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:
Nov. 12, 2024
Filed:
Jul. 16, 2021
Tbk Co., Ltd., Tokyo, JP;
Jea woong Seok, Tokyo, JP;
TBK Co., Ltd., Tokyo, JP;
Abstract
An impeller () of a fluid pump according to the present invention comprises: an impeller body () having a first shroud () and a plurality of vanes () provided on the first shroud (); and a second shroud () bonded to the impeller body () and arranged opposed to the first shroud () in a central axis direction across the plurality of vanes (). The first shroud () has a boss part () protruding in the central axis direction. The second shroud () has a central hole () through which the boss part () is inserted in the central axis direction. By a combination of a recessed first groove part () formed on an outer circumferential surface of the boss part () and a recessed second groove part () formed on an inner circumferential surface of the central hole (), a balance hole (B) penetrating in the central axis direction is constituted.