Cartridge Infusion Unit Retention for Jam-Free Beverage Loading

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing motor-driven infusion devices for making beverages using cartridges are complex and prone to user errors, especially when handling multiple cartridges or incorrect positioning, which can lead to operational inefficiencies and potential damage.

Innovation Solution

The infusion device features a motor-controlled openable infusion unit with two standby zones and advanced retaining and detection mechanisms to simplify operations, prevent cartridge jamming, and ensure correct positioning, using a mobile part and fixed contact parts with a motor-driven movement system and safety detectors to manage cartridge placement and expelling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If motor-driven units are used with push-button controls, then beverage dispensing is automated, but device complexity increases and user errors become more frequent

Engineering Contradiction:
Improvebeverage dispensing automationVSAvoidcontrol operation complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The device automatically detects cartridge presence and position, and autonomously manages the infusion process without requiring users to understand complex control sequences. The system serves itself by monitoring its own state and executing appropriate actions, reducing the cognitive burden on users while maintaining automation benefits

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If multiple cartridges are used for beverages like cappuccino, then beverage variety is improved, but operational complexity and user errors increase

Engineering Contradiction:
Improvebeverage varietyVSAvoidoperational simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The device prepares multiple cartridges in advance by positioning them in designated standby zones before the infusion process begins. This preliminary arrangement ensures that when multiple cartridges are needed (e.g., for coffee and milk in a cappuccino), they are already in place and properly oriented, eliminating the need for users to manually manage complex multi-cartridge sequences

Inventive Principle:
Principle #10Preliminary action

3Productivity

If cartridges are retained in standby positions, then operational efficiency is improved, but incorrect positioning management becomes a problem

Engineering Contradiction:
Improveoperational efficiencyVSAvoidcartridge positioning accuracy
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The device incorporates detection means that continuously monitor cartridge presence and position in standby zones. This feedback mechanism allows the system to verify correct cartridge placement automatically, providing real-time information about cartridge status and enabling the control unit to take corrective actions or alert the user if positioning is incorrect, thus ensuring reliability while maintaining operational efficiency

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP2768356B1Infusion device for making beverages using cartridges
Publication Date: 2016.01.13 CAFFITAL SYST SPA
  • EP2768356B1 patent drawingFigure 1
  • EP2768356B1 patent drawingFigure 2
  • EP2768356B1 patent drawingFigure 3

AI summary

An infusion device for making beverages using cartridges, such as capsules or pods, containing at least one food substance, comprising an infusion unit (3) comprising at least two parts, at least one of which is able to move between a home position and an operating position, at least one insertion section (34) for inserting the cartridge (2) in the device (1), from which the cartridge (2) can then be fed to a first standby zone (8), at least one check and control unit (35) for device (1) operation, and second retaining means (36) positioned between the insertion section (34) and the first standby zone (8), the second retaining means in turn being able to move between a first position in which they can retain a cartridge (2) and a second position in which they allow the cartridge (2) to advance, the second retaining means (36) being able to move as one with the mobile part (4) and comprising at least one mobile element (38) removably coupled to the mobile part (4) of the unit (3), and means for uncoupling the mobile element (38) from the mobile part (4) when, during movement of the mobile part (4), the mobile element (38) opposes said movement with a force which is greater than a predetermined maximum force.