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. 03, 2023
Filed:
Jul. 13, 2021
Applicant:
Kabushiki Kaisha Toyota Jidoshokki, Aichi-ken, JP;
Inventors:
Ryo Umeyama, Aichi-ken, JP;
Yoshiyuki Nakane, Aichi-ken, JP;
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/043 (2006.01); F04D 17/10 (2006.01); F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); F04D 17/10 (2013.01); F04D 29/043 (2013.01); F04D 29/30 (2013.01);
Abstract
A centrifugal compressor comprises an impeller including a hub and a plurality of blades. The hub is provided with a through hole. The hub has an external radial surface having an inner external radial surface and an outer external radial surface. The outer external radial surface is formed closer to a back surface than an imaginary curved surface having as a radius a radius of curvature of the inner external radial surface at a radially outer edge thereof.