Brewing module, capsule sensing module and machine for preparing beverages
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Solution Overview
Problem
Existing beverage preparation machines face complexity in capsule recognition and brewing mechanisms, particularly when handling non-flat or cube-shaped capsules, requiring intricate mechanisms with multiple motorized units or coupling systems, which hinder capsule insertion during brewing and are not easily adaptable to different capsule shapes.
Innovation Solution
A brewing module with movable parts that form a brewing chamber, allowing capsule recognition before brewing by positioning the capsule vertically for detection, enabling insertion during brewing or after, using a single drive mechanism and linear movement, and incorporating a capsule detection module with optical sensors and air flow for reliable identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Difficulty of detecting and measuring
If a sensor arrangement is added to read capsule information before brewing, then capsule recognition capability is improved, but device complexity increases due to requiring several independently motorized units or coupling mechanisms
Solution Approach 1:
The patent combines the capsule recognition function with the existing brewing mechanism by integrating the sensor arrangement into the brewing module's movable parts. The sensor is positioned to detect capsules during the natural movement of the brewing chamber, eliminating the need for separate motorized units. This merging approach allows capsule identification while maintaining a single drive mechanism for both recognition and brewing operations.
2Measurement precision
If a positioning device is added to hold capsules in intermediate position for recognition, then capsule detection accuracy is improved, but device complexity increases with multiple motorized units
Solution Approach 1:
The patent positions the sensor arrangement to detect capsules at an intermediate position that occurs naturally during the brewing module's operation cycle. The movable brewing chamber parts automatically bring the capsule into the sensor's detection zone before the brewing process begins, achieving preliminary capsule identification without requiring additional positioning mechanisms or motorized units.
3Ease of operation
If the brewing chamber is opened upwards for capsule insertion, then ease of operation is improved, but adaptability to different capsule shapes deteriorates
Solution Approach 1:
The patent transitions from vertical capsule insertion (opening the brewing chamber upwards) to horizontal insertion (opening the brewing chamber sideways). This dimensional change allows capsules of various shapes to be inserted more easily while maintaining compatibility with different capsule designs. The horizontal opening direction provides better access for both flat and three-dimensional capsules without requiring complex adjustment mechanisms.
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 simple and efficient capsule recognition and brewing process without additional moving parts, allowing new capsule insertion during brewing, and provides accurate identification of capsule properties for brewing program selection, improving operational simplicity and reliability.
Implementation Method 1
after movement from the first to the second position a capsule located in the brewing chamber is caused by the effect of gravity falls down into a capsule container
Data Source
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AI summary
The invention relates to a brewing module for a beverage-preparing machine comprising: a housing (2), which has a capsule insertion opening (11), through which the capsule can be inserted; a first brewing module part and a second brewing module part movable in relation to the first brewing module part, for forming a brewing chamber; wherein the first and the second brewing module parts can be moved in relation to each other between three different defined positions, wherein, in the first position, the brewing chamber is formed, wherein, after a motion from the first position to the second position, a capsule located in the brewing chamber falls downward into a capsule container (95) by the action of gravity, wherein, however, in the second position the brewing module parts cause a capsule inserted through the capsule insertion opening to be stopped vertically above a height of the brewing position at a capsule detection position, wherein, in the third position, a capsule at the capsule detection position can fall downward from the capsule detection position, substantially to the height of the brewing position, and wherein the second position is between the first position and the third position.