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Apparatus for fluid control device leak detection

A technology for controlling equipment and fluids, which is applied in the field of leak detection and can solve problems such as bellows leakage

Inactive Publication Date: 2014-02-12
FISHER CONTROLS INT LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these bellows can also develop leaks over time

Method used

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  • Apparatus for fluid control device leak detection
  • Apparatus for fluid control device leak detection
  • Apparatus for fluid control device leak detection

Examples

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Embodiment Construction

[0009] Some examples are shown in the figures above and described in detail below. In describing these examples, like or identical reference numbers are used to identify identical or similar elements. The figures are not necessarily to scale and certain features and certain views of the figures may be shown exaggerated in scale or schematically for clarity and / or conciseness. Furthermore, several examples have been described throughout this specification. Any feature from any example may be included with, substituted for, or otherwise combined with other features from other examples.

[0010] Fluid control equipment implemented in hazardous and / or lethal applications such as chlorine and / or polysilicon production may include bellows to prevent leakage of process fluid to atmosphere through the cover. However these bellows may develop leaks over time. Such bellows leaks may be difficult to detect without installing additional air monitoring components and / or exposing operato...

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Abstract

Apparatus for fluid control device leak detection are disclosed. An example apparatus in accordance with the teachings of this disclosure includes a plurality of ports. One of the ports is to receive a supply pressure to drive an actuator and another of the ports to be fluidly coupled to a purge port of a fluid control device. The apparatus includes a sensor to measure a value at the purge port and a processor to compare the value to a predetermined value or a previously measured value to identify if the value is outside of a predetermined threshold.

Description

technical field [0001] This patent relates generally to leak detection, and more particularly to apparatus for detecting leaks from fluid control equipment. Background technique [0002] Fluid control equipment implemented in hazardous and / or lethal applications such as chlorine and / or polysilicon production may include bellows to prevent leakage of process fluid to atmosphere through the cover. However, these bellows can also develop leaks over time. In some cases, these sensors can be used to detect bellows leaks in fluid control equipment. Contents of the invention [0003] An example device according to the teachings of this disclosure includes a plurality of ports. One of the ports is for receiving supply pressure to drive the actuator, and the other of the ports is for fluidly coupling to a purge port of the fluid control device. The device includes a sensor for measuring a value at said purge port, and a processor for comparing said value to a predetermined value...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/26G01M3/02G05B23/02
CPCF16K37/0083F16K37/0091F16K37/00G05B9/02F17D5/02G01M3/2876Y10T137/7836Y10T137/0379Y10T137/8158F16K37/0041
Inventor A·R·科尔曼B·W·科尔曼S·W·哈根
Owner FISHER CONTROLS INT LLC
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