Dual Brewing Chamber Closure Gear for Independent Sealing Pressure
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Solution Overview
Problem
Existing brewing devices with two chambers for preparing beverages from capsules face sealing issues due to coupled closure mechanisms, leading to inadequate individual adjustment of contact pressure, especially under high pressure extraction.
Innovation Solution
A brewing device with two separate brewing chambers and corresponding closure elements, driven by a gear mechanism with a common drive member and separate output members, allowing individual adjustment of closure element movement and contact pressure through a cam gear system, ensuring independent closure and synchronization of the chambers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a common closure mechanism is used for both brewing chambers, then the device structure is simplified, but sealing reliability deteriorates due to inability to individually adjust contact pressure
Solution Approach 1:
The common drive member is segmented to drive separate output members, which in turn actuate closure elements for each brewing chamber independently. This segmentation allows individual contact pressure adjustment while maintaining a relatively simple overall structure through the shared drive mechanism.
Solution Approach 2:
Each brewing chamber is equipped with its own output member and closure element that can be individually adjusted to achieve optimal local contact pressure. This local quality approach ensures that each chamber's sealing requirements are met independently, while the common drive member maintains structural simplicity.
2Ease of operation
If separate output members are used for each brewing chamber, then individual closure control is improved, but device complexity increases
Solution Approach 1:
Separate output members for each brewing chamber are merged into a single common drive member structure. This combining approach allows individual closure control through separate output members while maintaining structural efficiency and reducing overall device complexity through the shared drive mechanism.
Solution Approach 2:
The common drive member serves multiple functions by simultaneously driving separate output members for both brewing chambers. This multi-functionality enables individual closure control while avoiding the need for entirely separate drive mechanisms, thus reducing device complexity.
3Ease of manufacture
If coupled closure mechanisms are used, then manufacturing is simplified, but sealing performance deteriorates under high pressure extraction
Solution Approach 1:
The closure mechanism is segmented into separate output members that can be individually adjusted and manufactured to specific tolerances. This segmentation allows for precise contact pressure control in each chamber while maintaining relatively simple manufacturing through the common drive member design.
Solution Approach 2:
The system allows for parameter changes in contact pressure for each brewing chamber independently through adjustable output members. This parameter adjustment capability ensures optimal sealing performance under high pressure extraction while maintaining ease of manufacture through standardized components.
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 precise and consistent closure of brewing chambers, preventing sealing problems and ensuring effective extraction and preparation of beverages under high pressure, with easy assembly and minimal user effort.
Implementation Method 1
the transmission comprises a common drive member, a first driven member for the first brewing chamber and a second driven member for the second brewing chamber... the brewing device has a gear mechanism for actuating the two closure elements... a cam gear system
Data Source
Figure 1~2
Figure 3~4
Figure 5a~6
AI summary
The invention relates to a brewing device (1) having two separate brewing chambers (14, 24), comprising two capsule receptacles (16, 26) and two closure elements (15, 25) for the two brewing chambers (14, 24), and a gearing (3) for the actuation of the two closure elements (15, 25), the gearing (3) comprising a common drive element (4), and two output elements (10, 20) for the two brewing chambers (14, 24).