The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 20, 2024

Filed:

Jan. 14, 2022
Applicants:

Mitsui E&s Du Co., Ltd., Aioi, JP;

Meiyo Electric Co., Ltd., Shizuoka, JP;

Inventors:

Takashi Fujii, Aioi, JP;

Shigeki Kagomiya, Shizuoka, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/74 (2006.01);
U.S. Cl.
CPC ...
G01N 27/74 (2013.01);
Abstract

Provided is a magnetic material concentration measuring device including: a bobbin having an outer circumference around which an exciting coil, an output coil, and a further exciting coil are wound; an eccentric hole formed in the bobbin; a rotor that is rotatably fitted in the eccentric hole about an eccentric axis line; a first cutout part that forms a first flow passage on one end side in an eccentric axis line direction of the rotor; a second cutout part that forms a second flow passage whose angle is shifted in a rotor rotation direction with respect to the first cutout part, on another end side in the eccentric axis line direction of the rotor; and a communication passage that connects the first flow passage and the second flow passage.


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