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Patent Searching and Data


Title:
ELEMENTAL ANALYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/182059
Kind Code:
A1
Abstract:
To provide an elemental analysis device with which it is possible to reduce the frequency of dust filter replacement and reduce the time and effort required for maintenance by a user, this elemental analysis device is equipped with: a heating furnace 3 in which a crucible MP containing a sample is heated to vaporize the sample and generate sample gas; an introduction channel L1 for introducing carrier gas into the heating furnace 3; an outlet channel L2 through which mixed gas consisting of the carrier gas and the sample gas is extracted from the heating furnace 3; a dust filter 4 that is provided on the outlet channel L2; an analysis mechanism AM that is provided downstream of the dust filter 4 on the outlet channel L2 and detects one or more predetermined components contained in the mixed gas; and a cleaning gas supply mechanism R that allows cleaning gas to flow in the direction opposite from the direction in which the mixed gas flows, to the dust filter 4.

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Inventors:
INOUE TAKAHITO (JP)
UCHIHARA HIROSHI (JP)
Application Number:
PCT/JP2021/006093
Publication Date:
September 16, 2021
Filing Date:
February 18, 2021
Export Citation:
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Assignee:
HORIBA LTD (JP)
International Classes:
F27B14/06; G01N1/22; G01N25/20; G01N31/12
Foreign References:
JP2007187579A2007-07-26
JP2004286698A2004-10-14
JP2004077259A2004-03-11
JP2000002699A2000-01-07
JP2000258307A2000-09-22
JP2000065696A2000-03-03
JPH0295863U1990-07-31
JP2000338019A2000-12-08
JP2000266741A2000-09-29
Attorney, Agent or Firm:
NISHIMURA, Ryuhei (JP)
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