US 12,228,479 B2
Gas collection device and gas detection system
Shinichi Abe, Uji (JP); Daisuke Ueyama, Nara (JP); and Etsuro Shimizu, Uji (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Appl. No. 17/599,522
Filed by KYOCERA Corporation, Kyoto (JP)
PCT Filed Mar. 26, 2020, PCT No. PCT/JP2020/013786
§ 371(c)(1), (2) Date Sep. 28, 2021,
PCT Pub. No. WO2020/203682, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-066721 (JP), filed on Mar. 29, 2019; application No. 2019-083105 (JP), filed on Apr. 24, 2019; and application No. 2019-155821 (JP), filed on Aug. 28, 2019.
Prior Publication US 2022/0146379 A1, May 12, 2022
Int. Cl. G01N 1/24 (2006.01); E03D 9/052 (2006.01)
CPC G01N 1/24 (2013.01) [E03D 9/052 (2013.01); G01N 2001/242 (2013.01); G01N 2001/245 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A gas collection device including a toilet seat and a toilet bowl, the gas collection device comprising:
a flow path connected to a predetermined tank; and
an introducer that introduces a sample gas into the flow path and that is located between the toilet seat and the toilet bowl, wherein the introducer includes
a first opening connected to the flow path,
a second opening having an opening area larger than an opening area of the first opening, and
an introduction surface that connects the first opening and the second opening, wherein the introducer
does not protrude toward an inside of the toilet bowl from a rim portion of the toilet bowl.