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:
Nov. 15, 2022
Filed:
Sep. 04, 2019
Applicant:
Isuzu Motors Limited, Tokyo, JP;
Inventors:
Naoto Murasawa, Fujisawa, JP;
Akio Nishikata, Fujisawa, JP;
Masahiro Kajiyama, Fujisawa, JP;
Takayuki Mukunashi, Fujisawa, JP;
Assignee:
Isuzu Motors Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/035 (2006.01); F01N 9/00 (2006.01); F02D 41/02 (2006.01); F02D 41/40 (2006.01); F01N 3/021 (2006.01); F01N 3/10 (2006.01); F01N 3/025 (2006.01); F01N 3/08 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F01N 3/035 (2013.01); F01N 3/021 (2013.01); F01N 3/025 (2013.01); F01N 3/103 (2013.01); F01N 3/106 (2013.01); F01N 9/002 (2013.01); F02D 41/029 (2013.01); F02D 41/402 (2013.01); F02D 41/403 (2013.01); F02D 41/405 (2013.01); F01N 3/0835 (2013.01); F01N 2430/06 (2013.01); F02D 41/1439 (2013.01);
Abstract
Provided are an exhaust purification device and an exhaust purification method which can achieve improved fuel efficiency. The exhaust purification device () is equipped with: a DOC () for occluding hydrocarbons in an exhaust gas; a DPF () that is provided downstream from the DOC () and is for trapping particulate matter in the exhaust gas; and an ECU () for determining, in accordance with the amount of occluded hydrocarbons in the DOC (), a start time for a regeneration process for removing particulate matter accumulated in the DPF ().