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:
Dec. 24, 2024
Filed:
May. 19, 2021
Applicant:
Fujikoki Corporation, Tokyo, JP;
Inventors:
Katsushi Sato, Tokyo, JP;
Yoshiki Watanabe, Tokyo, JP;
Assignee:
FUJIKOKI CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/22 (2006.01); F04D 7/04 (2006.01); F04D 13/06 (2006.01); F04D 29/24 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/2277 (2013.01); F04D 7/045 (2013.01); F04D 13/06 (2013.01); F04D 29/242 (2013.01); F04D 29/426 (2013.01); F04D 29/628 (2013.01); F04D 29/669 (2013.01);
Abstract
To provide a drainage pump capable of reducing the amount of drain water remaining in a drain pan. A drainage pump includes a housing, an impeller housed in the housing, and a motor with a drive shaft connected to the impeller. The housing includes a suction pipe in a cylindrical shape extending in an up-and-down direction. A suction port facing downward and a concave surface in an annular shape around the suction port are disposed at a lower end of the suction pipe.