Gas Infuser Capillary Flow Control for Consistent Mixing
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Solution Overview
Problem
Existing gas infusers struggle to maintain consistent gas infusion into liquids due to pressure fluctuations, leading to inconsistent gas-liquid mixing results.
Innovation Solution
A gas infuser with a gas-volume controller that includes a fitting and a capillary tube or plug, forming a circuitous path to regulate gas volume independently of inlet pressure fluctuations, ensuring consistent gas infusion into a mixing chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If gas is supplied directly into the mixing chamber without pressure regulation, then gas infusion speed is fast, but gas flow rate becomes inconsistent due to pressure fluctuations
Solution Approach 1:
A capillary tube is introduced as an intermediary component between the gas source and mixing chamber. The capillary tube's narrow bore creates high flow resistance that dampens pressure fluctuations, allowing fast gas infusion while maintaining consistent flow rate through the restrictive passage.
Solution Approach 2:
The capillary tube changes the flow parameters by creating a restrictive passage with specific dimensions. The narrow bore and sufficient length of the capillary tube transform the gas flow characteristics, converting unstable high-speed flow into stable consistent flow through the restricted geometry.
2Device complexity
If a simple direct connection is used between gas source and mixing chamber, then device complexity is low, but gas volume control precision is poor
Solution Approach 1:
The capillary tube serves as a simple intermediary component that provides precise gas volume control through its restricted geometry. This single component achieves flow regulation without requiring complex valves or control mechanisms, maintaining low device complexity while improving control precision.
3Speed
If pressure fluctuations are allowed to pass through the gas supply system, then system responsiveness is high, but gas-liquid mixing consistency deteriorates
Solution Approach 1:
The capillary tube acts as a flow stabilizing intermediary that filters out pressure fluctuations while maintaining system responsiveness. The restrictive passage dampens pressure variations before gas enters the mixing chamber, ensuring consistent gas-liquid mixing ratios even when upstream pressure changes.
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 gas-volume controller maintains a consistent gas flow rate into the mixing chamber, enhancing the consistency of the gas-infused liquid production by stabilizing gas infusion despite pressure variations.
Implementation Method 1
The capillary tube includes a coil and stems extending from opposing ends of the coil
Implementation Method 2
A circuitous path is formed through the capillary tube to control a volume of gas that passes from the inlet to the outlet of the fitting substantially independent of pressure fluctuations
Data Source
AI summary
A gas infuser includes a mixing chamber and a liquid injector. Gas is supplied into the mixing chamber and liquid flows through openings of the injector to mix with the gas in the mixing chamber and form a gas-infused liquid.