Tabletop Grill Air Filtration Layout for Odor Extraction
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Solution Overview
Problem
Tabletop grill appliances lack effective odor management solutions, as traditional extraction devices are not compatible with their design and functionality.
Innovation Solution
Integration of a fan, filter, and suction openings into the tabletop grill design, allowing air to be drawn through the grill and filtered before being exhausted, effectively reducing odor development.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional extraction devices (extractor hoods, closed housings) are used, then odor extraction is effective, but they are not compatible with tabletop grill functionality and design
Solution Approach 1:
The extraction system is segmented into discrete components (suction openings, fan, filter, exhaust opening) that are integrated into the tabletop grill structure. This allows the odor extraction function to be implemented without requiring a complete extractor hood or closed housing, making it compatible with open tabletop grill designs while maintaining effective odor management.
Solution Approach 2:
The tabletop grill is designed to perform multiple functions: food heating/grilling, odor extraction, and air filtration. The integrated system combines the heating element with suction openings, fan, and filter to create a multi-functional appliance that addresses both cooking and odor control needs in a single device suitable for dining table use.
2Productivity
If fan is arranged upstream of filter, then airflow is generated effectively, but fan is exposed to contamination
Solution Approach 1:
Instead of placing the fan upstream of the filter (which would expose it to contamination), the system inverts the arrangement by placing the fan downstream of the filter. This reversal protects the fan from contamination while still generating effective airflow through the filter and exhaust system.
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 system significantly reduces odor development during food preparation by utilizing airflow to capture and filter odorous gases and oil droplets, even without a closed stove or extractor hood.
Implementation Method 1
The fan is arranged so that, in operation, it draws air through the suction openings into a filter chamber and causes the air to flow through the filter
Implementation Method 2
causes the air to flow through the filter and then out of the filter chamber through at least one exhaust opening
Implementation Method 3
The at least one filter may in particular be an activated carbon filter
Data Source
AI summary
An electric tabletop grill has support elements, such as feet, for placement on a table surface, as well as an electric heater for heating food on the dining table. The tabletop grill also has a fan, a filter, and suction openings provided in the appliance. The fan is arranged such that, in operation, the fan draws air through the suction openings into a filter chamber and causes the air to flow through the filter and then out of the filter chamber through at least one blow-out opening.