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. 25, 2026
Filed:
Dec. 02, 2022
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
Katsuya Sato, Tokyo, JP;
Daiki Kitagawa, Tokyo, JP;
Shoeji Nakaye, Tokyo, JP;
Yukihide Nagayo, Tokyo, JP;
Nobuhito Oka, Sagamihara, JP;
Youji Akiyama, Sagamihara, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Abstract
Turbine housing for accommodating at least a portion of a turbine wheel comprises: a first scroll flow path for supplying a working gas to the turbine wheel; and a first tongue portion that includes, in a cross section along the axial direction of the turbine wheel, inner end edges between the front edges of turbine wheel impellers and facing each other across a clearance in the radial direction of the turbine wheel. The inner end edges each include one or more inclined portions that incline relative to the axial direction. The inner end edge is configured to satisfy B≥0.2A, A being the size of the area in the axial direction where the front edge is provided, and B being the total of sizes of the areas in the axial direction where the one or more inclined portions are respectively provided.