Cooking Appliance Venting Cap for Baking and Pressure Release
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Solution Overview
Problem
Current cooking appliances with a single venting passage are unable to accommodate the different venting needs of baking and conventional cooking, making it difficult to achieve compatible venting modes.
Innovation Solution
A cooking appliance design featuring a venting passage on the appliance cover, a baking assembly, and a detachable venting cap that can be positioned at either end of the passage to manage air flow and venting, allowing for simultaneous air admission and venting during baking and rapid air expulsion during conventional cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single venting passage is used in the cooking appliance, then the device complexity is reduced, but the adaptability to different cooking modes (baking and conventional cooking) deteriorates
Solution Approach 1:
The venting cap is designed to be movable between two positions: covering the top end of the venting passage for conventional cooking mode, and covering the bottom end for baking mode. This dynamic repositioning allows a single venting passage structure to adapt to different cooking requirements, resolving the contradiction between device simplicity and mode versatility
Solution Approach 2:
The venting passage is segmented into two distinct ends (top and bottom), with the venting cap able to selectively cover either end. This segmentation allows the single venting passage to serve two different functions depending on which end is covered, maintaining structural simplicity while achieving adaptability to different cooking modes
2Duration of action of moving object
If the venting cap is positioned at the bottom end of the venting passage during baking, then the circulation time of high temperature air is increased, but the air flow speed out of the cooking appliance is reduced
Solution Approach 1:
The venting cap partially covers the bottom end of the venting passage during baking mode, creating a restricted opening that slows air flow. This partial coverage is sufficient to achieve the desired effect of increasing circulation time without completely blocking the passage, balancing the trade-off between circulation duration and air flow speed
3Volume of moving object
If the venting cap is positioned at the top end of the venting passage during conventional cooking, then space is spared for the inner lid, but air admission into the cooking appliance is reduced
Solution Approach 1:
The venting cap is extracted from the bottom position and repositioned to cover the top end of the venting passage during conventional cooking mode. This extraction from its baking position and relocation to the top end creates the necessary space for inner lid placement while controlling air admission through the exposed bottom end of the passage
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 design enhances baking efficiency by prolonging air circulation and ensures stable conventional cooking by effectively managing air flow and venting, improving the versatility and safety of the appliance.
Implementation Method 1
During cooking by baking, air needs to be admitted and vented at the same time inside the cooking appliance, so as to ensure circulation of the air inside the cooking appliance
Implementation Method 2
the venting cap is assembled at a bottom end of the venting passage when the inner lid is dismounted, and the venting cap is assembled at a top end of the venting passage after the inner lid is mounted
Data Source
AI summary
A cooking appliance includes an appliance cover, appliance body and inner lid, the appliance cover arranged above the appliance body in a closable and openable manner, the appliance body having a heating structure. The appliance cover includes a cover body that includes a venting passage providing communication between the cooking appliance and the outside, the inner lid detachably mounted to the cover body; a baking assembly arranged below the cover body, the inner lid located below the baking assembly when mounted to the cover body; a venting cap detachably mounted at any one end of the two ends of the venting passage, wherein the venting cap is assembled at a bottom end of the venting passage when the inner lid is dismounted, and the venting cap is assembled at a top end of the venting passage after the inner lid is mounted.