Centrifugal Brewing Capsule System for Controlled Coffee Extraction

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Solution Overview

Problem

Existing coffee brewing systems using centrifugal forces are inefficient due to manual dosing, high manual handling, and lack of control over coffee freshness and dosage, leading to inconsistent cup quality and limited commercial success.

Innovation Solution

A method and system for brewing beverages using a sealed capsule containing a predetermined dose of food substance, which is driven in centrifugal rotation to force water through the substance, allowing for controlled brewing parameters and improved in-cup quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual dosing of coffee powder is used in non-removable receptacles, then device complexity is reduced, but manufacturing precision of dosage and coffee freshness control deteriorate

Engineering Contradiction:

Improvereceptacle structureVSAvoiddosage control

Core Design Contradiction:

Device complexityVSManufacturing precision

Solution Approach 1:

Coffee powder is pre-dosed and pre-packaged in capsules before use. This preliminary action ensures precise dosage control and freshness preservation without requiring complex dosing mechanisms in the device. The capsule is prepared in advance with the exact amount of coffee needed, eliminating manual dosing errors.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The capsule acts as an intermediary carrier between the coffee powder and the brewing system. It pre-contains the precisely measured coffee dose and interfaces with the simple receptacle structure, resolving the contradiction between device simplicity and dosing precision.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Manufacturing precision

If sealed capsules with predetermined dose are used, then manufacturing precision of dosage is improved, but device complexity increases due to capsule opening mechanisms

Engineering Contradiction:

Improvedosage controlVSAvoidcapsule opening mechanism

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The capsule opening function is extracted as a separate, simple piercing action rather than a complex opening mechanism. The capsule is pierced by a needle or pin to create an opening, which is much simpler than traditional opening mechanisms. This maintains dosage precision while minimizing added device complexity.

Inventive Principle:

Principle #2Taking out (Extraction)

3Reliability

If centrifugal brewing is used instead of high pressure pumps, then reliability of extraction parameters is improved, but device complexity increases due to rotation mechanism

Engineering Contradiction:

Improveextraction parameter controlVSAvoidrotation mechanism

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The brewing mechanism transitions from high-pressure static extraction to centrifugal dynamic extraction. By changing the extraction parameter from pressure to centrifugal force (rotation speed), reliable control is achieved through rotational speed regulation, which can be implemented with simple motor control.

Inventive Principle:

Principle #35Parameter changes

4Ease of operation

If removable receptacles are used for cleaning convenience, then ease of operation is improved, but productivity decreases due to intensive manual handling

Engineering Contradiction:

Improvereceptacle cleaningVSAvoidcoffee preparation speed

Core Design Contradiction:

Ease of operationVSProductivity

Solution Approach 1:

The capsule is designed as a disposable single-use component that is discarded after one brewing cycle. This eliminates the need for cleaning the receptacle and coffee powder handling, improving productivity by removing manual cleaning steps while maintaining ease of operation through simple capsule insertion and removal.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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

The method achieves higher coffee solid contents and improved crema quality compared to traditional espresso methods, with more uniform water distribution and reduced risk of preferential flow paths, resulting in a more consistent and higher-quality beverage.

Implementation Method 1

preparing a beverage or liquid from a food substance contained in a filtering receptacle by passing water through the substance using brewing centrifugal forces

Methodology Applied

Scientific EffectCentrifugal force: Centrifugal Force

Implementation Method 2

a mixture consisting of brewed coffee and coffee powder is separated with centrifugal forces

Methodology Applied

Scientific EffectCentrifugal separation: Centrifugal Separation

Data Source

PatentUS20250107653A1Method for preparing a beverage or liquid food and system using brewing centrifugal force

Publication Date: 2025.04.03 SOCIETE DES PRODUITS NESTLE SA

AI summary

A method and system for preparing a beverage or liquid from a food substance contained in a filtering receptacle by passing water through the substance using brewing centrifugal forces. The method includes feeding water into the receptacle, and driving the receptacle in centrifugal rotation to force water to flow through the substance in a centrifugal flow path to the outlet of the receptacle. The system includes equipment necessary to carry out the method. The receptacle is a sealed capsule which is opened for water to be introduced into the capsule, contains a predetermined dose of food substance and is discarded after use.