Kitchen hood with front facing vent
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Kitchen hoods often fail to maintain indoor air quality due to improper maintenance, leading to the accumulation of harmful pollutants like bacteria, fine dust, and gases, which can pose health risks and reduce efficiency.
Innovation Solution
A kitchen hood design featuring a sliding suction grill, steam cleaning assembly, and air quality sensor, allowing for adjustable height and automatic operation based on detected contaminants, along with a steam cleaning system for regular maintenance, to enhance suction efficiency and air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional kitchen hood is installed above the stovetop, then it can exhaust contaminants, but oil residue accumulates under the hood and suction efficiency decreases over time
Solution Approach 1:
The suction grill is extracted from the fixed position and made movable, allowing it to be removed and cleaned separately from the main hood body. This enables regular maintenance to remove oil residue accumulation, thereby maintaining suction efficiency over time without requiring complete disassembly of the hood system.
Solution Approach 2:
The hood includes a movable suction grill that can be easily removed and positioned for cleaning before oil residue significantly impacts performance. This preliminary maintenance capability prevents efficiency degradation rather than addressing it after the fact.
2Ease of operation
If the kitchen hood is not regularly maintained, then operation is simple, but harmful pollutants accumulate and health risks increase
Solution Approach 1:
The suction grill is segmented as a separate removable component from the main hood body. This segmentation allows users to easily remove and clean the grill independently without complex disassembly procedures, making regular maintenance simple and encouraging users to clean it frequently to prevent pollutant accumulation.
Solution Approach 2:
The design enables users to perform maintenance themselves through the easily removable suction grill, without requiring professional service. The simple removal and cleaning process allows homeowners to maintain the hood regularly, preventing harmful pollutant accumulation while keeping operation simple.
3Adaptability or versatility
If a bottom-mounted intake port is used, then installation flexibility increases, but harmful gases cannot be effectively released outside
Solution Approach 1:
The exhaust system uses a front-facing vertical outlet positioned at the front of the hood, changing the exhaust direction from horizontal (bottom-mounted) to vertical (front-facing). This dimensional change in exhaust orientation allows effective release of harmful gases outside while maintaining installation flexibility, as the vertical exhaust path naturally directs contaminants away from the cooking area and outdoors.
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 kitchen hood effectively reduces indoor pollutant levels, improves air quality, and maintains efficiency by automatically adjusting to cooking conditions and performing regular steam cleaning for maintenance.
Implementation Method 1
a steam cleaning assembly (600) configured to generate steam to clean an interior of the first housing (100)
Implementation Method 2
a fan (300) positioned above the suction grill (210) to move air into the exterior of the building
Data Source
AI summary
A kitchen hood has a first housing and a second housing that slides into and out of the first housing to adjust a length of the kitchen hood. The first housing has a fan to suction air, an outlet, and an air quality sensor assembly to continuously detect air quality in a kitchen. The second housing has an inlet and suction grill through which air is suctioned, a steam cleaning assembly to automatically steam clean an interior of the kitchen hood, and a height sensing assembly to sense a height of cookware seated on a cooktop surface below the second housing. The kitchen hood may be lengthened or shortened based on the sensed height of the cookware, and a speed of the fan and the height of the kitchen hood may be automatically adjusted based on detections by the air quality sensor assembly.