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. 10, 2022
Filed:
Aug. 31, 2020
Dukshin Corp., Ltd., Incheon, KR;
Kyung Suh Park, Suwon-si, KR;
DUKSHIN CORP., LTD., Incheon, KR;
Abstract
An automatic fluid pump includes a pump body having a liquid channel and a mounting channel, the liquid channel having an inlet and an outlet and connected to a suction pipe and a delivery hose, respectively. A motor fan is disposed at a lower end of the suction pipe. A power controller is coupled to the pump body and circuit-connected to a battery, a terminal plate, and a switch. A valve case is coupled to the mounting channel in the form of a hopper formed at a lower end thereof with an inclined portion having an air hole. A valve case cap is coupled to the valve case. A main check valve is disposed on a lower surface of the valve case cap to open/close the through-holes. An auxiliary check valve is vertically moved up and down between the mounting channel and the air hole to open/close the air hole.