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:
Jul. 18, 2023
Filed:
Jul. 28, 2020
Azbil Corporation, Tokyo, JP;
Masato Tanaka, Tokyo, JP;
Fumiaki Yamasaki, Tokyo, JP;
AZBIL CORPORATION, Tokyo, JP;
Abstract
A valve maintenance assistance device includes: a valve ID storing portion configured to store IDs of an ON-OFF valve which may be a candidate for maintenance; an opening acquiring portion configured to acquire opening measurement data from an opening sensor provided on the ON-OFF valve; a pressure acquiring portion configured to acquire pressure measurement data on operating device air supplied to an operating device of the ON-OFF valve; a storing portion configured to store the opening measurement data and the pressure measurement data; and a diagnosis index calculating portion configured to calculate a dead zone time from when an operating device air pressure is changed until an opening degree of the ON-OFF valve is changed as a diagnosis index based on the pressure measurement data and the opening measurement data; and a diagnosis index presenting portion configured to present a numerical value of the diagnosis index calculated by the diagnosis index calculating portion.