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. 19, 2022
Filed:
Dec. 09, 2019
Applicant:
Sugino Machine Limited, Uozu, JP;
Inventor:
Toyohiro Yamauchi, Uozu, JP;
Assignee:
SUGINO MACHINE LIMITED, Uozu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/10 (2006.01); F04B 49/02 (2006.01); A47L 15/42 (2006.01); A47L 15/00 (2006.01); F04B 17/00 (2006.01);
U.S. Cl.
CPC ...
F04B 49/103 (2013.01); A47L 15/0049 (2013.01); A47L 15/4259 (2013.01); F04B 17/00 (2013.01); F04B 49/02 (2013.01); B08B 2203/0223 (2013.01); B08B 2203/0282 (2013.01); F04B 2203/0209 (2013.01); F04B 2207/703 (2013.01);
Abstract
Provided is a pump apparatus capable of suppressing an unintentional ejection of a high-pressure liquid from a nozzle. A pump apparatus including: an injection chamber having a door; a nozzle arranged in the injection chamber; a pump connected to the nozzle for discharging liquid; a motor for driving the pump; a door sensor for detecting that the door is closed; and a control device capable of communicating with the door sensor, the control device having a motor rotation unit for supplying driving power to the motor only when the door sensor detects that the door is closed.