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:
Jul. 12, 2021
Filed:
Dec. 01, 2019
Applicants:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Inventors:
Assignees:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
AISAN KOGYO KABUSHIKI KAISHA, Obu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2005.12); F02D 41/00 (2005.12);
U.S. Cl.
CPC ...
F02M 25/0872 (2012.12); F02D 41/003 (2012.12); F02D 41/004 (2012.12); F02D 2200/0602 (2012.12); F02D 2250/16 (2012.12); F02M 25/0854 (2012.12);
Abstract
An evaporated fuel processing apparatus is provided with an initializer configured to increase a step number with which a stepping motor is rotated in a valve closing direction, when there is an initialization request for the blocking valve and tank pressure of the fuel tank is in a predetermined pressure range near atmospheric pressure, in comparison with when the tank pressure is out of the predetermined pressure range.