Multipurpose Hand-Held Device Integrating Light and Airflow for Fire Starting
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Solution Overview
Problem
Existing hand-held devices for starting and maintaining fires are cumbersome, require separate tools for light and airflow, and can be unsafe and inconvenient, especially in low visibility conditions.
Innovation Solution
A multipurpose hand-held device integrating a focused light source, ducted fan, and power source for simultaneous or independent operation, providing controlled airflow and light to enhance visibility and accelerate combustion safely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate devices are used for light and airflow, then each device can be optimized for its specific function, but the device complexity increases and requires multiple separate tools to be managed simultaneously
Solution Approach 1:
The patent combines a light source device and an airflow generation device into a single integrated handheld device. The housing contains both the light source (with reflector and lens) and the fan assembly, allowing simultaneous provision of illumination and airflow without requiring separate tools. This merging resolves the contradiction by reducing the number of separate devices while maintaining functional optimization through dedicated components for each function.
Solution Approach 2:
The integrated device serves multiple functions: it provides both light illumination and airflow generation from a single unit. The device can be used for fire starting (providing both visibility and oxygen supply), and the patent mentions potential adaptations for other uses such as cooling electronic components or thawing frozen locks. This multi-functionality addresses the contradiction by making one device perform the roles of multiple separate devices.
2Adaptability or versatility
If two separate devices are used for light and airflow, then each function can be performed independently, but the ease of operation decreases due to needing to manage multiple devices simultaneously
Solution Approach 1:
By merging the light source and fan into a single handheld device with a common housing and power source, the patent eliminates the need to manage separate devices. The user holds one device that simultaneously provides both illumination and airflow, greatly improving ease of operation while maintaining the ability to independently control each function through separate switches or controls.
3Force
If existing airflow devices are used, then airflow can be provided, but the device portability and speed of action are reduced due to large size and external power requirements
Solution Approach 1:
The patent replaces external power sources with an integrated rechargeable battery system. The battery is housed within the device body, eliminating the need for external power cords or generators. This substitution enables portability while maintaining airflow generation capability through the electric fan, directly addressing the contradiction between airflow provision and device portability.
Solution Approach 2:
The patent nests multiple components within a compact handheld housing: the battery is integrated into the handle, the fan is positioned in the upper portion, and the light source with reflector and lens is arranged in the forward section. This nested arrangement of components within a single compact structure achieves portability while maintaining all necessary functions for airflow generation.
4Reliability
If separate devices are used for light and airflow, then each device can be optimized, but the time required to start and maintain fire increases due to coordination of multiple devices
Solution Approach 1:
By combining the light source and fan into a single device, the patent eliminates the time required to coordinate separate devices for fire starting. The user can simultaneously provide illumination to see the fire materials and direct airflow to accelerate combustion without switching between or coordinating separate tools, directly reducing the time loss while maintaining functional optimization through dedicated 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
The device enables quick, safe, and efficient fire starting and maintenance, reducing distractions and safety hazards by providing sustained airflow and light, making it suitable for various applications beyond fire starting.
Implementation Method 1
providing controlled airflow
Implementation Method 2
integrated focused light source... providing controlled airflow and light to enhance visibility
Data Source
AI summary
A multipurpose, hand-held device comprises a focused light source and a ducted fan. The device produces and directs light and airflow, for the purpose of illuminating an area while starting and maintaining a fire. The airflow feature rapidly accelerates combustion. With the added safety and convenience of a hand-held, integrated flashlight, the device's controllable airflow delivers the capability to rapidly ignite and maintain fires made with charcoal, wood, coal, fire starters, paper, newspaper, cardboard, dung, etc.