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:
Sep. 13, 2022
Filed:
May. 29, 2019
Ebara Corporation, Tokyo, JP;
EBARA CORPORATION, Tokyo, JP;
Abstract
The present invention relates to a reinforcing structure for a casing accommodating an impeller. A double-suction centrifugal pump includes: a rotational shaft (); an impeller () secured to the rotational shaft (); a casing () that accommodates the impeller () therein; and legs () secured to the casing (). The casing () includes a suction volute () that communicates with a suction port (), the casing () includes an upper casing () and a lower casing () fastened to each other, at least one rib (A,B,C) is provided on each of both side surfaces of the lower casing () constituting the suction volute (), the rib (A,B,C) extends in a radial direction of the rotational shaft () when viewed from an axial direction of the rotational shaft (), and the rib (A,B,C) is separated from the legs ().