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.

Date of Patent:
Apr. 22, 2014

Filed:

Feb. 22, 2012
Applicants:

Shohei Kono, Wako, JP;

Kotaro Sugi, Wako, JP;

Inventors:

Shohei Kono, Wako, JP;

Kotaro Sugi, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 3/14 (2006.01); F01M 1/06 (2006.01); F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F16C 3/14 (2013.01);
Abstract

A multi-link, adjustable-stroke type engine includes: a timing gear provided on and concentrically with a crankshaft; an eccentric gear provided on an eccentric shaft and meshing with the timing gear so that rotation of the timing gear is transmitted to the eccentric gear; a lubricating oil passage provided in a cylinder barrel for supplying lubricating oil to lower shaft end portions of the crankshaft and eccentric shaft; and an ejection section provided in the lubricating oil passage for ejecting lubricating oil toward a meshing engagement section between the timing gear and the eccentric gear.


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