Atomizer Nozzle Swirl Chamber Segmentation for Homogeneous Jet
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Solution Overview
Problem
Existing atomizer nozzles for sanitary water outlets are complex to produce and have an undesirable water jet pattern, making them difficult to manufacture and inefficient in terms of cleaning performance.
Innovation Solution
The atomizer nozzle features a swirl chamber with tangentially oriented feed channels that taper towards a nozzle channel, forming a homogeneous water jet by swirling water into increasingly smaller circular paths, with a plug-based design simplifying production and a conical or hyperboloid swirl chamber configuration to prevent vortex formation, and multiple feed channels distributed uniformly for improved jet distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a complex multi-channel vortex chamber structure is used, then the water jet atomization effect is improved, but the manufacturing complexity and cost increase significantly
Solution Approach 1:
The nozzle is divided into three main segments: a body with integrated inlet channels, a separate plug component with feed channel grooves, and a swirl chamber. This segmentation allows each part to be manufactured independently using simple processes, then assembled together to achieve the complex atomization function without requiring complex manufacturing for the entire structure.
Solution Approach 2:
The inlet channels are integrated directly into the body structure, eliminating the need for separate inlet channel components. The feed channels are formed as grooves on the plug surface, combining the feed channel function with the plug structure. This merging reduces the total number of parts and simplifies manufacturing while maintaining atomization performance.
2Productivity
If multiple vortex chambers are arranged around the axis, then the cleaning performance is improved, but the production difficulty increases
Solution Approach 1:
The cleaning function is achieved by dividing the water flow into multiple separate feed channels (first, second, and third feed channels) that are distributed around the swirl chamber perimeter. Each feed channel delivers water to the rotating stream, creating multiple atomization zones that work together to improve cleaning performance while keeping each individual channel simple to manufacture.
Solution Approach 2:
The swirl chamber is designed with a curved, annular cross-section that rotates the water stream around the central axis. This curved geometry naturally directs the water flow in circular paths, creating effective atomization without requiring complex internal structures. The smooth curved surface is easy to manufacture using standard machining or molding processes.
3Manufacturing precision
If the swirl chamber tapers towards the nozzle channel, then the water jet homogeneity is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The tapered swirl chamber is manufactured as a separate component that is assembled into the body, allowing the taper to be produced using standard machining operations on a dedicated component rather than requiring complex multi-step machining of the entire nozzle assembly. This segmentation makes the precision taper easier to manufacture with conventional equipment.
Solution Approach 2:
The swirl chamber is pre-formed with the required tapered geometry and surface finish before assembly. This preliminary formation of the precision surface on a separate component allows for optimized manufacturing processes (such as molding or precision machining) to be applied to just that component, reducing the overall production outlay compared to manufacturing the entire nozzle in one complex operation.
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 results in a cost-effective, easily producible atomizer nozzle that generates a homogeneous water jet with fine droplets, enhancing cleaning performance and appearance, even with small volume flow, and can be integrated into sanitary outlet fittings like shower heads or jet regulators.
Implementation Method 1
The swirl chamber (2) tapers in the outflow direction towards a nozzle channel (5), and therefore the water stream, which is made to rotate in the swirl chamber (2) around the longitudinal axis of the swirl chamber (2), is brought together in increasingly smaller circular paths
Implementation Method 2
the swirl chamber (2) tapers in the outflow direction towards a nozzle channel (5), and therefore the water stream, which is made to rotate in the swirl chamber (2) around the longitudinal axis of the swirl chamber (2), is brought together in increasingly smaller circular paths
Implementation Method 3
directed through the nozzle channel (5), until the water jet exits, at the end region of the nozzle channel (5), into the atmosphere
Data Source
AI summary
An atomizer nozzle (1) for a sanitary water outlet, which atomizer nozzle (1) is intended for atomizing water under pressure. The characterizing feature of the atomizer nozzle (1) according to the invention is that the atomizer nozzle (1) has a swirl chamber (2), in which at least one feed channel (4) that is oriented transversely in relation to the longitudinal axis of the nozzle and runs approximately tangentially into the swirl chamber (2) opens out, wherein the swirl chamber (2) tapers in the outflow direction, in the direction of a nozzle channel (5). The atomizer nozzle (1) can be used to produce a water jet of a homogeneous jet pattern that gives the impression of a voluminous water jet in spite of having a low volumetric flow.