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:
Feb. 28, 2017
Filed:
Jul. 23, 2014
Air China Limited, Beijing, CN;
Zhuping Gu, Beijing, CN;
Lei Huang, Beijing, CN;
Huifeng Ding, Beijing, CN;
Jiaju Wu, Beijing, CN;
Fengliang Zheng, Beijing, CN;
Lei Zhong, Beijing, CN;
Guogang Shi, Beijing, CN;
Lei Chen, Beijing, CN;
Air China Limited, Beijing, CN;
Abstract
The present invention relates to a method for detecting performance of an APU starter, comprising: obtaining APU-related messages at multiple time points within one time period; obtaining running parameters of the APU starter according to the messages, the running parameters comprise starting time STA; calculating average value AVG and deviation index δ of the starting time within said time period; determining whether performance of the APU starter is in a stable phase, decline phase or failure phase according to the deviation index δ.