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:
Feb. 21, 2023
Filed:
Apr. 05, 2021
Ihi Corporation, Tokyo, JP;
Takao Asakawa, Tokyo, JP;
Other;
Abstract
A variable geometry mechanism include an annular nozzle ring, a drive ring rotatable about a central axis of the nozzle ring, wherein the drive ring includes, a plurality of attachment portions formed on a surface of the drive ring and a self-stopper projecting from the surface of the drive ring on which the attachment portions are formed, wherein the self-stopper is located radially inward from the attachment portions so as to be closer to the central axis of the nozzle ring, a plurality of nozzle vanes rotatably coupled to the nozzle ring and a plurality of nozzle link plates extending from the nozzle ring to the drive ring, wherein the self-stopper is configured to regulate a moving range of at least one of the nozzle link plates during the rotation of the drive ring.