Beverage Shutoff Valve Using Syrup Pressure Loss to Stop Water
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing post-mix beverage dispensing assemblies fail to effectively monitor and coordinate the dispensing of syrup and carbonated water in open systems, leading to over-dilution when the syrup source is depleted, as they lack a reliable mechanism for automatic shutoff in open beverage systems.
Innovation Solution
A shutoff valve system with at least two inlets and two outlets, featuring an actuator rod that blocks the water outlet in response to pressure changes caused by air flow from the syrup inlet, allowing for automatic shut-off of water flow when the syrup level drops below a certain threshold, preventing over-dilution in beverages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If separate sources for syrup and water are used in post-mix beverage dispensing assemblies, then the system can dispense beverages with mixed syrup and carbonated water, but the system fails to monitor and coordinate dispensing, allowing water to flow without syrup when the syrup source is depleted
Solution Approach 1:
The patent employs a feedback mechanism where a float device monitors the syrup level in the reservoir and provides continuous feedback to the control system. When the syrup level drops below a threshold, the float position changes, triggering a signal to the solenoid valve to shut off water flow, thereby coordinating dispensing based on real-time syrup availability
Solution Approach 2:
The patent introduces a solenoid valve as an intermediary device between the water source and the dispensing nozzle. This intermediary component acts as a controlled gatekeeper, allowing water flow only when the syrup level is sufficient, thus preventing uncoordinated dispensing of water without syrup
2Measurement precision
If vacuum-based control systems are used to detect syrup depletion, then the system can sense low syrup levels, but the system requires complex vacuum generation mechanisms and ball valves that are difficult to implement in open beverage systems
Solution Approach 1:
The patent replaces complex vacuum-based mechanical detection systems with a simpler float-based mechanical level detection system. The float device directly responds to syrup level changes through buoyancy, eliminating the need for vacuum generation mechanisms, pressure sensors, and complex signaling systems while maintaining reliable detection capability
Solution Approach 2:
The patent employs simple, inexpensive components such as a float device and solenoid valve instead of complex vacuum systems. These components are readily available, easy to replace, and cost-effective, making the system more practical for open beverage systems where simplicity and maintenance ease are crucial
3Measurement precision
If syrup dosing valves with pressure sensitive elements are used, then the system can detect syrup supply level, but the system is not effective in open beverage systems where pressure conditions vary
Solution Approach 1:
The patent replaces pressure-sensitive electronic detection systems with a purely mechanical float-based level detection system. The float responds directly to the physical presence of syrup through buoyancy, independent of pressure conditions, making it universally applicable to both closed and open beverage systems without requiring pressure compensation or calibration
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 ensures that water flow is automatically shut off when the syrup level is low, preventing the dispensing of over-diluted beverages by independently controlling the flow of syrup and water, maintaining beverage quality in open source syrup tanks.
Implementation Method 1
an actuator rod that is configured to block the second outlet in response to a pressure change at the first inlet, which is caused by air flow from the first inlet
Data Source
AI summary
A shutoff valve system for dispensing beverage from an open source syrup tank is presented. The shutoff valve system includes a syrup inlet receiving syrup from the open source syrup tank and a syrup outlet dispensing the syrup to a pump. The shutoff valve also includes a water inlet receiving water, and a water outlet dispensing the water to a dispensing point. Two distinct inlets and outlets for syrup and water prevent the syrup and water being mixed in the shutoff valve. The shutoff valve system further includes an actuator rod that is configured to block the water outlet in response to a pressure change at the syrup inlet, where the pressure change is caused by air flow from the syrup inlet.