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. 03, 2021
Filed:
Jun. 24, 2019
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventors:
Yoichi Nakashima, Toyota, JP;
Motoaki Kamimura, Toyota, JP;
Atsushi Muto, Toyota, JP;
Takafumi Inagaki, Kasugai, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 35/00 (2006.01); F02D 41/02 (2006.01); F02D 41/06 (2006.01);
U.S. Cl.
CPC ...
F02D 35/00 (2013.01); F02D 41/0215 (2013.01); F02D 41/06 (2013.01); F02D 2200/101 (2013.01); F02D 2200/50 (2013.01); F02D 2200/503 (2013.01); F02D 2400/12 (2013.01);
Abstract
A control device of a vehicle includes between an engine and an automatic transmission a fluid transmission device transmitting power from a pump impeller coupled to the engine via a fluid to a turbine impeller coupled to the automatic transmission. The control device determines occurrence of a lost-drive state of the fluid transmission device based on an increase amount of a rotation speed of the engine after a predetermined time during start of the engine.