Hand drip coffee maker
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Solution Overview
Problem
Existing hand drip coffee makers have complex configurations that increase manufacturing costs and make it difficult to precisely control the motion of the dripper, resulting in inconsistent coffee taste.
Innovation Solution
A hand drip coffee maker with a support unit, ground coffee hopper, arm unit, dripper nozzle, and syrup nozzle, featuring a link arm system with rotation motors for precise control of water and syrup injection in a desired shape, allowing for unique extraction methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two separate motors (first transfer shaft motor and second transfer shaft motor) are used to control rectilinear motion and rotational motion of the dripper, then the dripper can be moved and rotated, but the configuration becomes complicated which increases manufacturing costs and makes it difficult to precisely control the motion
Solution Approach 1:
The patent combines the functions of two separate motors into a single rotation motor that controls both the rectilinear motion and rotational motion of the dripper through a link arm mechanism. The link arm converts the rotational motion of the single motor into both linear displacement and rotation of the dripper, thereby reducing device complexity while maintaining operational precision.
Solution Approach 2:
The link arm mechanism provides dynamic motion control, allowing the dripper to perform complex movements (rectilinear motion and rotation) through a single actuator. The geometric configuration of the link arm enables precise control of the dripper's position and orientation by varying the arm's length and attachment points, achieving sophisticated motion patterns with simplified actuation.
2Adaptability or versatility
If a complex drive means with multiple motors is used, then the dripper can be moved and rotated, but manufacturing costs increase
Solution Approach 1:
The invention merges multiple motor functions into a single rotation motor, reducing the number of components that need to be manufactured and assembled. This consolidation lowers manufacturing costs while the link arm mechanism maintains the versatility of performing both rectilinear and rotational movements of the dripper.
Solution Approach 2:
The single rotation motor serves multiple functions by controlling both the position and orientation of the dripper through the link arm mechanism. This multi-functional design reduces the need for specialized components for each motion type, thereby simplifying manufacturing and reducing costs while maintaining adaptability.
3Ease of operation
If multiple separate motors are used for dripper control, then both rectilinear and rotational motion can be achieved, but the system becomes less reliable due to more potential failure points
Solution Approach 1:
By combining the control functions of two motors into a single rotation motor, the system reduces the number of potential failure points. The link arm mechanism reliably translates the single motor's output into both rectilinear and rotational motion, maintaining full motion control capability while improving system reliability through component reduction.
Data Source
AI summary
Disclosed is a hand drip coffee maker which includes: a support unit on which a storage container is seated; a ground coffee hopper which is installed on the support unit through a hopper holder, and accommodates ground coffee therein; a mounting post which is installed on the support unit; an arm unit which includes a link arm that is rotatably installed at an upper side of the mounting post so that a tip portion of the link arm is disposed to face the ground coffee hopper; a dripper nozzle which is mounted to the tip portion of the link arm so as to supply water into the ground coffee hopper; and a syrup nozzle which is mounted to the tip portion of the link arm so as to supply syrup into the storage container.