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:
Feb. 20, 2024
Filed:
Nov. 28, 2022
Applicant:
Coavis, Sejong-si, KR;
Inventors:
Assignee:
COAVIS, Sejong-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/16 (2006.01); F04C 15/06 (2006.01);
U.S. Cl.
CPC ...
F04C 2/16 (2013.01); F04C 15/06 (2013.01); F04C 2210/208 (2013.01); F04C 2240/30 (2013.01);
Abstract
Provided is a water pump having improved efficiency by simplifying its structure, the water pump including: an outer housing having a shape of a container, and including an inlet part positioned at a lower end, and an outlet part positioned at a side of an upper end; an inner housing having a shape of a container, including a communication hole positioned at an upper end and communicating the inside and outside with each other, and inserted into the outer housing; a thrust key coupled to the inside of the outer housing; and a first screw and a second screw, inserted into the inner housing, having lower ends supported by the thrust key, and engaged with each other to be rotated together.