Extractor Valve Automatic Barrel Switching

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Solution Overview

Problem

Current beverage dispensing systems require manual intervention for barrel switching, leading to interruptions in service and inefficiencies, particularly in automating the process of replacing empty barrels without operator involvement.

Innovation Solution

An extractor valve with a pneumatic piston and solenoid valve system, connected to a programmable control panel, allows for automatic switching between barrels by piercing and un-piercing the barrel as needed, ensuring continuous dispensing without manual operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual barrel switching is performed, then the operator can control the process, but service interruptions occur and operational efficiency decreases

Engineering Contradiction:
Improveoperational efficiencyVSAvoidmanual intervention requirement
Core Design Contradiction:
ProductivityVSExtent of automation

Solution Approach 1:

The system performs automatic barrel switching without operator intervention. The control unit detects when a barrel is empty and automatically activates the piercing device to switch to the next barrel, allowing the system to serve itself and eliminate manual labor for this task.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The manual mechanical operation of switching barrels is replaced by an automated system combining sensors, control units, and pneumatic piercing devices. This substitution of mechanical manual operations with automated control systems resolves the contradiction between maintaining control and eliminating service interruptions.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Extent of automation

If automatic barrel switching is implemented, then service continuity is maintained, but system complexity increases

Engineering Contradiction:
Improveautomatic barrel switchingVSAvoidsystem complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The automatic switching system is divided into distinct functional modules: detection means for monitoring barrel status, control unit for processing information, and piercing device for execution. This segmentation allows each component to perform its specific function independently, managing complexity through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The extractor valve assembly serves multiple functions: it extracts beverage from barrels, detects when barrels are empty, controls the switching process, and pierces new barrels. By making the system multi-functional, the patent reduces the need for separate dedicated devices for each task, thereby managing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Speed

If rapid barrel switching is performed, then beverage supply continuity is ensured, but carbon dioxide entry and beverage wastage increase

Engineering Contradiction:
Improvebarrel switching speedVSAvoidbeverage wastage
Core Design Contradiction:
SpeedVSLoss of substance

Solution Approach 1:

The system detects when a barrel is nearly empty using detection means before complete depletion occurs. This preliminary detection allows the control unit to initiate the switching process at the optimal moment, ensuring continuous supply while minimizing the period during which the last barrel contains insufficient beverage, thereby reducing wastage.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The detection means continuously monitors barrel status and provides feedback to the control unit. This feedback mechanism enables the system to switch barrels at the precise moment when it becomes necessary, avoiding both premature switching (which would cause wastage) and delayed switching (which would interrupt supply).

Inventive Principle:
Principle #23Feedback

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

Enables instantaneous barrel switching, minimizing carbon dioxide entry and beverage wastage, improving user experience, reducing spillage, and enhancing operational efficiency with automated notifications for barrel replacement.

Implementation Method 1

an actuating solenoid valve, connected directly to a programmable control panel by means of electric wiring

Methodology Applied
Scientific EffectSolenoid: Solenoid

Implementation Method 2

A moving element that comprises a locking sleeve on its top part... connected to the beverage dispensing system by means of a flood python... including a bleed valve to relieve foam and gas

Methodology Applied
Scientific EffectPneumatic pressure: Pressure Increase

Data Source

PatentEP3336054B1Extractor valve for beverage dispensing
Publication Date: 2019.07.17 DOMINGUEZ RODRIGUEZ FERNANDO
  • EP3336054B1 patent drawingFigure 1~2
  • EP3336054B1 patent drawingFigure 3
  • EP3336054B1 patent drawingFigure 4~5

AI summary

Extractor valve 1 for beverage dispensing with automatic switching from a beverage container 28 such as a barrel to another and installation of the said extractor valve 1 without interrupting service and without need for handling by an operator when the respective container 28 is empty; the extractor valve comprises connections 10 for inlet of gas into the container 28 and for actuating the extractor valve, electrical connections governed from a control panel 7, connectors and lines 48 to convey the beverage contained in the containers 28, as well as chilled water, to a tap, said lines 48 being connected to a connection box 17 that enables the liquid to be distributed to the dispensing tap 18 through a python.