Home cooking appliance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional home cooking appliances face challenges in increasing air flow while reducing pressure in the cooling air system and minimizing cooling fan noise, often requiring costly redesigns and increased fan noise, which can disrupt burner performance and user experience.
Innovation Solution
Incorporating an air channel in fluid communication with the cooling air system, with an outlet that exhausts a portion of air along the rear wall of the appliance, allowing for balanced air flow distribution between the rear vent trim and the air channel, thereby reducing pressure and noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional designs increase air flow through the appliance, then cooling performance improves, but fan noise increases and pressure in the cooling air system increases
Solution Approach 1:
The patent divides the single exhaust path into two separate exhaust paths: one through the rear vent trim and another through the air channel at the rear wall. This segmentation allows the cooling air system to distribute exhaust flow across multiple outlets, reducing the workload and noise of the fan while maintaining adequate cooling performance.
2Productivity
If conventional designs increase air flow through the appliance, then cooling performance improves, but pressure in the cooling air system increases
Solution Approach 1:
The patent divides the single exhaust path into two separate exhaust paths: one through the rear vent trim and another through the air channel at the rear wall. This segmentation allows the cooling air system to distribute exhaust flow across multiple outlets, reducing the workload and noise of the fan while maintaining adequate cooling performance.
3Reliability
If conventional designs protect combustible back walls, then safety compliance improves, but clearance space requirements increase
Solution Approach 1:
The patent extracts hot air directly at the rear wall through the air channel outlet, removing heat before it can accumulate and transfer to the combustible back wall. This extraction approach allows the appliance to be installed closer to combustible walls while maintaining temperature control and safety compliance.
4Reliability
If conventional designs reduce temperatures on back walls, then safety compliance improves, but device complexity increases
Solution Approach 1:
The patent combines the cooling air exhaust function with the existing rear wall structure by integrating the air channel into the housing. This merging approach manages temperatures on combustible back walls without adding separate complex cooling systems, maintaining simplicity while achieving safety compliance.
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
This solution enhances air flow through the appliance without increasing fan noise, allows for more even heat distribution, and reduces temperatures on combustible back walls and components, improving compliance with industry standards and user satisfaction.
Implementation Method 1
an air channel in fluid communication with the cooling air system, the air channel having an outlet that exhausts a portion of the air from the cooling air system along a rear wall of the housing
Data Source
Figure 1
Figure 2
Figure 3
AI summary
In order to further develop a home cooking appliance including a housing (102), a cooking compartment (190) in the housing (102) and accessible through a door (104) in the housing (102), a cooling air system conveying air through the housing (102), in such way that the air flow through the appliance is increased while pressure in the cooling air system is reduced and/or cooling fan noise is reduced or minimized, it is proposed to provide at least one means (200) for exhausting a portion (A5.2) of the air from the cooling air system along a rear wall (114) of the housing (102).