US 11,953,807 B2
Detection device, mechanical device, and work vehicle
Hiroyuki Chikugo, Tokyo (JP); Shuuji Hori, Tokyo (JP); and Haruna Higashi, Tokyo (JP)
Assigned to Komatsu Ltd., Tokyo (JP)
Appl. No. 17/420,840
Filed by Komatsu Ltd., Tokyo (JP)
PCT Filed Feb. 26, 2020, PCT No. PCT/JP2020/007875
§ 371(c)(1), (2) Date Jul. 6, 2021,
PCT Pub. No. WO2020/184189, PCT Pub. Date Sep. 17, 2020.
Claims priority of application No. 2019-047300 (JP), filed on Mar. 14, 2019.
Prior Publication US 2022/0091485 A1, Mar. 24, 2022
Int. Cl. G03B 17/56 (2021.01); G01N 21/88 (2006.01); H01F 7/02 (2006.01)
CPC G03B 17/561 (2013.01) [G01N 21/88 (2013.01); H01F 7/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A detection device comprising:
an attracting face photographing unit;
a first holding portion holding the attracting face photographing unit;
a magnet having an attracting face facing a flow space in which fluid flows, the attracting face opposed to the attracting face photographing unit via the flow space;
a second holding portion holding the magnet; and
a connection portion connected to the second holding portion and having an opening portion.