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. 15, 2019
Filed:
Dec. 12, 2013
Yanmar Co., Ltd., Osaka-shi, Osaka, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
An internal combustion engine, which can improve an annual energy consumption efficiency, is provided. A gas engineincludes: an oil coolerhaving a passage via which heat is exchanged between engine cooling water and lubricating oil; and a control unitconfigured to control a temperature of the engine cooling water to a constant temperature so as to cool the lubricating oil during high load operation and to heat the lubricating oil during low to medium load operation. The control unitincreases the temperature of the engine cooling water during low to medium load operation compared with the temperature of the engine cooling water during high load operation. An oil jet, which is configured to inject the lubricating oil into a rear surface of a piston, is provided.