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:
Apr. 08, 2025
Filed:
Oct. 18, 2022
Isuzu Motors Limited, Yokohama, JP;
Nikki Co., Ltd., Kanagawa, JP;
Shinichiro Kaneko, Fujisawa, JP;
Misao Tanaka, Yokohama, JP;
Koji Goto, Fujisawa, JP;
Buso Takigawa, Kanagawa, JP;
Ryota Adachi, Kanagawa, JP;
Isuzu Motors Limited, Yokohama, JP;
Nikki Co., Ltd., Kanagawa, JP;
Abstract
Provided are an engine control device and a vehicle with which the methane number of LNG fuel can be estimated. The engine control device is capable of using liquefied natural gas as fuel, and is provided with an acquisition unit that acquires an ignition retard control amount for avoiding engine knocking, and an estimating unit that estimates the methane number of the liquefied natural gas on the basis of an index value indicating the acquired ignition retard control amount.