Flow Meter Radial Insertion for Flexible Channel Geometry
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Solution Overview
Problem
Existing flow meters with axial insertion of measuring inserts face limitations in geometry, difficulty in realizing tapered designs, and require significant assembly effort, especially for larger nominal widths.
Innovation Solution
A flow meter design with a flow channel body and measuring channel insert that are positioned using a radial insertion method, where the measuring channel insert is fixed in place by the flow channel body, allowing for precise assembly and reduced construction volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If axial insertion method is used for measuring insert, then assembly is straightforward, but geometry is limited and tapered designs are difficult to realize
Solution Approach 1:
The patent inverts the traditional axial insertion method by using radial insertion. The measuring insert is inserted radially into the measuring tube through a recess in the end face, allowing the insert to have any desired geometry including tapered designs without assembly difficulties. This inversion of the insertion direction resolves the contradiction between assembly simplicity and geometric flexibility.
2Manufacturing precision
If measuring insert is submerged in measuring channel, then flow guidance is improved, but assembly effort increases significantly for larger nominal widths
Solution Approach 1:
The patent segments the flow meter into distinct modular components: the measuring tube with recess, the measuring insert with specific geometry, and the end cap. This segmentation allows each component to be manufactured independently with optimized geometry for flow guidance, while the radial insertion method enables quick assembly by simply positioning the insert into the recess, significantly reducing assembly effort compared to traditional methods.
3Ease of operation
If clip-on solution with transducers on pipe wall is used, then installation is easy, but measuring signals are influenced by pipe material
Solution Approach 1:
The patent extracts the ultrasonic transducers from the pipe wall environment and places them inside the measuring insert, which is positioned within the measuring tube. This extraction eliminates the interference of pipe wall materials from the measurement path. The transducers are now surrounded by the same fluid medium on both sides, ensuring consistent and accurate measurements regardless of the external pipe material.
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
Enables easy and precise assembly with high measuring accuracy, reduced assembly effort, and improved signal quality by minimizing signal noise and interference, particularly suitable for both small and large nominal widths.
Implementation Method 1
two ultrasonic transducers which are attached to a pipe section of the pipeline... both transducers acting as transmitter and receiver. The measurement signals are coupled into the fluid at an angle through the pipe section wall. The flow rate can then be determined in a known manner from the transit time of the measuring signals from the transmitter to the receiver.
Implementation Method 2
The flow rate can then be determined in a known manner from the transit time of the measuring signals from the transmitter to the receiver.
Data Source
AI summary
This disclosure relates to a flow meter (1) comprising a measuring channel insert (28) which is placed in a flow channel body (2) in the radial direction, an inlet insert (24) and/or an outlet insert (26) being placed in advance in the axial direction.