The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2015
Filed:
Jul. 29, 2011
Applicants:
Yuuki Sakamoto, Kariya, JP;
Mikiyasu Matsuoka, Kariya, JP;
Yuuzou Matsumoto, Kariya, JP;
Inventors:
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 15/06 (2006.01); F01N 11/00 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F01N 11/00 (2013.01); G01N 15/0656 (2013.01); F01N 13/008 (2013.01); F01N 2550/00 (2013.01); Y02T 10/47 (2013.01);
Abstract
A sensor controller is for a particulate matter detection sensor that includes a pair of opposed electrodes spaced from each other and disposed on an attachment portion. The sensor controller includes a calculation portion configured to calculate an amount of particulate matter attached to the particulate matter detection sensor based on a detection value from the particulate matter detection sensor, and a determination portion configured to determine whether water exists in the exhaust passage based on the detection value. Thus, it is possible to accurately determine whether water exists in the exhaust passage.