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.

Date of Patent:
Oct. 01, 2024

Filed:

Dec. 15, 2020
Applicant:

Tsurumi Manufacturing Co., Ltd., Osaka, JP;

Inventor:

Yoshiaki Okuno, Yawata, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 7/04 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 7/045 (2013.01); F04D 29/2216 (2013.01); F04D 29/2288 (2013.01); F04D 29/24 (2013.01); F04D 29/426 (2013.01); F04D 29/4273 (2013.01);
Abstract

A non-clogging pump () includes: a pump casing (); an impeller () including a main plate portion (), a vane portion (), and a central protruding portion (); and a rotating shaft (), in which an end portion () on an inner peripheral side of the vane portion () is connected to an outer periphery of the central protruding portion () when viewed from the suction port () side, and the impeller () is provided with a groove portion () extending from an inner peripheral side to an outer peripheral side of the impeller (), between the central protruding portion () and the vane portion (), when viewed from the suction port () side.


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