Coriolis flow meter with a vibration-type sensor and use of the Coriolis flow meter
The Coriolis flow meter employs a PCB coil and magnetic field-generating elements to improve insulation and performance, addressing high-temperature applications by enhancing measurement capabilities and reliability.
DE102015017561B4Active Publication Date: 2026-05-28ENDRESS HAUSER FLOWTEC AG
Patent Information
- Application Number
- DE102015017561
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2015-11-19
- Publication Date
- 2026-05-28
- Estimated Expiration
- 2035-11-19
AI Technical Summary
Technical Problem
Existing Coriolis flow meters face challenges in applications at medium temperatures above 250°C due to high demands on sensor and excitation design, requiring improved insulation and winding density of coils.
Method used
A Coriolis flow meter with a vibration-type sensor using a printed circuit board (PCB) coil and a magnetic field-generating element, such as permanent magnets or electromagnets, to enhance measurement performance and insulation, allowing operation at elevated temperatures.
Benefits of technology
The PCB coil design increases measurement performance and provides better insulation, enabling reliable operation at temperatures exceeding 250°C while being cost-effective.
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Smart Images
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Abstract
Coriolis flowmeter (1) comprising a vibration-type sensor for measuring a flow rate and / or flow velocity of a fluid medium carried in a pipeline, wherein the sensor comprises a vibrating tube (2), and at least one electrodynamic exciter (3.II) for exciting the vibrating tube (2) into a oscillating motion and at least one electrodynamic sensor (3.I or 3.III), in particular two sensors (3.I and 3.III), for detecting a measurement signal generated by vibrations of the tube (2), wherein the exciter (3.II) and / or the sensor (3.I or 3.III)III) comprises at least two components, wherein a first component is designed as a printed circuit board (7, 17) with at least one conductor track (9, 19) for forming a printed circuit board coil, wherein a second component is designed as a magnetic field generating element (6), wherein one of the two components is arranged directly or indirectly on or in the vibrating tube (2) and excites the tube (2) to vibrate or receives the measurement signal by relative movement to the second of the two components, characterized in that the printed circuit board (7, 17) is designed as a low-temperature bonded ceramic (LTCC ceramic).
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Citation Information
Patent Citations
Vibration-type measuring sensor
EP1807681A2
Stationary coils for a coriolis effect mass flowmeter
US5349872A