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:
Aug. 02, 2022
Filed:
Feb. 21, 2020
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Abstract
A refueling control system for an internal combustion engine includes a fuel tank; a vapor pipe; a step motor-driven shut-off valve; a fuel filler lid; and an electronic control unit configured to, when the fuel filler lid is to be opened, i) drive the shut-off valve such that the shut-off valve is opened, ii) close the fuel filler lid when an opening degree of the shut-off valve is less than a set opening degree, and iii) open the fuel filler lid when the opening degree of the shut-off valve is greater than or equal to the set opening degree. The electronic control unit sets the set opening degree such that the set opening degree when an opening speed of the shut-off valve is low is greater than the set opening degree when the opening speed of the shut-off valve is high.