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:
Dec. 21, 2021
Filed:
Nov. 08, 2010
Ryou Ono, Saitama, JP;
Takashi Ohniwa, Tokyo, JP;
Ryou Ono, Saitama, JP;
Takashi Ohniwa, Tokyo, JP;
Husqvarna Zenoah Co., Ltd., Saitama, JP;
Abstract
An air supply device () of a stratified scavenging two-cycle engine includes: a mixture passage () that penetrates a carburetor () and an insulator (), the mixture passage being provided by a carburetor-side mixture passage () and an insulator-side mixture passage (); a air passage () that is provided by a carburetor-side air passage () and an insulator-side air passage (); a throttle valve () provided in a single bore () of the carburetor (), the throttle valve() being provided by a butterfly valve that rotates in conjunction with a throttle operation; and a flow rate regulator () provided inside the air passage (), the flow-rate regulator () bulging inward in the air passage (). At least a part of a periphery of a valve body () of the throttle valve is close to the flow-rate regulator () until the valve body () is rotated from an initial position corresponding to an idling speed at a predetermined rotation angle.