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:
Jan. 12, 2021
Filed:
Feb. 28, 2017
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Kanagawa, JP;
Abstract
The present invention includes: a turbine wheelthat is attached to a rotating shaftand that has a plurality of turbine blades in the circumferential direction; scroll passagesAa,Ab that are formed in a spiral shape on the outside of the turbine wheel, and that are formed by being divided into a plurality of sections in the circumferential direction, the passages communicating with each other at the position of the turbine wheeldisposed between respective tongue sectionsAc,Ad; and threadsthat are provided on an back facing surfacedisposed so as to oppose the back surface of the turbine wheel, the back surface being on the axially opposite side from the turbine blade side, and the linear parts extending from starting pointsnear the tongue sectionsAc,Ad toward the rotating shaftside so as to control the passage of fluid between the back surface and the back facing surface