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:
Jul. 30, 2019
Filed:
Jun. 11, 2015
Applicant:
Isuzu Motors Limited, Tokyo, JP;
Inventors:
Assignee:
ISUZU MOTORS LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F01N 3/023 (2006.01); G01N 27/22 (2006.01); F01N 3/027 (2006.01); G01N 15/06 (2006.01); G01N 27/60 (2006.01); B01D 46/42 (2006.01); B01D 46/00 (2006.01); B01D 46/24 (2006.01); G01N 1/22 (2006.01);
U.S. Cl.
CPC ...
F01N 11/007 (2013.01); F01N 3/023 (2013.01); F01N 3/027 (2013.01); G01N 15/0618 (2013.01); G01N 15/0656 (2013.01); G01N 27/22 (2013.01); G01N 27/60 (2013.01); B01D 46/0063 (2013.01); B01D 46/2403 (2013.01); B01D 46/42 (2013.01); B01D 2279/30 (2013.01); F01N 2550/04 (2013.01); F01N 2560/05 (2013.01); F01N 2560/20 (2013.01); G01N 1/2205 (2013.01); G01N 27/221 (2013.01);
Abstract
The PM sensor includes: a filter member having a plurality of measuring cells which are defined by a porous partition wall and configured to trap particulate matter in exhaust gas; at least a pair of electrode members which are disposed to face each other with the measuring cell sandwiched therebetween to form a condenser; a heater member which heats the measuring cell to burn and remove particulate matter accumulated in the measuring cell; and an estimation unit which estimates an amount of the particulate matter contained in the exhaust gas based on an electrostatic capacity between the pair of electrode members.