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:
Sep. 03, 2019
Filed:
Dec. 19, 2017
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventors:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/004 (2013.01); F02D 41/003 (2013.01); F02M 25/089 (2013.01); F02M 25/0836 (2013.01); F02M 25/0854 (2013.01); F02D 2200/0602 (2013.01);
Abstract
A fuel tank system includes a fuel tank, a canister, a first path, a pump, a switching device, a reference path, a first on-off valve, a second on-off valve, a third on-off valve, a pressure sensor, and a control device configured to control the pump, the switching device, the first on-off valve, the second on-off valve, and the third on-off valve and determine a system state based on a pressure measured by the pressure sensor.