Beer Container Pressure Valve and Dual Chamber Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing portable beer barrels face challenges in user-friendliness and storage life due to internal pressure systems, with limited flexibility in propellant gas choice and material compatibility issues in recycling, leading to inefficiencies and environmental concerns.
Innovation Solution
A container design featuring a pressure chamber and pressure valve system that allows for adjustable pressure control, flexible gas choice, and reduced material thickness, enabling efficient beer dispensing and extended storage life while minimizing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an internal pressure system is used to keep pressure in the interior above ambient pressure, then the tap can be positioned in the upper area of the container and storage life is extended, but the flexibility in propellant gas choice is limited and material compatibility issues arise in recycling
Solution Approach 1:
The container is divided into two separate chambers: a fill chamber for the beverage and a pressure chamber for the propellant gas. This segmentation allows independent selection of materials and propellant types for each chamber, resolving the contradiction between maintaining reliable pressure for extended storage and enabling flexibility in propellant choice. The pressure chamber can be made of materials compatible with various propellants while the fill chamber remains optimized for beverage storage.
2Reliability
If a pressure cartridge made of metal other than the container wall material is used, then pressure control is achieved, but mixed scrap is generated in the recycling process
Solution Approach 1:
The pressure chamber base is integrated with the container base structure, and both are made from the same material. This merging eliminates the need for separate metal pressure cartridges, allowing the entire container including pressure components to be made from a single recyclable material. The pressure control function is maintained through the integrated design while avoiding mixed scrap generation in recycling processes.
3Strength
If the pressure chamber base and container base are made with sufficient thickness to withstand pressure, then structural integrity is maintained, but material usage and weight increase
Solution Approach 1:
The pressure chamber base is designed with an outward curvature that preliminary distributes and redirects pressure forces before they reach the container base. This preliminary structural action allows both the pressure chamber base and container base to be made thinner while maintaining overall structural integrity. The curved geometry pre-positiones structural support to counteract pressure loads, reducing the need for excessive material thickness.
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 enhances user convenience, extends beer storage life, and reduces material waste by allowing for precise pressure control and flexible gas use, improving the overall efficiency and sustainability of portable beer barrels.
Implementation Method 1
In the open condition of the pressure valve, the pressure valve establishes fluid communication between the fill chamber and the pressure chamber. In the closed condition of the pressure valve, the pressure valve separates the fill chamber and the pressure chamber in a fluid-tight manner from one another
Data Source
AI summary
A container whose content can be removed easily by a consumer. The container should be inexpensive to produce while being extremely easy to operate by the consumer, should provide a high degree of flexibility with respect to the choice of the propellant gas (pressure and type of gas) and should achieve a long storage life for the contents, even after the container has been tapped. The container comprises a fill chamber (40), a pressure chamber (6) and a pressure valve (10). The fill chamber (40) is formed by a container base (2), a container wall (7) and a container upper face (8), and a first pressure (pB) prevails in the fill chamber (40). The pressure chamber (6) is formed by the container base (2) and a pressure chamber base (5) and a second pressure (pD) prevails in the pressure chamber (6). The pressure valve (10) is connected to the container base (2) and the pressure chamber base (5). The pressure valve (10), when open, establishes fluid communication between the fill chamber (40) and the pressure chamber (6), and the pressure valve (10), when closed, separates the fill chamber (40) and the pressure chamber (6) in a fluid-tight manner from one another.