Piercing Cartridge Post-Mix Beverage Dispensing Without Calibration

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Solution Overview

Problem

Conventional beverage dispensing systems generate significant waste, particularly from plastic bottles and packaging, and are often complex and cumbersome for consumer use, requiring frequent calibration to ensure proper syrup-to-liquid ratios.

Innovation Solution

A cartridge-based beverage dispensing system that combines a container with an attachment mechanism and a cartridge, where the cartridge is pierced to release its contents into the container, allowing mixing with a liquid to create a drinkable beverage, with a simple and user-friendly mechanism for inserting, locking, and releasing the cartridge.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If concentrated beverage syrups are used in post-mix systems, then waste from plastic bottles is reduced, but the system becomes too complicated and expensive for consumer use

Engineering Contradiction:
Improveplastic bottle wasteVSAvoidsystem complexity
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The system is divided into two separate components: a simple dispensing mechanism and replaceable syrup cartridges. This segmentation allows the dispensing system to remain simple and consumer-friendly while the cartridges handle the concentrated syrup storage and dosing, resolving the contradiction between waste reduction and system complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention uses disposable syrup cartridges that are pre-filled with concentrated syrup. These single-use cartridges eliminate the need for complex calibration and cleaning systems, making the overall system simple enough for consumer use while still reducing plastic waste compared to ready-to-drink bottles

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Productivity

If conventional post-mix systems are used, then large quantities of beverages can be dispensed, but frequent calibration is required to maintain proper syrup-to-liquid ratios

Engineering Contradiction:
Improvebeverage dispensing capacityVSAvoidcalibration maintenance
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The syrup cartridges are pre-filled with the exact amount of syrup needed and pre-calibrated during manufacturing. This preliminary action ensures that when consumers use the system, no calibration is required - the cartridges are simply inserted and the system automatically dispenses the correct syrup-to-liquid ratio, maintaining both high productivity and ease of operation

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system is designed to be self-calibrating through the cartridge mechanism. The cartridges contain pre-measured syrup quantities and the dispensing system automatically controls the mixing ratio, eliminating the need for user calibration while maintaining consistent beverage quality across large dispensing volumes

Inventive Principle:
Principle #25Self-service

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

Reduces waste by eliminating the need for plastic bottles and packaging, simplifies the dispensing process, and ensures consistent beverage quality without the need for frequent calibration, making it more accessible and convenient for consumers.

Implementation Method 1

The piercing portion (124) may generally pierce the cartridge, thereby releasing the contents of the cartridge into the container (110).

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Implementation Method 2

combining the contents of the cartridge (150) with the liquid within the container (110) to create a drinkable beverage

Methodology Applied
Scientific EffectDiffusion: Diffusion

Implementation Method 3

combining the contents of the cartridge (150) with the liquid within the container (110) to create a drinkable beverage

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP2397421B1Post-mix beverage system
Publication Date: 2016.12.21 PEPSICO INC
  • EP2397421B1 patent drawingFigure 1
  • EP2397421B1 patent drawingFigure 1A
  • EP2397421B1 patent drawingFigure 2A1~2B2

AI summary

A beverage dispensing system (100) comprises a container (110), an attachment mechanism (120), and a cartridge (150). The container may hold a mixing solution or liquid, such as water, to be mixed with the contents of the cartridge. The attachment mechanism (120) is generally located within the container (110). The attachment mechanism (120) may comprise an engagement assembly, a piercing portion (124), and a valve assembly (126). The engagement assembly may generally receive the cartridge (150) within the attachment mechanism. The piercing portion (124) may generally pierce the cartridge, thereby releasing the contents of the cartridge into the container (110). The valve assembly (126) may generally open upon engagement of the cartridge (150) with the attachment mechanism. The cartridge generally engages with the attachment mechanism to open the cartridge (150) to be dispensed into the container (110), thereby combining the contents of the cartridge (150) with the liquid within the container (110) to create a drinkable beverage.