Measuring and testing – Gas analysis – Solid content of gas
Reexamination Certificate
2005-12-06
2005-12-06
Cygan, Michael (Department: 2855)
Measuring and testing
Gas analysis
Solid content of gas
C073S028020
Reexamination Certificate
active
06971258
ABSTRACT:
A sensor for detecting particulate matter in an exhaust stream of an engine. The sensor may be a spark-plug-like device having an extended center electrode composed of a stainless steel or other material. The electrode may have a thin passivating layer formed on it. The layer may be grown or deposited on the electrode within the exhaust system. The sensor may detect charge transients indicative of particulate concentration in the exhaust stream. Information about particulate matter in the exhaust system along with other engine information may be processed for controlling or adjusting parameters of the engine to affect the particulate matter in the exhaust system.
REFERENCES:
patent: 4307061 (1981-12-01), Sarholz
patent: 4485794 (1984-12-01), Kimberley et al.
patent: 5076237 (1991-12-01), Hartman et al.
patent: 5180983 (1993-01-01), Murata et al.
patent: 5681986 (1997-10-01), Merk et al.
patent: 5898257 (1999-04-01), Sequerra et al.
patent: 6192740 (2001-02-01), Fredrick et al.
patent: 6341501 (2002-01-01), Sugimoto et al.
patent: 6466022 (2002-10-01), Koopmans
patent: 6512375 (2003-01-01), Yamada et al.
patent: 6583539 (2003-06-01), Zamora
patent: 6634210 (2003-10-01), Bosch et al.
patent: 2003/0234012 (2003-12-01), Bosteels
patent: 19536705 (1997-04-01), None
patent: 19853841 (1999-06-01), None
patent: 10128869 (2002-01-01), None
patent: 0353196 (1990-01-01), None
patent: 60039543 (1985-03-01), None
patent: 60123761 (1985-07-01), None
Abstract for JP 60100046 A to Maeda, Shoji.
Kittelson David B.
Krafthefer Brian C.
Ma Hongbin
Rhodes Michael L.
Cygan Michael
Fredrick Kris
Honeywell International , Inc.
LandOfFree
Particulate matter sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Particulate matter sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Particulate matter sensor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3519702