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:
Dec. 05, 2017

Filed:

Sep. 04, 2013
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Toshio Nishimura, Anjo, JP;

Takayoshi Honda, Nagoya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/20 (2006.01); F02D 41/30 (2006.01);
U.S. Cl.
CPC ...
F02D 41/30 (2013.01); F02D 41/20 (2013.01); F02D 2041/2027 (2013.01); F02D 2041/2044 (2013.01); F02D 2041/2051 (2013.01); F02D 2041/2058 (2013.01); F02D 2041/2072 (2013.01);
Abstract

A fuel injection controller has terminals which can be connected to the coil of the fuel injector. A first valve-open control portion supplies the valve-opening voltage to the terminals for opening the fuel injector. The first valve-open control portion stops supplying the electric supply to the coil before the fuel injector is positioned at a full-open position. Before the fuel injector is fully closed, a small injection quantity can be obtained. A demagnetization portion forms a demagnetization circuit for demagnetizing the magnetism remaining in the coil. A normal-injection portion controls the fuel injector at full-open position.


Find Patent Forward Citations

Loading…