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:
Jan. 16, 2024
Filed:
Mar. 12, 2021
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Yoshiya Yamashita, Toyota, JP;
Tetsu Yamada, Nagoya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
A vehicle state monitoring device includes a storage device configured to store information relating to a vehicle traveling under power from an engine; a determining device configured to determine a state of the vehicle using the information stored in the storage device; and a storage control device. The storage control device is configured to, each time the vehicle travels a predetermined distance, store a frequency relation as the information in the storage device. The frequency relation is a relation between revolutions of the engine, a fuel-related parameter that is a load factor or a fuel injection rate of the engine, and a running frequency of the engine at the revolutions and the fuel-related parameter while the vehicle travels the predetermined distance.