Modular Outdoor Ventless Fireplace and Brick Oven for Offsite Assembly
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Solution Overview
Problem
The construction of outdoor fireplaces and pizza ovens is labor-intensive and expensive, and existing outdoor pizza ovens using solid fuels often fail to provide consistent cooking temperatures.
Innovation Solution
A combination outdoor ventless fireplace and brick oven system constructed with a framework assembly using galvanized steel U-channels, covered in refractory heat-resistant mortar, allowing for separate operation of fireplace and oven fireboxes with a gas line for fuel, enabling efficient wood-fired baking and easy transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If outdoor fireplaces are constructed from brick, block or stone components manually applied at the jobsite, then the fireplace can be custom-built for each installation, but the construction becomes labor-intensive and expensive
Solution Approach 1:
The fireplace unit is pre-assembled at a manufacturing facility with all components (firebox, insulation, mortar bed, veneer) prepared in advance before delivery to the jobsite, eliminating on-site construction labor and time
Solution Approach 2:
The fireplace system is divided into modular components (firebox assembly, insulation layers, mortar bed, veneer panels) that can be manufactured separately and assembled into a complete unit offsite
2Adaptability or versatility
If outdoor pizza ovens use solid fuel (wood, charcoal, pellets), then they can provide wood-fired baking capability, but they often fail to provide adequate, proper, or consistent cooking temperatures
Solution Approach 1:
The system accepts multiple fuel types (propane gas for consistent temperature control, wood for traditional wood-fired baking) within the same firebox design, allowing users to switch between fuel sources based on cooking requirements
Solution Approach 2:
The firebox design incorporates specific dimensions (20 inches wide, 20 inches deep, 24 inches high) and insulation configurations that optimize temperature distribution for both gas and wood fuels, ensuring consistent cooking temperatures regardless of fuel type
3Adaptability or versatility
If classically-styled brick ovens are built as large, heavy, built-in fixtures assembled by a skilled craftsman, then they can provide traditional brick oven functionality, but they become difficult to transport and install
Solution Approach 1:
The brick oven is segmented into a modular firebox unit with integrated insulation and support structure that can be manufactured to standard dimensions and transported as a complete assembly rather than individual bricks
Solution Approach 2:
The system uses a composite construction with steel firebox, insulation materials (rock wool, vermiculite board), and mortar bed combined into a single integrated unit that maintains brick oven functionality while reducing overall weight and simplifying transport
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
Facilitates efficient wood-fired baking with consistent temperatures and reduces construction costs by allowing offsite manufacturing and easy transportation, while ensuring independent operation of fireplace and oven fireboxes.
Implementation Method 1
The framework assembly is covered by a refractory heat resistant mortar
Implementation Method 2
The gas line is configured to connect the aperture with a gaseous fuel source
Implementation Method 3
A chimney flue is disposed above the oven firebox in the framework assembly
Data Source
AI summary
A combination outdoor ventless fireplace and brick oven system includes a main body with a framework assembly. A fireplace firebox is formed in the framework assembly. An oven firebox is formed in the framework assembly and suspended above the fireplace firebox. A chimney flue is disposed above the oven firebox in the framework assembly. The framework assembly is covered by a refractory heat resistant mortar. The fireplace firebox has an aperture. The system also has a gas line disposed in the framework assembly below the aperture. The gas line is configured to connect the aperture with a gaseous fuel source. A burner pan may be disposed in the aperture.