Two-Stage Regulator for Portable Beverage Dispenser
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Solution Overview
Problem
Existing beverage dispensing systems often over-pressurize kegs, leading to potential bursting, alteration of beverage taste, and excessive foaming, due to inadequate pressure regulation, particularly in single-stage systems that struggle to achieve the precise and consistent low pressures required to maintain dissolved carbon dioxide levels in carbonated beverages.
Innovation Solution
A portable beverage dispensing apparatus with a two-stage pressure regulator system that reduces high-pressure gas to a precise and consistent equilibrium pressure, matching the carbon dioxide pressure in the beverage, thereby preventing over-pressurization and ensuring optimal dispensing conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single stage pressure regulator is used with a high pressure gas source, then the device complexity is reduced, but the manufacturing precision and reliability of pressure control deteriorates
Solution Approach 1:
The pressure regulation system is divided into two distinct stages: a first pressure regulator that reduces high pressure (850 psi) to intermediate pressure (12-18 psi), and a second pressure regulator that further reduces it to equilibrium pressure (8-14 psi). This segmentation allows each regulator to operate within optimal pressure ranges, achieving precise control that would be impossible with a single regulator attempting a 70x pressure reduction.
2Productivity
If high pressure gas is applied to the keg, then the productivity of beverage dispensing is improved, but object-affected harmful factors increase
Solution Approach 1:
The first pressure regulator acts as an intermediary between the high pressure gas source (850 psi) and the keg, reducing the pressure to an intermediate level (12-18 psi) before it reaches the keg. This intermediary device enables efficient beverage dispensing while preventing the harmful effect of over-pressurization that could cause keg bursting.
3Speed
If pressure is increased to force beverage out of keg, then the speed of dispensing is improved, but object-generated harmful factors worsen
Solution Approach 1:
The system changes the pressure parameter through two distinct reduction stages, ending with the second pressure regulator that precisely controls the pressure to match the equilibrium pressure of dissolved CO2 (8-14 psi). This precise parameter control enables adequate beverage flow speed while preventing excessive foaming that occurs with higher pressures.
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 two-stage regulator system effectively maintains the desired carbon dioxide pressure, preventing keg bursting, preserving beverage quality, and minimizing foaming, while allowing for efficient and controlled dispensing of carbonated beverages from mini-kegs without the need for large refrigeration or additional hardware.
Implementation Method 1
A portable beverage dispensing apparatus with a two-stage pressure regulator system that reduces high-pressure gas to a precise and consistent equilibrium pressure
Implementation Method 2
the introduced carbon dioxide maintains the dissolved level of carbon dioxide in the beverage, thereby preventing the beverage from going 'flat'
Data Source
AI summary
A portable beverage dispensing apparatus including a spout assembly, a handle assembly pivotally attached to the spout assembly, and a first and second pressure regulator disposed within the handle assembly.