Foamed liquid dispensing system
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Solution Overview
Problem
Existing foamed liquid dispensing systems are prone to fouling, requiring frequent cleaning and are not suitable for perishable liquids due to intricate dismantlement, limiting their hygiene and usability.
Innovation Solution
A foamed liquid dispensing system with a gas compressor that charges a container with a desired final gas pressure, monitored by a pressure sensor and controlled by a user interface, allowing for easy connection and disconnection, and featuring a visual display for pressure indication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing foamed liquid dispensing systems are used, then foaming function is achieved, but fouling occurs frequently requiring intricate cleaning
Solution Approach 1:
The system divides the dispensing apparatus into separable components: a removable container that can be detached from the base unit. This segmentation allows the container to be easily removed for cleaning or replacement without dismantling the entire system, thereby maintaining foaming functionality while significantly reducing cleaning complexity and frequency.
2Reliability
If existing foamed liquid dispensing systems are used, then foaming function is achieved, but intricate dismantlement is required limiting suitability for perishable liquids
Solution Approach 1:
The dispensing system is segmented into a removable container and a base unit with the foaming mechanism. This allows the container to be easily detached and replaced without complex dismantlement, making the system suitable for perishable liquids that require frequent container changes while preserving the foaming function in the base unit.
Solution Approach 2:
The container is extracted as a separate, removable component from the base unit. This extraction allows the container to be independently handled, cleaned, or replaced without affecting the complex foaming mechanism in the base, thereby reducing dismantlement complexity while maintaining foaming functionality.
3Measurement precision
If gas compressor is used to charge container, then gas pressure control is improved, but system complexity increases
Solution Approach 1:
The system incorporates a gas compressor and pressure sensing means that automatically monitor and regulate the gas charge in the container. The pressure sensing means detects when the desired pressure is reached and signals the compressor to stop, enabling self-regulating pressure control without requiring manual intervention or complex external control systems.
Solution Approach 2:
The system uses pressure sensing means to continuously monitor the gas pressure in the container and provides feedback to the control unit. This feedback mechanism allows the system to automatically adjust the compressor operation to maintain the desired pressure level, improving pressure control precision while keeping the system relatively simple through automated closed-loop control.
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 system effectively maintains the desired gas pressure in the container, ensuring consistent foaming without frequent cleaning, suitable for perishable liquids and reducing maintenance, and allowing for easy operation and pressure control.
Implementation Method 1
The unit 3 incorporates a gas compressor 5 which is able to charge the container with pressurized gas
Implementation Method 2
gas pressure sensing means adapted to continuously monitor the pressure of gas within the container
Implementation Method 3
a foam-dispensing nozzle assembly including a dispensing means for creating a laminar flow of a foamed mixture
Data Source
AI summary
A foamed liquid dispensing system includes a container for receiving a liquid to be dispensed connectable to, and removable from, a gas charging unit. The gas charging unit includes a gas compressor, gas pressure sensing means, a control unit and a user interface. The user interface permits a user to input a desired final gas pressure from a minimum value to a maximum value in discrete steps. The control unit instructs the gas compressor to charge the container with gas to the desired final pressure. The gas pressure is continuously monitored and the flow of gas into the container is stopped once the desired final gas pressure has been reached. The user interface displays the gas pressure in the container as the charging cycle proceeds. Once charged with gas and removed from the gas charging unit, the container substantially retains the final desired gas pressure until the liquid is dispensed.