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:
Feb. 22, 2022
Filed:
Jun. 21, 2021
Applicant:
Denso Corporation, Kariya, JP;
Inventors:
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/20 (2006.01); F02D 41/26 (2006.01); F02D 41/40 (2006.01);
U.S. Cl.
CPC ...
F02D 41/20 (2013.01); F02D 41/26 (2013.01); F02D 41/402 (2013.01); F02D 2041/2048 (2013.01);
Abstract
An injection control device includes: an area correction unit that calculates an energization time correction amount by performing area correction of a current flowing through a fuel injection valve when executing a current drive of a fuel injection valve to inject a fuel from the fuel injection valve in a multi-stage injection; and a change unit that changes an upper limit guard value of the energization time correction amount according to an injection time of the multi-stage injection during control of the multi-stage injection.