Ash Scraper Vent Assembly for Barbecue Firebowl Venting
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Solution Overview
Problem
Traditional barbecue grills face challenges in efficiently scraping and collecting ashes from the firebowl while also providing effective ventilation, with existing ash catcher assemblies being either inefficient or aesthetically unappealing.
Innovation Solution
A martini-shaped barbecue design featuring a funnel-shaped firebowl with a central aperture and peripheral apertures, an ash scraper assembly with an axle rod and pivotally attached scraper handle that doubles as a vent cover, allowing for easy ash removal and ventilation control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional ash catcher assemblies are used to remove ashes from the firebowl, then ash collection is achieved, but the device becomes aesthetically unappealing and operationally inefficient
Solution Approach 1:
The vent cover is designed to serve dual functions: it acts as both a ventilation cover and an ash scraper. The flat surface of the vent cover is used to scrape ashes from the firebowl, eliminating the need for separate ash catcher assemblies and improving both aesthetics and operational efficiency
2Productivity
If peripheral apertures are used for ventilation, then oxygen supply for combustion is improved, but ash accumulation at the bottom of the firebowl becomes harder to manage
Solution Approach 1:
The vent cover with peripheral apertures serves multiple functions: it provides ventilation for combustion efficiency while its flat surface is used as an ash scraper to efficiently remove ashes from the firebowl, solving both combustion and ash management requirements
3Ease of operation
If a separate ash scraper tool is provided, then ash scraping capability is improved, but device complexity increases
Solution Approach 1:
The ash scraping function is merged with the vent cover by using the flat surface of the vent cover as the scraping tool. This integration eliminates the need for separate ash scraper components, reducing device complexity while maintaining effective ash scraping capability
Data Source
AI summary
A barbecue apparatus is provided, the apparatus comprises: a firebowl having an open topside and a bottomside which has a circumference smaller than a circumference of the topside of the firebowl, and the bottomside of the firebowl comprises at least one central aperture situated adjacent at least one peripheral aperture; a base frame comprising a top end, a bottom end, and a central cavity, and the peripheral aperture of the firebowl leads to the central cavity of the column, and the top end of the column is connected to the bottomside of the firebowl; and an ash scraper assembly comprising a frame having at least one arm designed to cover and uncover the peripheral aperture and an actuator pivotally attached to the frame and designed to rotate the arms to cover and uncover the peripheral apertures and scrape the bottomside of the firebowl.