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:
Jul. 01, 2025

Filed:

Apr. 13, 2023
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Naoto Onoda, Sunto-gun, JP;

Takahiro Shiina, Numazu, JP;

Hideaki Komada, Numazu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 11/00 (2006.01); F04C 2/10 (2006.01);
U.S. Cl.
CPC ...
F04C 11/001 (2013.01); F04C 2/10 (2013.01); F04C 2210/206 (2013.01); F04C 2240/40 (2013.01); F04C 2270/051 (2013.01);
Abstract

A pump device, that supplies a liquid reserved in a reservoir to a first liquid supply destination and a second liquid supply destination, includes: a first pump whose suction port and discharge port are not switched between at forward rotation and at reverse rotation; a second pump whose suction port and discharge port are switched each other between at forward rotation and at reverse rotation; a power source that optionally switches a rotation direction of the power source; a shaft member that is rotated by a driving force from the power source; and a control device that controls at least a rotation direction of the power source. Further, the first pump and the second pump are provided on the shaft member, the first pump is connected to the first liquid supply destination, and the second pump is connected to the second liquid supply destination.


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