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:
May. 21, 2024
Filed:
Sep. 07, 2020
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Abstract
A compressor housing includes: when an intake side in an axial direction of the centrifugal compressor is defined as a front side, and a side opposite to the intake side in the axial direction is defined as a rear side, a shroud surface including a surface facing a tip of an impeller blade of the impeller with a predetermined gap; a front-side inner peripheral surface formed on the front side of the shroud surface in the axial direction and positioned on an outer side in a radial direction than a front end of the shroud surface; and plurality of grooves formed in the front-side inner peripheral surface at intervals in a circumferential direction wherein each of the plurality of grooves includes: an inclined portion whose depth gradually increases toward a rotation direction of the impeller; and a stepped portion formed at a downstream end of the inclined portion in the rotation direction.