US 11,953,491 B2
Detection device
Kazuji Sasaki, Yokohama (JP); Tomonori Murata, Yokohama (JP); and Daisuke Goto, Naka-gun (JP)
Assigned to KELK Ltd., Hiratsuka (JP)
Appl. No. 17/285,501
Filed by KELK Ltd., Hiratsuka (JP)
PCT Filed Oct. 8, 2019, PCT No. PCT/JP2019/039582
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/080174, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 2018-196049 (JP), filed on Oct. 17, 2018.
Prior Publication US 2021/0382031 A1, Dec. 9, 2021
Int. Cl. G01N 21/59 (2006.01); G01N 21/94 (2006.01); G01N 33/28 (2006.01); H01Q 1/22 (2006.01); H01Q 1/38 (2006.01); H01Q 13/10 (2006.01)
CPC G01N 33/2888 (2013.01) [G01N 21/59 (2013.01); G01N 21/94 (2013.01); H01Q 1/2208 (2013.01); H01Q 1/38 (2013.01); H01Q 13/10 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A detection device that is capable of being attached to a through hole, comprising:
a main body portion including an insertion portion that is capable of being disposed inside the through hole and a head portion that is disposed outside the through hole when the insertion portion is disposed inside the through hole;
a detection portion disposed in the insertion portion and configured to detect a state of a fluid;
a cover portion disposed so as to form a gap between the cover portion and the head portion;
an insulating portion having a cylindrical lateral wall and disposed so as to be sandwiched between the head portion and the cover portion; and
an oscillation portion accommodated inside the insulating portion and configured to perform a wireless output of a detection result of the detection portion using the head portion, the cover portion, and the gap as a slot antenna.