Gas separation: apparatus – Gas and liquid contact apparatus for gas separation...
Reexamination Certificate
2011-08-30
2011-08-30
Smith, Duane (Department: 1776)
Gas separation: apparatus
Gas and liquid contact apparatus for gas separation...
C096S244000, C096S262000, C096S265000, C096S297000
Reexamination Certificate
active
08007575
ABSTRACT:
An air filtering apparatus for electrolyzing water to generate electrolytic water containing active oxygen species and filtering air by using the electrolytic water, including an air filtering unit having a gas-liquid contact member to which the electrolytic water containing the active oxygen species is circulatively supplied so as to be brought into contact with air, an electrical conductivity detecting unit for detecting the electrical conductivity of water in the air filtering unit, and a water exchange judging unit for judging on the basis of the detected electrical conductivity whether water exchange is necessary or not.
REFERENCES:
patent: 4255361 (1981-03-01), Goettl
patent: 2001/0004962 (2001-06-01), Hirota et al.
patent: 2005/0072308 (2005-04-01), Aoyagi
patent: 1496314 (2005-01-01), None
patent: 2000-296173 (2000-10-01), None
patent: 2002-181358 (2002-06-01), None
patent: 2002-295871 (2002-10-01), None
Japanese Office Action issued Feb. 10, 2011 for related Japanese Application No. 2006-261303.
Palmer Tiffany N
Sanyo Electric Co,. Ltd.
Smith Duane
Westerman Hattori Daniels & Adrian LLP
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