US 11,867,674 B2
Gas detector calibration cap with an extended strip
Xingguo Wu, Shanghai (CN); Yuhui Xu, Shanghai (CN); and Zengping Chen, Shanghai (CN)
Assigned to Honeywell International Inc., Charlotte, NC (US)
Appl. No. 17/278,566
Filed by Honeywell International Inc., Charlotte, NC (US)
PCT Filed Oct. 2, 2018, PCT No. PCT/CN2018/109236
§ 371(c)(1), (2) Date Mar. 22, 2021,
PCT Pub. No. WO2020/069633, PCT Pub. Date Apr. 9, 2020.
Prior Publication US 2021/0356448 A1, Nov. 18, 2021
Int. Cl. G01N 33/00 (2006.01)
CPC G01N 33/0006 (2013.01) [G01N 33/0009 (2013.01)] 20 Claims
OG exemplary drawing
 
7. A system comprising a gas detector and a gas detector calibration cap, wherein the gas detector comprises:
a gas detector housing, comprising:
a front shell, comprising
one or more exhaust openings; and
a groove on an edge of the front shell;
a back shell connected to the front shell, comprising
a first slot on a first side of the back shell;
a second slot on a second side of the back shell; and
one or more sensors disposed within the gas detector housing; and
wherein the gas detector calibration cap comprises:
a cap body, comprising a nozzle disposed on the cap body and an exhaust opening;
a first cap wing connected to the cap body, comprising a first opening and a first overhang extending through the first opening; and
a second cap wing connected to the cap body, comprising:
a second opening;
a second overhang extending through the second opening; and
an extended strip attached to an end of the second cap wing, wherein the extended strip comprises a protrusion for opening the front shell of the gas detector.