Working principle of gear flowmeter | Inventor of elliptical gear flowmeter

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What are the flow regulation methods for metering pumps?

2. What flow meter is good for slow liquid flow rate?

When the liquid flow rate is slow, it is recommended to choose elliptical gear flow meters, electromagnetic flow meters, or Coriolis mass flow meters that are sensitive to low flow rates.. 1. The elliptical gear flowmeter measures flow rate by a fixed volume driven by liquid to rotate the elliptical gear, with high accuracy (± 0.5%~1%) and minimal viscosity impact. Suitable for high viscosity fluids such as crude oil and Mu Lu lubricating oil, and can maintain accurate measurement even in low flow rate environments. two The electromagnetic flowmeter measures flow velocity based on the principle of generating electromotive force by cutting magnetic induction lines with conductive liquid, with minimal pressure loss and the ability to capture extremely low flow velocities (such as below 0.1m/s). Conductive liquids such as acid, alkali, and salt solutions are commonly used in this type and are widely used in the chemical and water treatment industries. three The Coriolis mass flowmeter utilizes the Coriolis effect generated by fluid vibration to directly measure mass flow rate, with the highest accuracy and no interference from temperature and density. Low flow rate scenarios with strict requirements such as pharmaceuticals and food processing are preferred, but there are high requirements for installation location and liquid cleanliness.

3. Inventor of the elliptical gear flowmeter

There is currently no exact record of the inventor of the elliptical gear flowmeter.

. 1. Background and current situation: The specific inventor name of the elliptical gear flowmeter has not be The working principle of gear flowmeter

en clearly recorded in the publicly available materials. The core technology development of this flowmeter is closely related to the industrial demand in the field of volumetric measurement, and may be improved by multiple parties in technological iterations. two The working principle and technical features of the elliptical gear flowmeter belong to the volumetric flowmeter. It divides the fluid into known volume units and counts them through the meshing rotation of the elliptical gear, achieving flow accumulation calculation from leakage clearance. Its characteristics include adaptability to high viscosity fluids, high measurement accuracy, and strong structural stability, making it suitable for industrial scenarios such as petroleum and chemical industries. three The historical development and technological evolution can be traced back to the mid-19th century, when volumetric flow measurement technology was initially applied in the industrial field. With the improvement of machining accuracy, the design of elliptical gears as measuring components gradually matured, and they began to be widely used in industrial production during the mid-20th century. This process may involve improvement patents from multiple technical teams, but no single inventor record has been formed. four If the research direction of literature needs to trace the origin of technology, one can consult early patent literature or industrial metrology history monographs on volumetric flow meters, such as patent application files for gear flow measurement devices in European and American countries from 1870 to 1930, which may include relevant prototype design records.

Working principle of gear flowmeter | Inventor of elliptical gear flowmeter

What are the flow regulation methods for metering pumps?

2. What flow meter is good for slow liquid flow rate?

3. Inventor of the elliptical gear flowmeter

4. Elliptical gear flowmeter, why can a gear rotate once to discharge four and

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