouring, thereby simplifying the device while maintaining air prevention capability.
Solution Approach 2:
The patent introduces a filter as an intermediary element at the air vent channel. This filter serves dual purposes: allowing air to enter the container during pouring while blocking air bubbles from entering through the flow channel, and preventing microbe contamination. The filter mediates between the need for air intake and air bubble prevention without requiring complex valve mechanisms.
2Reliability
If a sterile filter is added at the air vent channel, then microbe prevention is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The filter at the air vent channel is designed to perform multiple functions simultaneously: it allows air intake during pouring, blocks air bubbles from entering the container through the flow channel, and prevents microbe contamination. By making the filter multi-functional, the patent avoids adding separate components for each function, thereby maintaining ease of manufacture while achieving reliable microbe prevention.
3Reliability
If the pourer uses a complex structure to prevent air bubbles, then air bubble prevention is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The patent extracts complex air bubble prevention mechanisms from the design and replaces them with a simpler system based on liquid flow dynamics and filter placement. The flow channel geometry and liquid trap formation naturally prevent air bubbles without requiring additional mechanical components, improving ease of manufacture while maintaining air bubble prevention reliability.
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
Prevents air bubbles from entering the container, maintains liquid quality, and simplifies manufacturing, extending the shelf life of preservative-free or low-preservative liquids while ensuring uninterrupted pouring.
Implementation Method 1
the liquid flow channel comprises a first portion, a second portion connected to the first portion, and a third portion connected to the second portion such that during the flow of the liquid the latter passes successively via the first portion, the second portion and the third portion
Implementation Method 2
an air vent channel via which air enters the bottle during the flow of the liquid via the flow channel; wherein a check-ball valve is at the flow channel and a sterile filter is at the air vent channel for filtering the air
Implementation Method 3
a flow channel via which the drink flows and exits the bottle under the effect of gravity when the pourer with the bottle is at a serving/pouring position
Data Source
AI summary
A pourer installable on a container for pouring a liquid from the container, the pourer includes a liquid flow channel configured to permit a flow of the liquid in an outflow direction; an air intake channel; a filter at the air intake channel. The liquid flow channel may includes a first portion, a second portion, and a third portion; wherein the flow of the liquid the first portion is configured to direct the liquid to flow towards the outflow direction, the second portion is configured to direct the liquid to flow towards a direction opposite the outflow direction, and the third portion is configured to direct the liquid to flow towards the outflow direction. The pourer may include a non-return valve at the air intake channel.