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:
Mar. 07, 2023
Filed:
Nov. 09, 2021
Yamabiko Corporation, Tokyo, JP;
Hisato Onodera, Tokyo, JP;
Ken Shirai, Tokyo, JP;
Koichirou Ogura, Tokyo, JP;
Tetsuya Isogai, Tokyo, JP;
YAMABIKO CORPORATION, Tokyo, JP;
Abstract
Among multiple scavenging passagesincluded in a cylinder, a scavenging passage connected to at least one scavenging portconstitutes a variable scavenging passage(). An upper end portion of the variable scavenging passage() has a guide surfacedefining a discharge direction of a scavenging gas discharged from a variable scavenging port() connected thereto on a horizontal plane. The guide surfaceincludes at least a first guide portion(H) defining a first discharge direction of the scavenging gas and a second guide portion(L) defining a second discharge direction of the scavenging gas. The discharge direction of the scavenging gas is changed from the first discharge direction to the second discharge direction on the horizontal plane by the first and second guide portions(H) and(L) in the scavenging stroke.