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. 15, 2026
Filed:
Sep. 26, 2022
Hitachi, Ltd., Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
A hydrogen mixed-combustion electronic control device that controls the mixed ratio of hydrogen mixedly combusted in a combustion room of a hydrogen mixed-combustion engine having a first fuel supply device that supplies first fuel to the engine and a second fuel supply device that supplies fuel partially containing hydrogen to the engine as second fuel comprises: a crank angle sensor that detects a rotation time of a crank shaft of the engine; and a computation unit that computes an extreme value of the rotation time of the crank shaft and an extreme value timing on the basis of a detection result of the crank angle sensor. The electronic control device determines a combustion state of the engine on the basis of the extreme value and the extreme value timing.