Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTROCHEMICAL GAS SENSOR FOR DETECTING HYDROGEN CYANIDE GAS
Document Type and Number:
WIPO Patent Application WO/2018/010081
Kind Code:
A1
Abstract:
An electrochemical hydrogen cyanide sensor (1) comprises a housing (10) comprising an opening (2) allowing gas to enter the sensor (1); an electrolyte disposed within the housing (10); a plurality of electrodes in contact with the electrolyte within the housing (10), wherein the plurality of electrodes comprise a working electrode (5) and a counter electrode (7), and wherein the electrodes comprise a metal catalytic material; and a filter (3) operable to cover the opening (2) of the housing (10), and prevent hydrogen sulfide from reaching the electrodes, wherein the filter (3) comprises silver sulfate layered onto a polytetrafluoroethylene support material.

Inventors:
WEI NA (US)
YU YUZHONG (US)
LIU LING (US)
Application Number:
PCT/CN2016/089737
Publication Date:
January 18, 2018
Filing Date:
July 12, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HONEYWELL INT INC (US)
WEI NA (US)
YU YUZHONG (US)
LIU LING (US)
International Classes:
G01N27/30
Foreign References:
CN103336041A2013-10-02
CN104865251A2015-08-26
GB2369891B2003-04-16
US4639306A1987-01-27
US5944969A1999-08-31
US4521290A1985-06-04
US4141800A1979-02-27
US4227974A1980-10-14
GB2369891A2002-06-12
US6284545B12001-09-04
US5944969A1999-08-31
US5879527A1999-03-09
Other References:
See also references of EP 3485263A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
Download PDF: