Arrangement Having Two Burners
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The installation of multiple burners in recreational vehicles with separate exhaust systems and combustion air intakes leads to increased complexity, cost, and potential damage from backflow of hot exhaust gases, compromising safety and durability.
Innovation Solution
A common exhaust gas guiding device and combustion air supply system with integrated backflow barriers that prevent gases from flowing in undesired directions, using movable elements to control flow and minimize pressure loss, ensuring safe operation and reduced installation costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate exhaust systems and combustion air intakes are provided for each burner, then safety and reliability are improved by preventing backflow of exhaust gases, but device complexity and installation cost increase
Solution Approach 1:
The patent combines multiple exhaust systems into a single common exhaust system and multiple combustion air intakes into a single common air intake system. This merging reduces the number of separate components and installation points while maintaining safety through the inclusion of backflow barriers that prevent exhaust gas contamination of the common systems.
Solution Approach 2:
The patent introduces backflow barriers as intermediary components within the common exhaust and air intake systems. These barriers act as mediators that allow the systems to function collectively while preventing harmful backflow of exhaust gases, thus enabling simplified system architecture without compromising safety.
2Reliability
If separate exhaust systems and combustion air intakes are provided for each burner, then exhaust gas backflow to non-operated burners is prevented, but installation cost and drilling requirements increase
Solution Approach 1:
The patent merges multiple exhaust systems into one common exhaust system and multiple air intake systems into one common air intake system. This reduces the number of penetration points through the vehicle structure, thereby reducing installation costs and simplifying the drilling and sealing requirements while maintaining protection through backflow barriers.
3Device complexity
If a common exhaust system and common air intake system are used for multiple burners, then installation cost and complexity are reduced, but exhaust gas backflow to non-operated burners may occur
Solution Approach 1:
The patent introduces backflow barriers as intermediary components within the common exhaust and air intake systems. These barriers selectively allow airflow in the correct direction while blocking reverse flow of exhaust gases into non-operated burners, thus enabling system simplification without exposing vulnerable components to harmful backflow.
4Reliability
If backflow barriers with movable elements are used to prevent exhaust gas backflow, then safety is maintained in common systems, but device complexity increases
Solution Approach 1:
The backflow barriers incorporate movable elements that automatically respond to pressure differentials caused by burner operation. The system serves itself by using the operational conditions (pressure changes) to automatically open or close the barriers without requiring external control mechanisms, thus maintaining safety while minimizing additional complexity.
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 solution effectively prevents backflow of exhaust gases, maintains safety standards, reduces installation complexity and costs, and ensures efficient combustion by isolating non-operated burners from exhaust gases, thus protecting components and maintaining combustion quality.
Implementation Method 1
the movable element being movable between at least two positions, the opening being open in case the movable element is in one of the two positions, and the opening being closed in case the movable element is in another of the two positions
Data Source
AI summary
The invention relates to an arrangement (1) including two burners (10), which has a common exhaust gas guiding device (2) and a common supply device (3) for combustion air. A backflow barrier (4) blocks a flow of a gaseous medium in a flow direction and is arranged in the exhaust gas guiding device (2) or in the supply device (3). The backflow barrier (4) has an opening (40) and a movable element (41) which is movable between two positions. The opening (40) is open in case the movable element (41) is in one of the two positions and closed in case the movable element (41) is in another of the two positions.