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Blocking Flow Detector

A flow detector and flow blocking technology, which is applied in the field of flow blocking flow detectors, can solve the problems of no setting operation, maintenance work, and no space for flow blocking flow detectors, etc.

Active Publication Date: 2021-10-15
SHOWA INSTR INFORMATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] This type of choke type flow detector is installed and used in various equipment and machine piping, but depending on the equipment and machinery, there may not be enough space for installing the choke type flow detector.
In addition, even if there is space for installing a choke-type flow detector, there may not be sufficient space for installation and maintenance of the choke-type flow detector.

Method used

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  • Blocking Flow Detector
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  • Blocking Flow Detector

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0036] like figure 1 As shown, the choke type flow detector 10 according to the embodiment of the present invention includes: a choke member 12 provided so that the rotation angle changes according to the flow rate of the fluid to be measured; A base end portion 12A on the rotation center 14 side of the spoiler 12 is slidably supported from the radially inner side; a magnet 18 is provided at the rotation center 14 of the spoiler 12 so as to rotate integrally with the spoiler 12 . a coaxial position; and a sensor 20 for detecting the rotation angle of the magnet 18, the central shaft portion 16, the magnet 18, and the sensor 20 are arranged axially in sequence and are arranged separately from each other in the axial direction.

[0037] like figure 2 As shown, the spoiler 12 has a structure in which a base end portion 12A and a plate-shaped body portion 12B are integrally formed. It should be noted that the material of the spoiler 12 is, for example, synthetic resin. The fir...

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PUM

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Abstract

The present invention provides a choke type flow detector with a simple structure, easy assembly work, etc., and easy miniaturization. The choke type flow detector (10) is provided with: a choke piece (12), which is installed in such a way that the rotation angle changes according to the flow rate of the fluid to be measured; The base end portion (12A) on the rotation center (14) side is slidably supported from the radially inner side; the magnet (18) is provided at the rotation center of the spoiler (12) so as to rotate integrally with the spoiler. coaxial position; and a sensor (20), which is used to detect the rotation angle of the magnet (18), the central shaft portion (16), the magnet (18) and the sensor (20) are arranged axially in sequence, and mutually axially set separately.

Description

technical field [0001] The present invention relates to a choke type flow detector that detects the flow rate of a fluid based on the rotation angle of a flapper. Background technique [0002] Conventionally, a choke type flow detector is known as a detector for detecting the flow rate of fluids such as air and water. The choke-type flow detector includes a choke provided so as to close a flow path of a fluid to be measured and to be rotatable around a base end by the flow of the fluid, and to urge the choke toward a closed position. Spring and other force-applying mechanisms. The spoiler rotates by a predetermined angle from the closed position against the urging force of a spring or the like according to the flow rate of the fluid, so the flow rate of the fluid can be measured based on the rotation angle of the spoiler. As a method of detecting the rotation angle of the baffle, there are known methods of directly installing a pointer on the rotation axis of the baffle an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/28
CPCG01F1/28
Inventor 重田创中山谕筱原利彦
Owner SHOWA INSTR INFORMATION CORP