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Seal system in situ lifetime measurement

A technology for sealing systems and seals, applied in the field of sealing systems, can solve problems such as expensive resealing and cleaning operations, troublesome sealing performance, and danger

Active Publication Date: 2010-01-20
TRELLEBORG SEALING SOLUTIONS GERMANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In other applications, the effects of loss of sealing performance range from simple maintenance nuisances to costly resealing and cleaning operations to potentially hazardous situations

Method used

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  • Seal system in situ lifetime measurement
  • Seal system in situ lifetime measurement
  • Seal system in situ lifetime measurement

Examples

Experimental program
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Embodiment Construction

[0025] With reference to the accompanying drawings in particular figure 1 , shows a seal assembly 20 generally comprising a polymeric seal 22 and an embedded sensor 24 to be used when the seal 22 is deployed in an application. Such applications include, but are not necessarily limited to, static seals, rotary seals, piston-type seals, and rod-type seals. It should be understood that sealing assembly 20 is part of a larger packaging system, which may include multiple sealing assemblies, each of which may, but need not, be nearly identical to sealing assembly 20 .

[0026] As long as the seal 22 or sealing system is placed within its sealed environment, the sensor 24 employed can measure certain aspects of the seal 22 or sealing system, under pressurization or unpressurization. Sensor 24 may be selected from one of the group of known sensors for measuring temperature, pressure, fluid, acceleration, impedance, vibration, stress, strain, current, radiation (including x-ray, micro...

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PUM

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Abstract

A sealing system for sealing between two members includes a polymer seal disposed between the two members, a measurement device, and an evaluation unit. The measurement device is at least partially disposed within the polymer seal, is configured for measuring an aspect of the polymer seal indicating sealing performance of the polymer seal, and is configured for creating a signal corresponding to a measured aspect of the polymer seal. The evaluation unit is configured for evaluating the signal corresponding to the measured aspect of the polymer seal and for determining a sealing performance capability of said polymer seal.

Description

[0001] Cross References to Related Applications [0002] This is a continuation-in-part of US Patent Application Serial No. 12 / 145,203, entitled "Seal Assembly Field Life Measurement," filed June 24, 2008, which is hereby incorporated by reference. technical field [0003] The present invention relates to sealing systems. Background technique [0004] It is well known that in use, seals and sealing systems sometimes experience a loss of sealing effectiveness. Sometimes in different applications, the loss of sealing performance only leads to the need to replace the seal. In other applications, the impact of loss of sealing performance ranges from simple maintenance nuisances to costly resealing and cleaning operations to potentially hazardous situations. It would be beneficial if the seal or sealing system could give an indication, before total failure, that the seal or sealing system has lost some but not all of its performance, and that replacement of the seal or sealing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/00G01M3/00G01M3/02
CPCF16C33/201F16C33/74F16C17/24F16J15/3296
Inventor L·卡斯尔曼
Owner TRELLEBORG SEALING SOLUTIONS GERMANY
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