Footwear Air-Chamber Pumping for Walking-Powered CO₂ Absorption
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Solution Overview
Problem
Conventional methods for reducing carbon dioxide emissions require large-scale equipment that is costly and inefficient for individual contributions, and existing footwear does not effectively utilize walking motion to absorb carbon dioxide.
Innovation Solution
Footwear with an intake port, air chamber, and carbon dioxide absorption portion that utilizes the pressure generated during walking to absorb carbon dioxide, and includes a sole portion with elasticity and a configuration that minimizes dirt entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If large-scale equipment is used to absorb carbon dioxide, then carbon dioxide absorption capacity is improved, but device complexity and investment cost increase
Solution Approach 1:
The patent divides the carbon dioxide absorption function into small modular units integrated into individual footwear. Each shoe contains its own intake port, air chamber, and carbon dioxide absorption portion, allowing distributed absorption across many users rather than requiring one large centralized system.
Solution Approach 2:
The footwear system uses the wearer's own walking motion to drive the carbon dioxide absorption process. The compression and relaxation of the sole portion during walking naturally pumps air through the absorption material, eliminating the need for external power sources or complex control systems.
2Quantity of substance
If large-scale equipment is used to absorb carbon dioxide, then carbon dioxide absorption capacity is improved, but ease of operation for individuals deteriorates
Solution Approach 1:
By segmenting the absorption system into individual footwear units, each person can independently contribute to carbon dioxide reduction through their daily walking activity, making the system accessible to individuals rather than requiring participation in large-scale facilities.
Solution Approach 2:
The system automatically operates through the wearer's natural walking motion, requiring no additional effort or operation from the user beyond normal walking, thus maintaining high ease of operation while achieving carbon dioxide absorption.
3Quantity of substance
If conventional equipment is used to absorb carbon dioxide, then carbon dioxide absorption is achieved, but energy efficiency deteriorates due to carbon dioxide discharge from the equipment itself
Solution Approach 1:
The patent converts the previously harmful emission of carbon dioxide from equipment operation into a beneficial absorption process. The footwear system absorbs carbon dioxide from the environment using only mechanical energy from walking, transforming the equipment's role from carbon source to carbon sink.
Solution Approach 2:
The system uses the wearer's biomechanical energy from walking to drive the absorption process, eliminating the need for fossil fuel-based power sources that would generate additional carbon dioxide emissions.
4Productivity
If intake port is opened in sole portion, then air flow for carbon dioxide absorption is improved, but dirt entry into the system increases
Solution Approach 1:
The patent places the intake port specifically at the heel side of the sole portion, where the local environment during walking has less exposure to dirt and debris compared to other areas. This localized positioning optimizes the balance between air intake efficiency and contamination prevention.
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 individuals to contribute to carbon dioxide reduction with a simple and effective configuration by leveraging the walking motion to absorb carbon dioxide.
Implementation Method 1
a sole portion (3) having elasticity and constituting a bottom surface of the footwear
Implementation Method 2
The air chamber (32) is compressed by pressure generated in the sole portion (3) as the sole portion (3) strikes the ground during the walking
Implementation Method 3
a carbon dioxide absorption portion (33) communicating with the air chamber (32) to absorb carbon dioxide in air flowing in from the air chamber (32)
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
To contribute to reduction of carbon dioxide, a force generated when a wearer walks is used. Footwear 1 that absorbs carbon dioxide as a wearer walks includes an elastic sole portion 3 having elasticity and constituting a bottom surface of the footwear, an intake port 31 disposed in the sole portion, an air chamber 32 disposed in the sole portion and communicating with the intake port, and a carbon dioxide absorption portion 33 communicating with the air chamber to absorb carbon dioxide in air flowing in from the air chamber. The air chamber is compressed by pressure generated in the sole portion as the sole portion strikes the ground during the walking, and the air in the air chamber flows into the carbon dioxide absorption portion.