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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.:

US 11434919 B1

PDFFull Text
Date of Patent:
Sep. 06, 2022

Filed:

Mar. 01, 2021

Water pump

Applicant:

Yamada Manufacturing Co., Ltd., Kiryu, JP;

Inventors:

Takashi Yamazaki, Kiryu, JP;

Ichiro Takayama, Kiryu, JP;

Tomokazu Sato, Kiryu, JP;

Assignee:

YAMADA MANUFACTURING CO., LTD., Kiryu, JP;

Attorney:

Rankin, Hill & Clark LLP

Primary Examiner:

Richard A Edgar

Assistant Examiner:

Jason G Davis

Int. Cl.
CPC ...
F04D 29/046 (2006.01); F04D 13/02 (2006.01); F04D 29/043 (2006.01); F04D 29/08 (2006.01);
U.S. Cl.
CPC ...
F04D 29/046 (2013.01); F04D 13/02 (2013.01); F04D 29/043 (2013.01); F04D 29/086 (2013.01);
Abstract

A water pump includes a support portion provided with a bearing hole, and a pulley which is provided at one end of a rotation shaft and which is formed in a cylindrical shape with a bottom. The support portion includes an annular small-diameter portion provided with the bearing hole at the center, and an annular large-diameter portion. At least a part of the small-diameter portion is located at the pulley side relative to the large-diameter portion. An annular first clearance is formed between the cylindrical portion of the pulley and the large-diameter portion. A second cylindrical portion is provided on the bottom portion of the pulley. An annular second clearance is formed between the second cylindrical portion and the small-diameter portion.

Find Patent Forward Citations

Yamazaki, Takashi. (2022). Water pump (U.S. Patent No. 11434919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11434919

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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