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.

Date of Patent:
Jun. 16, 2020

Filed:

Apr. 07, 2017
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Nobuyuki Satake, Kariya, JP;

Eiji Murase, Nagoya, JP;

Tomohiro Nakano, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/40 (2006.01); F02D 41/20 (2006.01); F02D 41/24 (2006.01); F02M 51/06 (2006.01);
U.S. Cl.
CPC ...
F02D 41/401 (2013.01); F02D 41/20 (2013.01); F02D 41/247 (2013.01); F02M 51/0614 (2013.01); F02D 2041/2051 (2013.01); F02D 2041/2055 (2013.01); F02D 2041/2058 (2013.01); F02D 2200/063 (2013.01); F02D 2200/0614 (2013.01); F02M 51/0685 (2013.01); Y02T 10/44 (2013.01);
Abstract

A fuel injection control device includes a valve closing detection unit to detect a valve closing timing by using either of an electromotive force quantity detection mode and an timing detection mode and a selection unit to select either of the electromotive force quantity detection mode and the timing detection mode for detecting the valve closing timing, and the selection unit: selects the timing detection mode when a requested injection quantity is larger than a prescribed reference injection quantity in partial lift injection; and selects the electromotive force quantity detection mode when the requested injection quantity is smaller than the reference injection quantity.


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