INVENTORY CALCULATING DEVICE AND INVENTORY CALCULATING METHOD

WIPO Patent Application WO/2023/074497

A1

An inventory calculating device (100) according to one aspect of an embodiment comprises a first displacement gauge (5a), a second displacement gauge (5b), and a calculating unit (102c). The first displacement gauge (5a) is provided in an upper portion of a storage tank (10), and is provided in such a way as to be capable of measuring, in a vertical direction by means of measuring waves, a first distance (I1), which is a distance to a central portion of a surface of powder accommodated in the storage tank (10). The second displacement gauge (5b) is provided in such a way as to be capable of measuring, by means of measuring waves, a second distance (I2), which is a distance to the surface of the powder at a prescribed angle (θc) relative to the vertical direction. The calculating unit (102c) calculates an inventory of the powder, including a case in which a surface shape of the powder surface is a recessed shape, on the basis of the measurement result from the first displacement gauge (5a), the measurement result from the second displacement gauge (5b), and a type of the powder accommodated in the storage tank (10).

FURUSAWA KENGO (JP)
PIAO JINJI (JP)
KOFUNE KEISUKE (JP)
SAKAIDA SHINICHI (JP)
MATSUO TOSHIKAZU (JP)

PCT/JP2022/038931

May 04, 2023

October 19, 2022

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YE DIGITAL CORP (JP)

G01F23/284; G01F23/292

US20210140811A1	2021-05-13
US20190107427A1	2019-04-11
JP2010196027A	2010-09-09
JP2005147847A	2005-06-09

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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