Attic Sprinkler Segmentation for Eaves Protection
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Solution Overview
Problem
Existing fire protection systems for attic spaces face installation challenges due to the need for automatic sprinklers to be installed close to eaves regions while maintaining effective fluid distribution, which is constrained by vertical distance limitations, leading to difficulties in low clearance areas and potential complications in thermal responsiveness and fluid distribution patterns.
Innovation Solution
The system separates fire detection and fluid distribution functions, with detection assemblies located in the peak region and fluid distribution devices installed in accessible areas, allowing for expanded eaves protection regions and increased vertical clearance, enabling effective firefighting without the need for low-clearance installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If automatic sprinklers are installed close to eaves regions to thermally respond to fire, then fire detection and fluid distribution functions are satisfied, but installation becomes difficult in low clearance areas and vertical distance is constrained
Solution Approach 1:
The patent divides the automatic sprinkler system into separate functional components: a thermal response element (bulb or soldered link) that detects fire conditions and a fluid distribution element (sprinkler head) that delivers water. These segmented components can be installed at different locations and heights, allowing the thermal element to be positioned for optimal fire detection while the fluid distribution element is installed in accessible areas for ease of installation and maintenance.
2Reliability
If automatic sprinklers are positioned to provide effective fluid distribution for eaves protection, then fire suppression capability is improved, but vertical distance from ceiling base is limited
Solution Approach 1:
By separating the thermal response element from the fluid distribution element, the system allows the fluid distribution component to be installed at optimal heights for effective coverage without being constrained by the vertical space limitations. The segmented design enables independent optimization of each component's position based on its specific functional requirements.
Solution Approach 2:
The patent introduces an intermediary connection mechanism between the thermal response element and fluid distribution element, allowing the system to transmit thermal activation signals over a distance. This intermediary approach enables the fluid distribution component to be positioned at greater vertical distances from the ceiling base while maintaining functional connectivity through the thermal activation mechanism.
3Reliability
If automatic sprinklers are installed in low clearance areas to meet spacing requirements, then eaves region protection is achieved, but operational access and system installation become difficult
Solution Approach 1:
The segmented design allows the fluid distribution element to be installed in accessible areas with sufficient clearance for installation and maintenance operations, while the thermal response element can be positioned in the eaves region for effective fire detection. This separation eliminates the need to install complete sprinkler assemblies in low clearance areas.
Solution Approach 2:
The patent extracts the fluid distribution function from the thermal response function, allowing the fluid distribution component to be installed in convenient, accessible locations rather than being constrained by the low clearance conditions of the eaves region. The thermal detection function remains in the eaves area while the water delivery function is relocated to an accessible position.
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 configuration allows for larger protected eaves regions with increased vertical clearance, improving operational ease and effectiveness in firefighting, while avoiding the limitations of coupled thermal response and fluid distribution in traditional systems.
Implementation Method 1
fire detection assemblies located in the peak region spaced above the plurality of fluid distribution devices
Implementation Method 2
fluid distribution devices disposed medially of the intersection of the roof deck and ceiling base, between the intersection and the peak
Data Source
AI summary
Systems and methods for the protection of an attic or concealed combustible space defined by a ceiling base and a roof deck disposed above a ceiling base defining a peak are provided. A plurality of fluid distribution devices are spaced above the ceiling base and below the roof deck to define a peak region. At least one fire detection assembly is disposed in the peak region above the fluid distribution devices to detect a fire in the attic space. A controller couples the plurality of distribution devices to the fire detection assembly. The fluid distribution devices are disposed at a working clearance distance above the ceiling base to provide an extended protected eaves region of the attic space.