Flexible High-Speed Beverage Filling for Rapid Product Changeovers

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Solution Overview

Problem

Beverage bottlers face significant downtime and inefficiencies when changing over from one product to another on traditional filling lines due to the need to flush tanks and pipes, limiting their ability to produce small volumes of diverse products and customize flavors efficiently.

Innovation Solution

A high-speed filling line that incorporates a counter-pressure nozzle for carbonated water, upstream sweetener nozzles, and downstream micro-ingredient towers, allowing for rapid adaptation to different beverages and additives, with a sold-out system to prevent downtime.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional batch process filling lines are used to maintain product purity and quality, then beverage quality is ensured, but production downtime increases significantly during changeover between products

Engineering Contradiction:
Improvebeverage qualityVSAvoidchangeover downtime
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The filling line is divided into multiple independent filling heads (e.g., 8-16 filling positions), each capable of handling different products simultaneously. This segmentation allows different beverage types to be filled in parallel without requiring complete line shutdown for changeover, thus maintaining quality through dedicated filling zones while reducing total changeover time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filling line is designed with universal filling heads that can handle multiple beverage types (carbonated, still, flavored, different viscosities) through programmable control systems. The same filling hardware can be rapidly reconfigured via software to accommodate different products, eliminating the need for physical reconfiguration and reducing downtime while maintaining quality standards.

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

2Adaptability or versatility

If filling lines are changed over from one product to another using traditional methods, then product switching is achieved, but production efficiency decreases due to flushing requirements

Engineering Contradiction:
Improveproduct switching capabilityVSAvoidproduction efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The traditional mechanical flushing system is replaced with an automated valve control system that uses programmable logic to direct product flow and perform rapid changeovers. The system uses electronic control instead of manual mechanical operations, allowing instant switching between products through valve actuation without time-consuming flushing procedures, thereby maintaining versatility while improving productivity.

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

Solution Approach 2:

The system performs preliminary purging actions automatically during transition periods between products. Quick-purge valves are pre-positioned to rapidly clear residual product from lines before switching to the next beverage type, minimizing contamination risk and eliminating the need for extended flushing while maintaining product integrity.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If small volumes of diverse products are produced on traditional filling lines, then product variety increases, but downtime between production runs increases

Engineering Contradiction:
Improveproduct diversityVSAvoiddowntime between runs
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The filling line maintains continuous operation by implementing rapid changeover capabilities that eliminate idle time between product runs. The system can switch between different beverage types in minutes rather than hours, allowing small volume production of diverse products to proceed without significant downtime, thus maintaining both versatility and operational continuity.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The filling line is designed with dynamic reconfiguration capabilities where filling parameters, valve positions, and flow rates can be automatically adjusted in real-time based on the product being filled. This dynamic adaptability allows the system to handle small volumes of diverse products efficiently by optimizing settings for each product type without requiring physical reconfiguration or extended downtime.

Inventive Principle:
Principle #15Dynamics

4Productivity

If rapid changeover between products is implemented, then productivity improves, but manufacturing complexity increases

Engineering Contradiction:
Improvechangeover speedVSAvoidfilling line complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Complex mechanical reconfiguration mechanisms are replaced with automated valve arrays and programmable control systems. The rapid changeover capability is achieved through electronic control of multiple valves and sensors rather than complex mechanical adjustments, reducing moving parts while increasing control sophistication. This substitution maintains high productivity while managing complexity through automation rather than mechanical complexity.

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

Solution Approach 2:

A centralized control system acts as an intermediary between the operator and the complex filling line components. The control system manages the coordination of multiple valves, sensors, and filling heads, simplifying the user interface while handling the complexity of rapid changeover internally. This intermediary layer allows rapid productivity improvements while shielding operators from the underlying system complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 efficient production of personalized beverage mixes with reduced downtime, allowing for quick changes between products and simultaneous flavor mixing without costly interruptions.

Implementation Method 1

the water circuit comprises a counter-pressure nozzle to fill the container with carbonated water

Methodology Applied
Scientific EffectCounter-pressure: Pressure Increase

Data Source

PatentEP3697724B1Flexible high speed filling line for personalized beverage package mixes
Publication Date: 2025.07.16 THE COCA COLA CO
  • EP3697724B1 patent drawingFigure 1
  • EP3697724B1 patent drawingFigure 2~4
  • EP3697724B1 patent drawingFigure 5~6

AI summary

The present application provides a filling line for filling a container with one of a number of different beverages. The filling line may include a water circuit with a counter-pressure nozzle to fill the container with carbonated water and one or more micro-ingredient towers with a number of micro-ingredients therein positioned downstream of the counter-pressure nozzle to fill the container with the micro-ingredients.