Air-Circulating Electric Roaster with Intake-Side Odor Filtration
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Solution Overview
Problem
Air-circulating electric roasters face issues with odor release and internal contamination due to oil components during cooking, as existing solutions like filters on the air discharge side are not effective with cross-flow fans, leading to increased noise, vibration, and power consumption.
Innovation Solution
An air-circulating electric roaster design incorporating a cross-flow fan with an air purification member, such as a plate-shaped porous material, fixed between the air intake portion and the inner wall to absorb odors and oils before they reach the fan, minimizing contamination and maintaining smooth air circulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If filters are installed on the air discharge side to reduce odor release, then odor attenuation is improved, but noise and power consumption increase significantly
Solution Approach 1:
The air purification member is installed on the air intake side rather than the discharge side, performing odor attenuation in advance before air enters the fan. This preliminary action prevents contaminated air from reaching the fan, reducing the need for high-power filtration on the discharge side while maintaining odor control effectiveness
Solution Approach 2:
The air purification member acts as an intermediary component that processes air on the intake side, preventing odor-laden air from directly contacting the fan. This intermediary placement reduces the burden on the fan system and decreases overall power consumption while maintaining odor control
2Object-affected harmful factors
If filters are installed on the air discharge side to reduce odor release, then odor attenuation is improved, but internal contamination of the fan increases
Solution Approach 1:
The air purification member performs odor attenuation in advance on the air intake side, preventing contaminated air from reaching the fan. This preliminary purification action protects the fan from internal contamination while controlling odor release, eliminating the need for discharge-side filters that would cause fan contamination
Solution Approach 2:
The air purification member serves as an intermediary that intercepts and purifies air before it contacts the fan. This placement prevents oil components and odors from contaminating the fan internally while still achieving odor control, solving both problems simultaneously
3Object-affected harmful factors
If filters are installed on the air discharge side to reduce odor release, then odor attenuation is improved, but device complexity increases
Solution Approach 1:
The air purification member is positioned on the air intake side to perform purification in advance, eliminating the need for additional discharge-side filter components. This single-component solution on the intake side reduces overall system complexity while maintaining effective odor control
Solution Approach 2:
The air purification member placed on the intake side simultaneously achieves multiple functions: odor attenuation, prevention of fan contamination, and maintenance of air circulation. This multi-functional single-component solution reduces device complexity compared to multi-component discharge-side filtration systems
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 odor release and internal contamination, improving air circulation and reducing maintenance needs, with a 60-80% increase in odor attenuation and 30-40% decrease in noise, while maintaining air circulation efficiency.
Implementation Method 1
an air purification member that makes contact with the air sucked through the air intake portion to attenuate odor of the air
Implementation Method 2
a plate-shaped porous material, fixed between the air intake portion and the inner wall to absorb odors and oils
Implementation Method 3
The cross-flow fan is configured to suck in air through the air intake path in a direction perpendicular to a rotation axis and to discharge the air in a direction perpendicular to the rotation axis
Data Source
AI summary
Proposed is an air-circulating electric roaster equipped with a cross-flow fan. The roaster may include an air intake portion for sucking in air from above a cooking plate and an air discharge portion for discharging air to above the cooking plate respectively provided on a first side wall and a second side wall facing each other in a first direction. The first side wall and the second side wall may be combined with a body to respectively form parts of an air intake path and an air discharge path and a holder for detachably fixing an air purification member that makes contact with the air sucked through the air intake portion to an inner wall of the body where the air sucked through the air intake portion of the air intake path hits and changes its direction.