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:
Aug. 03, 2010
Filed:
Jun. 01, 2007
Hideaki Takada, Wako, JP;
Yutaka Kubota, Wako, JP;
Tatsuya Kuroda, Wako, JP;
Kazutake Koyama, Wako, JP;
Hideaki Takada, Wako, JP;
Yutaka Kubota, Wako, JP;
Tatsuya Kuroda, Wako, JP;
Kazutake Koyama, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A vertical internal combustion engine E has a crankshaftenclosed in a crank chamber, a belt-drive transmission mechanismheld in a belt chamberand including a rubber beltfor transmitting power of the crankshaftto a camshaftin a valve train, and a transmission casedefining the belt chamber. The belt chambercommunicates with the crank chamberby way of vent holesand, the transmission caseis provided with an internal wall Wdisposed between the vent holesandand the beltin the belt chamberto deflect the flow of an oil-containing gas flowing from the crank chamberinto the belt chambersuch that the oil-containing gas flows in directions deviating from a direction toward the belt. The beltis lubricated with oil in the oil-containing gas. The beltis prevented from being excessively exposed to the oil-containing gas from the crank chamberto extend its life.