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:
Jun. 21, 2022
Filed:
Aug. 14, 2019
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
Kazuki Nishizawa, Tokyo, JP;
Daisuke Sato, Sagamihara, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Abstract
An ECUfor controlling execution of forced regeneration that removes PM deposited on a DPF by increasing a temperature of the DPF in an exhaust gas treatment device of a diesel engine including a DOC disposed in an exhaust passage and the DPF disposed downstream of the DOC includes: a determination unitfor determining whether an injection start condition corresponding to a remaining SOF deposition amount on the DOC is satisfied after the forced regeneration starts and after an upstream temperature of the DOC reaches a predetermined temperature; and an injection execution unitfor starting late-post injection of fuel to the DOC when the injection start condition is satisfied.