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Particle measuring system

A particle and particle technology, applied in the field of particle measurement system, can solve the problem that the signal is susceptible to electromagnetic interference and influence

Inactive Publication Date: 2021-04-13
胡月华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Additionally, most particle measurement systems use electrical signals, which are susceptible to electromagnetic interference (EMI) near harsh environments

Method used

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Embodiment Construction

[0014] The above and other objects and advantages of the present invention will be easily understood by those skilled in the art by reading the following description of the embodiments of the present invention. The description and drawings illustrate exemplary embodiments of the invention and enable any person skilled in the art to make or use the invention, and are not intended to limit the scope of the invention in any way. With respect to the methods disclosed and illustrated, the steps described are exemplary in nature and, therefore, the order of the steps is not necessary or critical.

[0015] As used herein, the terms "first", "second", "third" and "fourth" are used interchangeably to distinguish one component from another and are not intended to denote the position or importance of individual components.

[0016] The present invention uses an in situ approach where, in the sensor probe, fiber optic cable interconnects are used to separate the light source, detector and...

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Abstract

The invention discloses a system for detecting the size distribution and mass concentration of particles in a particle gas or liquid. The system separates a sensing element from an electronic unit and uses an optical fiber for interconnection, and only the sensing element needs to bear severe environmental conditions. The system reduces design limitations on electronics, and allows optical components to be integrated into a sensing probe capable of withstanding high temperature and high pressure environments.

Description

technical field [0001] The present invention relates to a particle measurement system comprising one or more sensor probes connected by optical fibers or cables to one or more isolated electronic units to detect dust particles in an engine such as a gas turbine engine or crumbs. The system is also suitable for air and liquid media. Background technique [0002] The present invention addresses the need to characterize particles in harsh environments. It was originally inspired by the need to quantify the ingestion of particulates by aircraft gas turbine engines used on board aircraft. Such aircraft are increasingly required to operate in harsh environments, especially those where large amounts of sand and dust are present. Sand and dust ingestion in gas turbine engines can lead to hardware corrosion, passage blockage and cooling system deterioration. This can lead to reduced engine performance and eventually engine failure. Engine manufacturers and customers would prefer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/02G01N15/06
CPCG01N15/0205G01N15/06G01N15/075
Inventor 胡月华
Owner 胡月华