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)
YU YUZHONG (US)
LIU LING (US)
Application Number:
PCT/CN2016/089737
Publication Date:
January 18, 2018
Filing Date:
July 12, 2016
Export Citation:
Assignee:
HONEYWELL INT INC (US)
WEI NA (US)
YU YUZHONG (US)
LIU LING (US)
WEI NA (US)
YU YUZHONG (US)
LIU LING (US)
International Classes:
G01N27/30
Foreign References:
CN103336041A | 2013-10-02 | |||
CN104865251A | 2015-08-26 | |||
GB2369891B | 2003-04-16 | |||
US4639306A | 1987-01-27 | |||
US5944969A | 1999-08-31 | |||
US4521290A | 1985-06-04 | |||
US4141800A | 1979-02-27 | |||
US4227974A | 1980-10-14 | |||
GB2369891A | 2002-06-12 | |||
US6284545B1 | 2001-09-04 | |||
US5944969A | 1999-08-31 | |||
US5879527A | 1999-03-09 |
Other References:
See also references of EP 3485263A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
Download PDF: