Auto-Cascade Gas Recharging via Flow Switch Sequencing

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Solution Overview

Problem

Current cascade systems for recharging compressed gas cylinders face inefficiencies due to premature block valve opening in manual systems and complex, costly plumbing in pneumatic and electrical auto-cascade systems, leading to reduced system efficiency and increased costs.

Innovation Solution

A flow switch triggered auto-cascade system using solenoid valves and an electronic sequencing module to control the sequential discharge of compressed gas storage cylinders, reducing the need for multiple lines and minimizing leaks, while maintaining efficient recharging through a single supply line and electronic control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual cascade control panel is used, then system simplicity is maintained, but operational complexity and training requirements increase

Engineering Contradiction:

Improvecontrol panel structureVSAvoidoperator training and attention

Core Design Contradiction:

Device complexityVSEase of operation

Solution Approach 1:

The system uses automatic pressure sensing and electronic control to perform the sequencing operation without requiring manual intervention. The microprocessor automatically monitors cylinder pressures, determines the optimal fill sequence, and controls the solenoid valves, making the system self-sufficient and eliminating the need for operator training while maintaining structural simplicity

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical valve operation with an electronic control system using solenoid valves and a microprocessor. This substitution eliminates the need for manual sequencing while keeping the physical structure simple, resolving the contradiction between device simplicity and operational ease

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Extent of automation

If pneumatic or electrical auto-cascade systems are used, then automation is achieved, but plumbing complexity and costs increase

Engineering Contradiction:

Improveautomatic sequencing controlVSAvoidplumbing system

Core Design Contradiction:

Extent of automationVSDevice complexity

Solution Approach 1:

The patent uses a single supply line that serves multiple functions: it provides compressed gas to all storage cylinders and acts as the return line for the electronic control system. This multi-functional design eliminates the need for separate pneumatic and electrical plumbing, achieving automation while minimizing plumbing complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the gas supply function and electronic control return function into a single line. The electronic components are powered through the same line that carries compressed gas, merging two separate systems into one and reducing overall plumbing complexity while maintaining automation

Inventive Principle:

Principle #5Merging (Combining)

3Extent of automation

If multiple lines are used in auto-cascade systems, then automation is enabled, but leak potential and costs increase

Engineering Contradiction:

Improveautomatic cylinder sequencingVSAvoidgas leaks

Core Design Contradiction:

Extent of automationVSObject-generated harmful factors

Solution Approach 1:

The patent merges the compressed gas supply function and electronic control signal return function into a single line. This reduces the number of connections and potential leak points while enabling automation through electronic control of solenoid valves that regulate gas flow from storage cylinders to the recharge cylinder

Inventive Principle:

Principle #5Merging (Combining)

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 maximizes the number of recharges by electronically sequencing gas flow, reducing operational complexity and costs, and ensuring reliable and efficient recharging of compressed gas cylinders.

Implementation Method 1

A flow switch triggered auto-cascade system using solenoid valves and an electronic sequencing module to control the sequential discharge of compressed gas storage cylinders

Methodology Applied

Scientific EffectFlow switch detection:

Implementation Method 2

A flow switch triggered auto-cascade system using solenoid valves and an electronic sequencing module to control the sequential discharge of compressed gas storage cylinders

Methodology Applied

Scientific EffectSolenoid actuation: Solenoid

Implementation Method 3

Sequence cascading the flow from the various individual storage cylinders beginning with the lowest pressure cylinder 1st then progressing to the next highest pressure cylinder will maximize the total number of compressed gas cylinders which can be recharged

Methodology Applied

Scientific EffectPressure differential flow: Pressure Gradient

Data Source

PatentUS9927066B1Fluid flow initiated and controlled automatic sequencing cascade system for the recharging of fluid cylinders

Publication Date: 2018.03.27 WONDERS SCOTT FREDRIC

AI summary

A system and method for recharging at least one fluid cylinder using a first fluid cylinder. The system uses a flow indicating switch which can comprise an internal magnetic source to detect the flow of fluid. The flow indicating switch is in communication with an electronic sequencing module. The electronic sequencing module controls the order and timing of discharge from the first fluid cylinder into the at least one fluid cylinder.