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. 17, 2018
Filed:
Jul. 29, 2014
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
NISSAN MOTOR CO., LTD., Yokohama-shi, JP;
Abstract
When the compression ratio of a variable compression ratio internal combustion engine () is set at a low compression ratio, a lubricating oil ejected from a lower link oil passage () is reflected by an upper link () at the piston top dead center, and supplied to a cylinder inside wall surface on the side on which a control link () is located in a view as viewed in the axial direction of the crank shaft. When the compression ratio of the variable compression ratio internal combustion engine () is set at a high compression ratio, the lubricating oil ejected from lower link oil passage () is reflected by upper link () at the piston top dead center, and supplied to the back side of the piston crown.