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:
Sep. 16, 2025
Filed:
Dec. 01, 2021
The Boeing Company, Chicago, IL (US);
Jun Yuan, Sammamish, WA (US);
The Boeing Company, Arlington, VA (US);
Abstract
Prognostication and amelioration of gas ingress in hydraulic systems can be provided by identifying a stable reading window when operating a carrying system comprising a hydraulic system; collecting a set of fluid level readings of a hydraulic fluid in the hydraulic system during a plurality of stable reading windows across a corresponding plurality of operational instances of the carrying system; calculating median fluid levels in each stable reading window of the plurality of stable reading windows; identifying an increasing trend in the median fluid levels when analyzed as time series data that satisfies a trend threshold of at least a predefined number successive indications of increased fluid levels in the hydraulic fluid within an analysis window; and generating an alert of gas ingress to the hydraulic system.