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Title:
WIRELESS MONITORING AND PROFILING OF REACTOR CONDITIONS USING ARRAYS OF SENSOR-ENABLED RFID TAGS PLACED AT KNOWN REACTOR HEIGHTS
Document Type and Number:
WIPO Patent Application WO/2019/139968
Kind Code:
A1
Abstract:
Disclosed is a system and method for wirelessly monitoring process conditions within a reactor vessel. An array of sensor-enabled radio frequency identification (RFID) tags is placed at known heights within a catalyst bed of a vessel and are used to measure 10 various conditions within the vessel. The sensor-enabled RFID tags are encoded with individual identification codes and are wirelessly linked to multiple transceivers. The use of multiple transceivers allows for the application of triangulation methods to identify the location of each of the sensor-enabled RFID tags in three-dimensional space and for the interrogation of each sensor-enabled RFID tag to receive responsive transponder signals 15 that carry information representative of the sensed condition within the reactor.

Inventors:
VOGT KASPAR JOSEPH (US)
FUCHS DAVID WINN (US)
Application Number:
PCT/US2019/012876
Publication Date:
July 18, 2019
Filing Date:
January 09, 2019
Export Citation:
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Assignee:
SHELL OIL CO (US)
SHELL INT RESEARCH (NL)
International Classes:
H04Q9/00; G21C17/00
Domestic Patent References:
WO2014062066A12014-04-24
WO2012104230A12012-08-09
WO2003098175A12003-11-27
Foreign References:
US7397370B22008-07-08
US20140294041A12014-10-02
US7397370B22008-07-08
US8106778B22012-01-31
US20070215709A12007-09-20
US9317795B22016-04-19
US20130057390A12013-03-07
US9563833B22017-02-07
US9412061B22016-08-09
US9035766B22015-05-19
Attorney, Agent or Firm:
STEWART, Charles W. (US)
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