Threaded Aerator Venting Layout for Larger Water Jet Diameter
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Solution Overview
Problem
Sanitary inserts, particularly aerators, face challenges in creating a larger water jet diameter while maintaining effective ventilation and secure fitting into sanitary fittings, often compromising on space and airflow due to internal ventilation paths.
Innovation Solution
The ventilation path is designed to run sectionally outside the thread, allowing air to enter and mix with water, creating a larger diameter jet, with features like radial orientation, open design, and interrupted threads for unimpeded airflow, and utilizing the thread for both securing and ventilating purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the ventilation path runs inside the sanitary insert, then the structure is compact, but the jet diameter is limited and space is insufficient
Solution Approach 1:
The ventilation path is relocated from the internal volume to the external surface of the sanitary insert, specifically running in the axial area occupied by the thread. This dimensional relocation provides additional space for a larger jet diameter while maintaining structural compactness.
Solution Approach 2:
The thread area, which traditionally serves only for securing the insert to the fitting, is given a dual function by allowing the ventilation path to run through it. This multi-functional use of the thread area creates space for both secure mounting and effective ventilation without increasing overall device complexity.
2Reliability
If the thread is interrupted for ventilation path, then airflow is improved, but threading security is compromised
Solution Approach 1:
The thread is interrupted only in the specific axial areas where the ventilation path needs to pass through, while remaining intact in other areas. This localized interruption provides necessary airflow paths while preserving thread engagement strength in the remaining portions.
Solution Approach 2:
The thread is divided into multiple segments, with interruptions only where ventilation is required. This segmentation allows the ventilation path to pass through while maintaining sufficient thread engagement in the uninterrupted sections to ensure secure fastening.
3Productivity
If the ventilation path is narrow, then the structure is compact, but airflow is restricted and capillary action occurs
Solution Approach 1:
The ventilation path dimensions are designed to be self-regulating, with a width at the narrowest point equal to or greater than the ventilation opening width. This ensures sufficient airflow capacity while preventing capillary action that would draw water into the path, eliminating the need for additional anti-capillary measures.
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 design enhances airflow and creates a larger water jet diameter while ensuring secure fitting and reduced water ingress, facilitating easy assembly and disassembly.
Implementation Method 1
the ventilation passage 11 runs at least sectionally in an axial area 12 occupied by the thread 3 on the outer surface 4
Implementation Method 2
air from the downstream side to enter the interior of the sanitary insert along the ventilation path and be available there for mixing water or another fluid
Implementation Method 3
the ventilation opening can be radially oriented. This allows, for example, a connection between the interior and exterior of the sanitary insert
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A sanitary insert (1), in particular an aerator (2), is proposed, comprising a thread (3), an outer surface (4), an inner surface (5), a wall (6), wherein the wall (6) has at least one ventilation opening (7), the ventilation opening (7) connecting the outer surface (4) to the inner surface (5), and an outflow side (8), wherein the sanitary insert (1) has at least one ventilation passage (11), the ventilation passage (11) connecting the outflow side (8) and the ventilation opening (7), characterized in that the ventilation passage (11) runs at least partially in an axial region (12) occupied by the thread (3) on the outer surface (4) of the sanitary insert (1).