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:
Nov. 25, 2014
Filed:
Sep. 16, 2010
Koji Terada, Saitama, JP;
Kenichiro Nakamura, Saitama, JP;
Koji Terada, Saitama, JP;
Kenichiro Nakamura, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A multi-cylinder internal combustion engine includes a one-side crank chamber and an other-side crank chamber formed by partitioning a lower crankcase by a plurality of lower support walls which are provided integrally with the lower crankcase and support a crankshaft. A plurality of oil outflow holes respectively communicate with the one-side crank chamber and the other-side crank chamber through which oil is discharged from the one-side crank chamber and the other-side crank chamber. An oil discharge port is provided along a lower support wall of the one-side crank chamber and the other-side crank chamber. A suction port of a scavenging pump for discharging the oil present in the one-side crank chamber and the other-side crank chamber is provided in an outer wall in the manner of straddling the lower support wall.