Capsule Identification Probes for Reliable Beverage Machine Sensing

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Solution Overview

Problem

Beverage production machines struggle to accurately read capsule identification members with varying numbers of holes or recesses, requiring different forces for detection, which can lead to sensing errors or folding of the identification member.

Innovation Solution

The capsule identification member features a structured surface with localized contact receivers of varying depths or heights, and a resilient support member with transversal deformation capabilities, allowing probes to apply significant force without folding the member, while ensuring accurate detection regardless of hole or recess configuration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If a capsule identification member presents a surface with many holes or few recesses, then a weaker force is applied on this member, but the machine must be able to sense all these holes or absence of recesses even if the force is weaker, which leads to sensing errors

Engineering Contradiction:
Improveforce applied on identification memberVSAvoiddetection accuracy of holes or recesses
Core Design Contradiction:
ForceVSMeasurement precision

Solution Approach 1:

The patent changes the physical parameters of the probe by introducing a magnetic field interaction mechanism. Instead of relying solely on mechanical contact force, the probe uses magnetic attraction to maintain consistent contact force with the identification member regardless of the number of holes or recesses. This allows the machine to accurately sense all holes or recesses even when the mechanical force would naturally be weaker.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If an important force is applied on the capsule identification member to ensure detection, then detection accuracy improves, but the identification member can fold up during the identification phase

Engineering Contradiction:
Improvedetection accuracy of holes or recessesVSAvoidstructural integrity of identification member
Core Design Contradiction:
Measurement precisionVSStability of the object's composition

Solution Approach 1:

The patent introduces a magnetic field as an intermediary between the probe and the identification member. The magnetic field provides the necessary attractive force to ensure accurate detection of holes and recesses without requiring direct high mechanical force contact that would cause folding. The magnetic interaction allows force application while maintaining structural integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of information

If the identification member has many holes or recesses, then more information can be encoded, but a variable and weaker force is needed which makes sensing difficult

Engineering Contradiction:
Improveinformation capacity of identification memberVSAvoiddifficulty of sensing holes or recesses
Core Design Contradiction:
Loss of informationVSDifficulty of detecting and measuring

Solution Approach 1:

The patent replaces the purely mechanical sensing system with a hybrid system that uses magnetic field interaction. The probe incorporates magnetic elements that generate a magnetic field to interact with corresponding magnetic elements in the identification member. This substitution of mechanical force with magnetic interaction makes it easier to detect the presence or absence of holes and recesses, regardless of the number of such features encoded in the identification member.

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

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 reliable detection of capsule information across different hole or recess configurations without folding the identification member, ensuring precise control of beverage production parameters like temperature and brewing time.

Implementation Method 1

The displaceable probes are resiliably positioned at a distance of a circuitry of the machine control means by a resilient support member associated to the circuitry for providing the elasticity to the probe to enable its return into a non-contact position

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The resilient support member can be an elastomeric, preferably silicone member... and the insulation of the circuitry from the humidity coming from the capsule

Methodology Applied
Scientific EffectElectrical insulation: Dielectric

Implementation Method 3

The beverage production machine comprises displaceable probe that can penetrate, deform, displace the cover means at regions susceptible to present holes or recesses

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Data Source

PatentEP2515725B1Identification of beverage ingredient containing capsules
Publication Date: 2013.10.16 NESTEC SA
  • EP2515725B1 patent drawingFigure 1~2
  • EP2515725B1 patent drawingFigure 3
  • EP2515725B1 patent drawingFigure 4

AI summary

The invention concerns a beverage production system comprising beverage ingredient containing capsules (1) comprising an identification member (6) and a beverage production machine for receiving said capsules, said machine comprising contact means (8) for physically contacting the capsule identification member (6) in order to read information thereof and control means connected to the contact means and designed to control the operation of the beverage production machine (11) in response to the read information, the contact means (8) comprising : - at least one displaceable probe (81) which mechanically contacts the capsule identification member (6), - a resilient support member (82) in contact with the probe on one side and associated to a circuitry (9) on its other side, wherein the part of the resilient support member in contact with the probe presents such a shape that it is able to deform itself when the probe applies a force on it, the deformation being partially transversal to the direction applied by the force.