Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Reexamination Certificate
2007-04-27
2009-11-17
Warden, Jill (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
C422S063000, C422S091000, C073S001730, C073S447000, C073S747000
Reexamination Certificate
active
07618593
ABSTRACT:
On an upper surface of a container body, there are disposed at least a base portion of a concentration meter configured to detect the concentration of a liquid reducing agent based on a heat transmission characteristic between two spaced points, and a heat exchanger configured to permit the engine coolant to circulate therein and arranged to surround a detecting section of the concentration meter, which hangs from the base portion of the concentration meter via a supporting column thereof, to thereby perform the heat exchange with the liquid reducing agent, and also, a protector or an encasing element of substantially box shape is arranged to surround a lower portion of the heat exchanger and the detecting section of the concentration meter, and further, a visor is attached on the supporting column of the concentration meter, which is positioned above the protector by a predetermined interval.
REFERENCES:
patent: 2007/0075467 (2007-04-01), Osaku et al.
patent: 05-222923 (1993-08-01), None
patent: 2000-27627 (2000-01-01), None
patent: 2002-527660 (2002-08-01), None
patent: 2003-529011 (2003-09-01), None
patent: 2004-257325 (2004-09-01), None
patent: WO 03/018177 (2003-03-01), None
Inoue Shin'ichi
Matsunaga Hideki
Nakamura Toshimi
Nishina Mitsuhiro
Baker & Hostetler LLP
Gerido Dwan A
Mitsui Mining & Smelting Co. Ltd.
Nissan Diesel Motor Co., Ltd.
Warden Jill
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