End Cap Nozzle with Spherical Dome for Fire Suppression
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Solution Overview
Problem
Existing fire suppression systems face challenges in efficiently dispersing fire extinguishing agents in a manner that minimizes damage to sensitive equipment and ensures effective coverage in various space configurations, particularly in confined and anechoic environments.
Innovation Solution
A nozzle design featuring a partial sphere dome with strategically arranged cylindrical orifices that provide fluid communication, allowing for controlled dispersion of agents in a flat arc or spiral pattern, which can be adjusted for optimal installation and operation in different spaces, including those with sensitive equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a cylindrical nozzle body with lateral orifices is used, then the agent can be dispersed laterally through the orifices, but the nozzle requires additional pipe fittings (nipple and elbow) to achieve effective orientation, increasing device complexity
Solution Approach 1:
The invention merges the nozzle body and mounting flange into a single integrated component. The flange is directly formed as part of the nozzle body structure, eliminating the need for separate pipe nipples and elbow fittings. This integration simplifies the installation process while maintaining effective orientation capabilities.
2Strength
If the dome thickness is increased to provide structural integrity, then the nozzle can withstand higher pressures, but the manufacturing complexity and material usage increase
Solution Approach 1:
The invention employs a domed shape with a specific curvature radius that is optimized to balance structural strength and manufacturability. The curvature provides inherent structural integrity to withstand pressure while maintaining a form that is relatively simple to manufacture using conventional forming processes.
3Quantity of substance
If multiple orifices are arranged to provide wide agent dispersion coverage, then the fire suppression effectiveness is improved, but the agent flow distribution uniformity becomes difficult to control
Solution Approach 1:
The invention varies the orifice characteristics (such as diameter, orientation, or positioning) at different locations around the dome to optimize both coverage and flow distribution. Specific zones have orifices configured to achieve uniform flow patterns while maintaining comprehensive area coverage.
Solution Approach 2:
The domed geometry with optimized curvature helps distribute agent flow more uniformly across multiple orifices by creating favorable pressure distribution patterns, improving flow uniformity without sacrificing coverage area.
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 nozzle design ensures efficient and controlled dispersion of fire suppressant agents, reducing the risk of damage to equipment and effectively filling large or confined spaces with a sheet-like distribution, while maintaining minimal disruption to sensitive environments.
Implementation Method 1
a plurality of orifices through the dome providing fluid communication between the cavity and the exterior of the dome
Implementation Method 2
the nozzle is constructed to expel agent received in a liquid state such that the agent is atomized or vaporized when expelled from the nozzle
Implementation Method 3
the agent is atomized or vaporized when expelled from the nozzle
Data Source
AI summary
A nozzle for a fire suppression system includes a smooth dome having an exterior surface approximating a partial sphere, a cavity within the dome, and a plurality of orifices through the dome providing fluid communication between the cavity and the exterior of the dome. A fire suppression system is also disclosed.