专利名称：Arrangement for the detection of particles
in a gas flow
发明人：Hans Winter申请号：US06/288940申请日：19810731公开号：US04474472A公开日：19841002
摘要：A measuring system for the detection of particles in a gas flow utilizes a lightsource, a light detector for receiving light from the light source, and an evaluating circuitconnected to the light detector. A hollow body having a longitudinal portion and a sideportion which branches off from the longitudinal portion at an angle is provided. One endof the longitudinal portion is open for entry of the gas flow and an end of the sideportion is open for exiting of the gas flow. The other end of the longitudinal portion isclosed with a cover in which the light source and light detector means are arranged.Particles which might be present in the gas are deposited on inner walls of a bore hole inthe cover so as to change detected intensity of the light from the light source whichpasses through soiled areas at the inner wall of the bore hole.
申请人：SIEMENS AKTIENGESELLSCHAFT
代理机构：Hill, Van Santen, Steadman & Simpson
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