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:
Mar. 05, 2019
Filed:
May. 24, 2016
Yanmar Co., Ltd., Osaka-shi, Osaka-fu, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
An engine device including an intake manifold () configured to supply air into a cylinder (), a gas injector () configured to mix fuel gas with air supplied from the intake manifold (), and supply mixed gas to the cylinder (), and an igniter () configured to ignite, in the cylinder () premixed fuel obtained by pre-mixing the fuel gas with the air, the engine device further including a controlling unit () configured to determine an air amount in the premixed fuel in the cylinder (). The controlling unit () performs in multiple steps retard control of ignition timing by the igniter (), when the air amount is insufficient, and performs in multiple steps advance control of the ignition timing, when the air amount is sufficient.