Dripper
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Solution Overview
Problem
Conventional coffee drippers fail to stabilize coffee flow due to filter adherence to the inner wall, preventing uniform dripping and adjustment of dripping time, and require significant storage space when not in use.
Innovation Solution
A dripper design featuring pillar members that support the filter in an up-and-down direction, forming a circular truncated cone shape, with a holder that detachably attaches to the pillar members, allowing for stable coffee dripping and compact storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ribs are provided on the inner wall surface to form a gap between the filter and the inner wall surface, then the flow speed of coffee is stabilized, but the filter may adhere to the inner wall surface preventing uniform dripping
Solution Approach 1:
The inner wall surface is segmented into multiple ribs that create multiple gaps between the filter and the inner wall surface. This segmentation allows coffee to flow through multiple pathways simultaneously, stabilizing the overall flow speed while preventing filter adherence through distributed support points.
Solution Approach 2:
The ribs are strategically positioned at specific locations on the inner wall surface to create localized gaps. This local quality approach ensures that the filter is supported at discrete points rather than along the entire surface, preventing adherence while maintaining stable flow speed through the created channels.
2Device complexity
If a cylindrical body with fixed structure is used, then the dripping process is simple, but the storage space required is significant
Solution Approach 1:
The dripper is segmented into multiple detachable components including the cylindrical body, lid, and filter assembly. This segmentation allows the components to be disassembled and nested within each other, significantly reducing the storage space required while maintaining the simplicity of the overall structure when assembled.
Solution Approach 2:
The filter assembly and other components are designed to nest within the cylindrical body when not in use. This nesting arrangement allows the entire dripper system to be stored in a compact form factor, reducing the volume of stationary object from the expanded operational state to a compressed storage state.
3Device complexity
If the filter is directly placed on the inner wall surface, then the structure is simple, but the filter adherence prevents stable flow speed
Solution Approach 1:
The ribs act as intermediary elements between the filter and the inner wall surface. Instead of direct contact between the filter and the inner wall, the ribs create gaps that serve as intermediaries, allowing coffee to flow through while preventing the filter from adhering to the inner wall surface.
Solution Approach 2:
The ribs are positioned at specific locations to create localized gaps between the filter and the inner wall surface. This local quality approach maintains structural simplicity while ensuring stable flow speed through the created pathways, preventing filter adherence at critical locations.
Data Source
AI summary
A dripper configured to drip a drink through a filter set in the dripper includes: a plurality of pillar members configured to support the filter in an up-and-down direction; and a holder including a drip outlet from which dripped drink flows out, and an attachment formed to surround the drip outlet and configured to detachably attach lower ends of the pillar members to the attachment at a predetermined interval. When the lower ends of the pillar members are attached to the attachment, the holder supports the pillar members such that upper ends of the pillar members are located above the drip outlet and are toward the outside in a radial direction. The plurality of pillar members are supported by the holder to form a filter accommodation space having a circular truncated cone shape whose diameter increases from a lower end to an upper end.