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Diaphragm structure and method of manufacturing diaphragm structure

A diaphragm and accommodating structure technology, used in elastic deformation gauge-type fluid pressure measurement, instruments, and fluid pressure measurement through mechanical components, etc., can solve problems such as damage, changes in diaphragm structure performance, and inconsistent performance of pressure transmitters

Active Publication Date: 2013-06-05
P I COMPONENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the structure cools, the tantalum diaphragm structure can buckle, causing significant damage
In some cases, such buckling may not be overtly detectable, but may still cause performance changes in the diaphragm structure
Diaphragm structures have traditionally included features in their shape to overcome this deficiency; however performance may not be consistent across pressure transmitters

Method used

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  • Diaphragm structure and method of manufacturing diaphragm structure
  • Diaphragm structure and method of manufacturing diaphragm structure
  • Diaphragm structure and method of manufacturing diaphragm structure

Examples

Experimental program
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Embodiment Construction

[0017] figure 1 is a diagram of a specific illustrative embodiment of a process control system 100 including a pressure transmitter 102 in communication with a control system 104 via wiring 106 . In alternative embodiments, pressure transmitter 102 may include a wireless transceiver for communicating with control system 104 via a wireless communication link. Pressure transmitter 102 is shown in partial cross-section. Pressure transmitter 102 is coupled to manifold 108 (or other attachment mechanism) via base housing portion 110 . In particular embodiments, header 108 may be coupled to conduit 109 via first line 141 and second line 151 . In another specific example, header 108 or other attachment features such as clips may couple pressure transmitter 102 to a reservoir wall, to other equipment, or any combination thereof. In particular embodiments, the pressure transmitter 102 and the header 108 may be located a distance from the process piping 109 and the first line 141 and...

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Abstract

In a particular embodiment, a process transmitter includes a corrosion resistive housing including a flange portion, where the corrosion resistive housing is formed from a first material. The process transmitter also includes an outer ring formed from a second material. The outer ring has an inner diameter and is brazed to the flange portion. The process transmitter further includes a deformable diaphragm formed from a third material, the deformable diaphragm is welded to the outer ring at a weld seam between the diaphragm and the outer ring adjacent to the inner diameter to form a fluid seal.

Description

technical field [0001] The present disclosure generally relates to membrane structures and methods of making membrane structures. More specifically, the present disclosure relates to isolation diaphragm structures including dissimilar metals. Background technique [0002] Process transmitters are used to monitor process variables such as pressure, temperature, flow and process fluid level used in various industrial processes. In some cases, process transmitters used to measure pressure and / or flow parameters may include an isolating diaphragm coupled to a device such as a pipe, reservoir, or other process device Industrial process equipment. Typically, the isolation diaphragm seals at least a portion of the process transmitter housing from exposure to the process fluid. Pressure may be measured directly from the diaphragm based on the deflection of the diaphragm in response to pressure, or may be measured indirectly with a remote pressure sensor coupled to the isolated di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L7/08G01L9/00
CPCG01L7/082G01L19/0645
Inventor 达里奥·菲利皮吉奥瓦尼·菲利皮
Owner P I COMPONENTS