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:
May. 17, 2022
Filed:
Nov. 15, 2019
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventor:
Taiki Goto, Mishima Shizuoka, JP;
Assignee:
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/04 (2006.01); B41J 2/12 (2006.01); F04B 53/16 (2006.01); F04B 17/00 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
F04B 43/04 (2013.01); B41J 2/14 (2013.01); F04B 17/003 (2013.01); F04B 43/046 (2013.01); F04B 53/16 (2013.01);
Abstract
According to an embodiment, a piezoelectric pump includes a pressure chamber. A groove is provided to a bottom portion of the pressure chamber. The groove includes an inlet and an outlet on a bottom portion of the groove, liquid being caused to flow in the pressure chamber through the inlet and to be discharged from the pressure chamber through the outlet.