Modular Immersion Fitting Assembly Without External Weights
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Solution Overview
Problem
There is a need for a transportable, easy-to-operate, and easy-to-clean fitting for short-term measurements in various environments, such as streams and sewage treatment plants, that does not require weights and allows for efficient installation and maintenance.
Innovation Solution
A modular fitting design comprising a hollow-cylindrical tube with a protective basket and a crown nut, a ring element, and a fitting base with internal threads, allowing for easy assembly and disassembly, and featuring positive-locking elements to prevent rotation and ensure secure connections, enabling the fitting to be completely removable and easily cleaned.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a transportable fitting is used for short-term measurements, then ease of operation and transportability are improved, but stability and positioning accuracy deteriorate without weights
Solution Approach 1:
The patent applies the anti-weight principle by using the buoyant force of water to counteract the weight of the fitting. The hollow-cylindrical fitting tube and protective basket are designed with sufficient internal volume to displace water, generating buoyancy that balances the fitting's weight, allowing it to remain stable and positionable without external weights.
2Ease of repair
If a modular design with multiple components is used, then ease of cleaning and maintenance are improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the fitting into distinct modular components: a hollow-cylindrical fitting tube, a protective basket with teeth, a crown nut, a ring element, and a fitting base. These components can be easily separated for cleaning and maintenance, with each part being independently accessible and cleanable, while the segmentation itself is achieved through simple threaded connections rather than complex assembly mechanisms.
3Reliability
If a protective basket with teeth and crown nut is used, then reliability of sensor protection and connection are improved, but device complexity increases
Solution Approach 1:
The patent applies merging by combining multiple functions into the protective basket and crown nut assembly. The protective basket not only protects the sensor but also provides structural support and positioning features (teeth) that engage with the crown nut. The crown nut simultaneously secures the basket to the fitting tube and provides a interface for attachment, merging protection, support, and connection functions into integrated components rather than separate elements.
Data Source
AI summary
A modular fitting for immersion in a medium includes: a cylindrical fitting tube configured to accommodate a sensor as to enable contact with the medium at a first end, wherein at the first end a protective basket with at least two tines is arranged; a crown nut including an external thread and at least two slots; a ring; and a cylindrical fitting base including an internal thread complementary to the external thread of the crown nut at a first end region of the fitting base and a stop at a second end region of the fitting base, wherein the ring is configured to be slipped over a cable connected to the sensor, wherein the fitting base is configured to accommodate and fix the ring via the crown nut, and wherein the fitting base and the fitting tube each comprise connecting means to releasably connect them securely to each other.