CO2 Absorbent Filter with Bypass for Exhaust Flow
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Solution Overview
Problem
Existing carbon dioxide removal devices from motor vehicle exhausts significantly reduce exhaust flow, impairing engine efficiency and failing to effectively minimize emissions.
Innovation Solution
A carbon dioxide absorbent filter device is mounted to the exhaust pipe, designed to remove less than 20% of CO2 emissions with a porous structure and adjustable bypass mechanism to maintain exhaust flow rates, using suitable absorbent materials like SiO2, Al2O3, and MgO, ensuring minimal impact on engine performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If a carbon dioxide absorbing filter is mounted to the exhaust pipe to absorb CO2, then CO2 emissions are reduced, but exhaust flow is significantly reduced and engine efficiency is impaired
Solution Approach 1:
The filter is designed with non-uniform absorbent material distribution, creating regions of different CO2 absorption capacity within the same filter structure. This allows selective removal of a portion of CO2 while maintaining adequate exhaust flow through less dense regions.
Solution Approach 2:
Instead of absorbing all CO2 as in conventional filters, this invention intentionally absorbs only a partial amount (less than 20% of total CO2 emissions) to achieve emission reduction without causing excessive flow restriction that would harm engine performance.
2Object-generated harmful factors
If all exhaust gas is passed through the carbon dioxide absorbent material, then CO2 removal is maximized, but exhaust flow rate is significantly reduced
Solution Approach 1:
The exhaust flow path is segmented into multiple regions within the filter housing: some regions contain absorbent material for CO2 removal while other regions provide bypass paths with minimal resistance, allowing exhaust gas to be divided into streams that are treated and untreated.
Solution Approach 2:
The filter housing structure acts as an intermediary that directs exhaust flow through both absorbent and non-absorbent pathways, mediating between the need for CO2 removal and the need to maintain exhaust flow velocity.
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 solution effectively reduces CO2 emissions by up to 20% without impeding exhaust flow, maintaining engine efficiency and extending filter life by allowing a minor portion of CO2 to be absorbed while ensuring the majority of gases pass through, thus addressing the limitations of previous solutions.
Implementation Method 1
The filter may comprise any carbon dioxide absorbent material that is suitable for use in a motor vehicle exhaust environment
Data Source
AI summary
A method and device for removing a minor portion of carbon dioxide from the exhaust gases of a motor vehicle, wherein less than 20 percent of the carbon dioxide is removed, and further wherein exhaust flow is not impeded such that there is no significant reduction in efficiency of the motor itself.