Integrated CO2 Cylinder Valve for Pressure Build and Gas Regulation
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Solution Overview
Problem
The existing configuration of pressure build regulators and final-line gas regulators for CO2 cylinders in beverage dispensing systems requires multiple connections, fittings, and valves, leading to a complex setup with numerous potential leak points and increased maintenance needs.
Innovation Solution
A combination valve that integrates pressure build and final-line gas regulation functions, utilizing piston diaphragms and biasing springs to manage pressure within the CO2 cylinder and regulate gas flow to beverage dispensing machines, reducing the number of components and potential leak points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate pressure build regulator and final-line gas regulator are used, then pressure control functions are achieved, but device complexity and number of components increase
Solution Approach 1:
The patent combines two separate regulators (pressure build regulator and final-line gas regulator) into a single integrated valve assembly. The body houses both a pressure build mechanism with first diaphragm and plug, and a final-line regulation mechanism with second diaphragm and plug, eliminating the need for separate external regulators and reducing component count while maintaining dual pressure control functions
Solution Approach 2:
The single valve body performs multiple functions: it acts as both a pressure build regulator (controlling pressure from liquid CO2 to gas CO2 in the tank) and a final-line gas regulator (controlling pressure to the beverage dispensing machine). This multi-functional design replaces what would traditionally require two separate devices
2Reliability
If multiple connections and fittings are used, then pressure regulation functions are achieved, but potential leak points increase
Solution Approach 1:
By integrating both regulation functions into a single valve body with unified internal passages and sealing mechanisms, the patent reduces the number of external connections and fittings required. The internal architecture uses shared sealing surfaces and integrated port structures, minimizing the number of potential leak points while maintaining effective pressure regulation
3Reliability
If multiple valves and fittings are installed, then pressure control is achieved, but maintenance time and costs increase
Solution Approach 1:
The integrated valve assembly allows maintenance personnel to service both pressure build and final-line regulation functions through a single unit, reducing the time and cost associated with installing, removing, and servicing multiple separate components. The unified design simplifies the maintenance workflow while preserving dual pressure control capabilities
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 combination valve simplifies the system by reducing the number of components and potential leak points, thereby decreasing maintenance time and costs while effectively managing pressure and gas flow.
Implementation Method 1
a first piston diaphragm that responds to pressure changes to move a first plug
Implementation Method 2
a spring that applies a force to the first piston diaphragm
Data Source
AI summary
A combination valve for pressure building and final-line gas regulation is disclosed. An example valve includes a body defining a first tank port and a second tank port, an outlet port, and a linking chamber fluidly connected to the second tank port. The valve includes a first piston diaphragm at least partially defining a first pressure cavity fluidly connected to the first tank port and a first plug operatively connected to the first piston diaphragm. The first pressure cavity is fluidly connected to the linking chamber when the first plug is in an open position. The valve includes a second piston diaphragm at least partially defining a second pressure cavity fluidly connected to the outlet port and a second plug operatively connected to the second piston diaphragm. The second pressure cavity is fluidly connected to the linking chamber when the second plug is in an open position.