Beverage Preparation Device

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Solution Overview

Problem

Beverage preparation devices with rotating brewing chambers are complex, costly, and require centrifugation to read identification marks on single serve capsules, while simpler devices cannot detect marks on the lower side of the capsule, leading to potential damage and suboptimal brewing.

Innovation Solution

A beverage preparation device with a non-rotating brewing chamber and detection means positioned to read identification marks on the lower side of the capsule, allowing for compatible capsule recognition and control of brewing parameters without centrifugation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a rotating brewing chamber is used to read the identification mark on the lower side of the capsule, then the identification mark can be detected, but the device becomes complex, costly, and requires centrifugation

Engineering Contradiction:

Improveidentification mark detectionVSAvoidbrewing chamber rotation mechanism

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

Instead of rotating the brewing chamber to bring the detection means into position with the identification mark, the patent inverts the approach by moving the capsule within the stationary brewing chamber. The capsule is advanced vertically and rotated horizontally by the brewing chamber elements, bringing the identification mark on the lower side into the detection zone of the stationary detection means.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The patent replaces the complex rotating brewing chamber mechanism with a simpler stationary detection system. The mechanical rotation of the entire brewing chamber is substituted by localized movement and rotation of the capsule itself, driven by the brewing chamber elements, while the detection means remains fixed.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If a non-rotating brewing chamber is used to simplify the device, then the construction is simpler and less costly, but the identification mark on the lower side of the capsule cannot be read

Engineering Contradiction:

Improvebrewing chamber structureVSAvoididentification mark detection

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent applies preliminary action by positioning the detection means in advance within the brewing chamber structure, and by designing the brewing chamber elements to automatically advance and rotate the capsule into the detection zone during the normal brewing operation sequence, before the actual beverage preparation begins.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The brewing chamber elements serve as intermediaries that transfer the identification mark from the moving capsule to the stationary detection means. These elements facilitate the relative movement between the capsule and detection means without requiring the entire brewing chamber to rotate.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Measurement precision

If centrifugation is used to rotate the capsule, then the identification mark can be read, but the device requires complex rotation mechanisms and increased maintenance

Engineering Contradiction:

Improveidentification mark readingVSAvoidrotation mechanism maintenance

Core Design Contradiction:

Measurement precisionVSEase of repair

Solution Approach 1:

The patent extracts the rotation function from the entire brewing chamber system and applies it only to the capsule itself through localized interaction with the brewing chamber elements. This separates the detection function (stationary) from the positioning function (capsule-specific), simplifying the overall system and reducing maintenance requirements.

Inventive Principle:

Principle #2Taking out (Extraction)

4Device complexity

If the detection means is positioned to read the identification mark without rotation, then the device structure is simplified, but the capsule must be precisely positioned

Engineering Contradiction:

Improvedetection system structureVSAvoidcapsule positioning accuracy

Core Design Contradiction:

Device complexityVSManufacturing precision

Solution Approach 1:

The patent introduces dynamic elements into the capsule positioning process by allowing the brewing chamber elements to move and rotate the capsule during the detection phase. This dynamic adjustment compensates for manufacturing tolerances and ensures the identification mark is brought into the detection zone regardless of initial positioning variations.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20240315482A1Beverage Preparation Device

Publication Date: 2024.09.26 K-FEE SYSTEM GMBH

AI summary

A beverage preparation device for preparing a beverage with a single serve capsule that includes: a base element and a periphery projecting laterally from the base element, a lid film fastened to the periphery, a beverage raw material disposed in the cavity, and an identification mark on a side of the periphery that faces away from the lid film; the beverage preparation device including a brewing chamber configured to receive the capsule; the brewing chamber including a first brewing chamber element and a second brewing chamber element which are movable relative to one another; the beverage preparation device including at least one detection means configured to detect the identification mark; the brewing chamber and the single serve capsule are configured to be non-rotating during preparation of the beverage and in the open position and/or the closed position, is configured so that the capsule is pivotable and/or rotatable.