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:
May. 16, 2017
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventor:
Yusuke Yokoi, Kyoto, JP;
Assignee:
Shimadzu Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 51/00 (2006.01); F04B 13/00 (2006.01); F04B 23/02 (2006.01); F04B 49/06 (2006.01); F04B 49/10 (2006.01); F04B 23/04 (2006.01);
U.S. Cl.
CPC ...
F04B 51/00 (2013.01); F04B 13/00 (2013.01); F04B 23/02 (2013.01); F04B 23/04 (2013.01); F04B 49/065 (2013.01); F04B 49/106 (2013.01); F04B 2205/09 (2013.01);
Abstract
A liquid feeding pump operation monitor includes: a liquid gauge that measures a remaining amount of a liquid to be fed by a liquid feeding pump; and an operation detector configured to detect a reduction of the remaining amount, which is measured by the liquid gauge, of the liquid to be fed, and to detect an operation of the liquid feeding pump based on the detection of the reduction.