Ring-Shaped Insert for Cyclonic Airflow in Barbecue Smokers
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Solution Overview
Problem
Existing barbecue smoker cooking apparatuses lack efficient low-temperature cooking capabilities, particularly in creating optimal conditions for smoking and grilling, as they fail to evenly distribute heat and promote sufficient smoke exposure for food flavoring.
Innovation Solution
A ring-shaped insert with a hyperboloid design is introduced, which fits between the fuel combustion region and the cooking surface, featuring a heat deflection plate and adjustable dimensions to enhance airflow and heat distribution, creating smoke vortices for increased smoke exposure and flavor absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a traditional barbecue smoker apparatus is used, then high-temperature grilling is achieved, but low-temperature smoking capability is insufficient
Solution Approach 1:
The cooking apparatus is segmented into distinct functional zones: an upper cooking chamber for food placement and a lower combustion chamber for fuel burning. This segmentation allows independent control of temperature zones, enabling low-temperature smoking in the upper chamber while maintaining efficient combustion below, thereby resolving the contradiction between achieving low-temperature cooking and maintaining reliable cooking performance.
Solution Approach 2:
A heat deflection plate is introduced as an intermediary component between the fuel combustion region and the cooking surface. This plate redirects and distributes heat evenly across the cooking chamber, preventing direct flame contact with food while maintaining consistent low-temperature conditions, thus improving both temperature control and cooking reliability.
2Productivity
If heat is directly applied to the cooking surface, then high cooking efficiency is achieved, but heat distribution uniformity is poor
Solution Approach 1:
The heat deflection plate utilizes a curved, hyperboloid-shaped surface that efficiently redirects heat flow from the combustion chamber upward and outward in a uniform pattern. This curved geometry distributes heat evenly across the entire cooking surface area, maintaining cooking efficiency while achieving uniform heat distribution without hot spots.
3Ease of manufacture
If the cooking apparatus structure is simplified, then ease of manufacture is improved, but airflow control capability deteriorates
Solution Approach 1:
The design incorporates vertical airflow channels and adjustable dampers that utilize the vertical dimension of the apparatus to control smoke and air flow patterns. By adding this vertical flow control dimension, the system achieves versatile airflow management for different cooking modes (smoking, grilling, roasting) without complicating the horizontal structural layout, maintaining ease of manufacture while improving adaptability.
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 insert improves heat distribution and smoke exposure, resulting in more flavorful food by promoting cyclonic airflow patterns and directing grease back to the fuel combustion region, enhancing the cooking performance of existing devices without the need for replacement.
Implementation Method 1
creating smoke vortices for increased smoke exposure and flavor absorption
Implementation Method 2
heat deflection plate engages the plurality of projections
Implementation Method 3
rim configured to engage a fuel combustion region of the existing cooking apparatus
Data Source
AI summary
An insert is provided for use in a cooking apparatus that alters the pressure profile, air velocity profile, and airflow pattern within said cooking apparatus in order to achieve a cyclonic air profile around food to be cooked. The insert includes a ring-shaped insert body formed by a continuous sidewall. The sidewall has an external surface and an internal surface, and a top end and a bottom end. The insert also includes a deflection plate.