Coffee machine
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Solution Overview
Problem
Coffee machines face limitations in height adjustment for the outlet, making it difficult to fill large containers and complicating cleaning processes, and lack easy access for maintenance and service.
Innovation Solution
A coffee machine design with a height-adjustable front panel and removable side/back panels, a movable outlet unit with elastomeric tubular outlets for easy cleaning, and a touch-sensitive display with an electronic pressure gauge for intuitive operation, along with lockable reservoirs and a fold-out stand for secure handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the outlet height is fixed at a standard position, then the machine structure is simple, but it cannot accommodate large containers requiring higher outlet positions
Solution Approach 1:
The front panel is made height-adjustable through a mechanical system with guide rails and positioning mechanisms, allowing the panel and integrated outlet to move between multiple fixed height positions. This dynamic adjustment capability enables the machine to adapt to different container sizes while maintaining a relatively simple overall structure.
Solution Approach 2:
The height-adjustable front panel serves multiple functions: it provides structural support for the machine, houses the outlet unit, and enables adaptation to various container types. By integrating these functions into a single adjustable component, the design avoids adding separate complex mechanisms for each function.
2Length of moving object
If the front panel is made height-adjustable to increase outlet adjustment range, then larger containers can be filled, but the complexity of the front panel mechanism increases
Solution Approach 1:
The front panel adjustment mechanism is divided into separate functional components: guide rails for movement, positioning elements for height selection, and locking mechanisms for stability. This segmentation allows each component to be optimized independently and simplifies the overall design compared to a monolithic adjustment system.
3Ease of repair
If the display and operating unit are fixed in position, then the structure is stable, but service access to internal components is difficult
Solution Approach 1:
The display and operating unit is made movable relative to the front panel, allowing it to be shifted to a service position that provides access to internal components. This dynamic reconfiguration capability enables easy maintenance while maintaining a stable operational structure during normal use.
4Ease of operation
If the outlet unit is fixed in position, then the structure is stable, but cleaning access to internal components is difficult
Solution Approach 1:
The outlet unit is integrated with the height-adjustable front panel, allowing it to move to different positions including a cleaning-accessible position. This dynamic positioning capability enables easy cleaning of internal components while maintaining structural stability during beverage dispensing.
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
Facilitates easy cleaning and maintenance by allowing full access to internal components, simplifies the adjustment of the outlet height, and enhances user experience with intuitive operation and secure storage.
Implementation Method 1
The case has removable side and/or back panels (20) which are magnetically held to the case
Data Source
Figure 1
Figure 2~3b
Figure 4~5
AI summary
A coffee machine (10) for automatically preparing a coffee beverage and, optionally, other beverages comprises a housing (11) in which the technical means necessary for preparing the coffee beverage are housed, a display and control unit (14) arranged on the front of the housing (11) via which the desired coffee beverage can be entered and at which information about the respective coffee beverage and/or the operating status of the machine is displayed, an outlet unit (15) arranged below the display and control unit (14) via which the desired beverage, optionally together with flavorings or other additives, is dispensed, and storage containers (13; 13.1, 13.2, 13.3) arranged on the top of the housing (11) in which raw materials, in particular coffee beans, for the preparation of the coffee beverage and, optionally, other beverages are kept.The housing (11) has removable side and/or rear panels which are held magnetically to the housing (11).