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:
Apr. 02, 2024
Filed:
Jun. 25, 2021
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Toshihiko Tokeshi, Kyoto, JP;
Takahiro Imanishi, Kyoto, JP;
Yoshihisa Kitamura, Kyoto, JP;
Takehito Tamaoka, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 1/24 (2006.01); F04B 1/02 (2006.01); F04B 9/02 (2006.01); F04B 23/02 (2006.01); F15B 1/04 (2006.01);
U.S. Cl.
CPC ...
F15B 1/24 (2013.01); F04B 1/02 (2013.01); F04B 9/02 (2013.01); F04B 23/02 (2013.01); F15B 1/04 (2013.01); F15B 2201/21 (2013.01); F15B 2201/31 (2013.01);
Abstract
A liquid feeder includes a pump which is prevented from idling, and a replenisher including a cylinder that is a bottomed tube including an opening on a side adjacent to a communication flow path, the opening being connected to the communication flow path, and that is capable of accommodating a liquid in at least a portion of the cylinder, a seal that is housed in the cylinder in a movable manner along the cylinder, and seals the liquid in the cylinder, and a pressurizer to pressurize the seal toward a pump chamber.