Floating Candle Meniscus Repulsion Eliminates Magnets
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing devices driven by candle heat, such as animated floating candles, face challenges due to the limitations of magnets used to create a virtual axle, which increase weight, resistance, and require higher energy input, leading to shorter burn times and increased costs.
Innovation Solution
A device with a floating body and blades that create a concave or convex meniscus in a liquid, using opposing meniscus curvatures to repel the floating object from the liquid surface, eliminating the need for magnets and reducing energy input, size, and material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If magnets are used to create a virtual axle in animated floating candles, then the device can achieve rotational movement, but the weight and resistance increase, requiring higher energy input and reducing burn time
Solution Approach 1:
The patent removes magnets from the floating device entirely, extracting the heavy component that caused the technical contradiction. Instead of using magnets to create a virtual axle, the invention uses surface tension effects at the liquid-air interface to achieve rotational movement without the weight penalty, directly resolving the contradiction between rotational force and weight.
Solution Approach 2:
The patent replaces the magnetic field-based mechanical system with a surface tension-based mechanism. By using a hydrophobic coating on the floating device to create a meniscus and utilizing surface tension gradients, the system achieves rotational movement through fluid mechanical effects rather than magnetic forces, eliminating the need for heavy magnets while maintaining rotational capability.
2Force
If magnets are used to create a virtual axle, then rotational movement is enabled, but the device size and material usage increase, leading to higher costs
Solution Approach 1:
The patent extracts and removes the complex magnetic components (magnets, virtual axle mechanism) from the device. The simplified design uses only the floating body with hydrophobic coating and blades, eliminating unnecessary structural elements while preserving the essential rotational function through surface tension effects.
Solution Approach 2:
The floating device utilizes the liquid surface itself to provide the rotational mechanism. By creating a meniscus through hydrophobic coating, the device leverages the liquid-air interface and surface tension to generate rotational motion, eliminating the need for separate mechanical components like axles or magnetic assemblies.
3Weight of moving object
If a larger float is used to overcome magnet weight, then buoyancy increases, but resistance and inertia increase, requiring higher energy output
Solution Approach 1:
The patent replaces the magnetic force generation system with a surface tension-based system that does not require additional buoyancy force. By using hydrophobic coating to create a meniscus and exploiting surface tension gradients, the device achieves rotational motion without the weight penalty of magnets, maintaining both buoyancy efficiency and rotational speed.
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 efficient, low-energy movement of the floating device without magnets or electric motors, reducing size and weight, and preventing attraction to the liquid surface, thus extending burn time and simplifying transportation and storage.
Implementation Method 1
A device with a floating body and blades that create a concave or convex meniscus in a liquid, using opposing meniscus curvatures to repel the floating object from the liquid surface
Implementation Method 2
The expansion of the air lowers its density relative to the surrounding air and creates a buoyancy driven flow of air through the candle
Implementation Method 3
The air, which when heated, expands locally because of the temperature gradient
Data Source
AI summary
A device comprising a floating body/s that creates a meniscus that is either concave or convex in a liquid surface along a perimeter of the floating body/s, and a blade/s that are connected to the floating body/s which can change the direction of a flow of fluid, where there is another meniscus on the liquid surface that is curved in an opposing direction of the first meniscus so the second meniscus is able to repel the floating object from the first meniscus. If the first meniscus created by the floating body/s is convex, then the opposing meniscus on the liquid surface is concave, or if the first meniscus is concave, then the opposing meniscus is convex. Thus, embodiments can create various movements when fluid flow interacts with the blade/s, yet be repelled from areas on the liquid surface. Other embodiments are described and shown.