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:
Sep. 30, 2025

Filed:

Oct. 28, 2024
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Yuki Suzuki, Kariya, JP;

Mina Tachibana, Toyota, JP;

Tomihisa Tsuchiya, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 19/02 (2006.01); F02D 41/40 (2006.01);
U.S. Cl.
CPC ...
F02D 19/024 (2013.01); F02D 41/401 (2013.01);
Abstract

A fuel supply device for an internal combustion engine includes a tank that stores gas fuel, a fuel injection valve that supplies gas fuel to a cylinder, a fuel pipe that supplies gas fuel in the tank to the fuel injection valve, a pressure reducing valve provided downstream of the tank in the fuel pipe, a second shut-off valve as an electromagnetic valve that is provided downstream of the pressure reducing valve in the fuel pipe so as to open and close the fuel pipe, and a controller. A pressure reduced by the pressure reducing valve is defined as an outlet-side pressure. The pressure reducing valve includes a valve member that opens and closes in accordance with an increase and a decrease in the outlet-side pressure. The controller executes a valve closing process of closing the second shut-off valve when a stop condition for stopping fuel injection of the fuel injection valve is met.


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