Patents by Inventor Fengliang ZHENG
Fengliang ZHENG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9689311Abstract: The present invention relates to a method for detecting performance of the lubricant cooler in aircraft auxiliary power unit APU, comprising: acquiring APU-related messages within a time period; obtaining the operation parameters of the APU lubricant cooler, the operation parameters comprise: lubricant temperature OT and load compressor inlet temperature LCIT; the revised lubricant temperature OT is obtained by the following formula: the revised lubricant temperature=lubricant temperature OTA?the load compressor inlet temperature LCIT; determining the performance of the APU lubricant cooler is in stable phase, decline phase or malfunction phase according to the change trend of the revised lubricant temperature OT with respect to time.Type: GrantFiled: July 23, 2014Date of Patent: June 27, 2017Assignee: AIR CHINA LIMITEDInventors: Zhuping Gu, Huifeng Ding, Fengliang Zheng, Jiaju Wu, Lei Chen, Lei Huang, Hailong Zhang, Bingzheng Wang
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Patent number: 9657649Abstract: The present invention relates to a method for detecting performance of an APU fuel assembly, comprising: obtaining APU messages at multiple time points within a time period; obtaining running parameters of the APU fuel assembly according to the APU messages, the running parameters at least comprising starting time STA; calculating average value AVG and deviation index ? of the starting time STA within said time period; determining whether performance of the APU fuel assembly is in the stable phase, decline phase, or failure phase according to the deviation index ?.Type: GrantFiled: July 23, 2014Date of Patent: May 23, 2017Assignee: Air China LimitedInventors: Lei Huang, Zhuping Gu, Fengliang Zheng, Hongtao Ma, Jiaju Wu, Rong Wang, Lei Chen
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Patent number: 9632010Abstract: The present invention relates to a method and device for monitoring APU turbine vane fracture and rotor shaft jam. The method for monitoring APU turbine vane fracture and rotor shaft jam comprises: acquiring APU messages at multiple time points within a period; obtaining the operation parameters of the APU according to the APU messages, the operation parameters including at least the start time STA; calculating the average value AVG and the deviation index ? of the start time STA within the period; and determining the circumstance of the turbine vane fracture and rotation shaft jam of APU is in stable phase, decline phase or malfunction phase according to the deviation index ?.Type: GrantFiled: July 23, 2014Date of Patent: April 25, 2017Assignee: Air China LimitedInventors: Huifeng Ding, Zhuping Gu, Qihe Yue, Lei Chen, Jiaju Wu, Hailong Zhang, Fengliang Zheng, Lei Huang
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Patent number: 9581124Abstract: 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 ? 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 ?.Type: GrantFiled: July 23, 2014Date of Patent: February 28, 2017Assignee: Air China LimitedInventors: Zhuping Gu, Lei Huang, Huifeng Ding, Jiaju Wu, Fengliang Zheng, Lei Zhong, Guogang Shi, Lei Chen
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Patent number: 9457913Abstract: The present invention relates to a system and method for detecting an aircraft jitter. The aircraft jitter detection system comprises: a jitter detection apparatus, which detects accelerations of pitch and yaw of the aircraft; a data acquisition apparatus, which obtains accelerations in two directions detected by the jitter detection apparatus; and a jitter determination apparatus, which extracts frequency spectrum and energy information of the jitter according to the accelerations in two directions obtained by the data acquisition apparatus, and determines whether the aircraft jitters.Type: GrantFiled: July 23, 2014Date of Patent: October 4, 2016Assignee: Air China LimitedInventors: Jiaju Wu, Zhuping Gu, Lei Huang, Huifeng Ding, Fengliang Zheng, Qifeng Ren, Yanfeng Zhang
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Patent number: 9452847Abstract: The present invention relates to a method for detecting addition of engine lubricant, comprising: determining whether the difference value between the lubricant quantity at a first timing and that at a second timing is greater than a first threshold value; delaying a period and determining whether the difference value between the lubricant quantity at a third timing and that at a fourth timing is greater than a second threshold value in response to that the difference value between the lubricant quantity at the first timing and that at the second timing is greater than the first threshold value; and detecting the lubricant increment in response to that the difference value between the lubricant quantity at the third timing and that at the fourth timing is greater than the second threshold value.Type: GrantFiled: July 23, 2014Date of Patent: September 27, 2016Assignee: Air China LimitedInventors: Zhuping Gu, Huifeng Ding, Jiaju Wu, Fengliang Zheng, Lei Huang, Bingzheng Wang, Hongtao Ma, Lei Chen, Rong Wang
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Patent number: 9446853Abstract: The present invention relates to a system for monitoring the wing anti-icing valve, comprising: time record device configured to record the time for opening or closing the anti-icing valve; data acquisition device configured to obtain the time for opening or closing the anti-icing valve recorded by the time record device; and message generation device configured to generate the anti-icing valve performance message according to the time for opening or closing the anti-icing valve obtained by the data acquisition device.Type: GrantFiled: July 23, 2014Date of Patent: September 20, 2016Assignee: Air China LimitedInventors: Fengliang Zheng, Zhuping Gu, Jiaju Wu, Lei Huang, Yi Zhu, Minjie Tang, Yi Shu
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Publication number: 20160230676Abstract: The present invention relates to a method for detecting performance of an APU fuel assembly, comprising: obtaining APU messages at multiple time points within a time period; obtaining running parameters of the APU fuel assembly according to the APU messages, the running parameters at least comprising starting time STA; calculating average value AVG and deviation index ? of the starting time STA within said time period; determining whether performance of the APU fuel assembly is in the stable phase, decline phase, or failure phase according to the deviation index ?.Type: ApplicationFiled: July 23, 2014Publication date: August 11, 2016Inventors: Lei HUANG, Zhuping GU, Fengliang ZHENG, Hongtao MA, Jiaju WU, Rong WANG, Lei CHEN
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Publication number: 20160230659Abstract: The present invention relates to a method for detecting performance of the lubricant cooler in aircraft auxiliary power unit APU, comprising: acquiring APU-related messages within a time period; obtaining the operation parameters of the APU lubricant cooler, the operation parameters comprise: lubricant temperature OT and load compressor inlet temperature LCIT; the revised lubricant temperature OT is obtained by the following formula: the revised lubricant temperature=lubricant temperature OTA?the load compressor inlet temperature LCIT; determining the performance of the APU lubricant cooler is in stable phase, decline phase or malfunction phase according to the change trend of the revised lubricant temperature OT with respect to time.Type: ApplicationFiled: July 23, 2014Publication date: August 11, 2016Inventors: Zhuping GU, Huifeng DING, Fengliang ZHENG, Jiaju WU, Lei CHEN, Lei HUANG, Hailong ZHANG, Bingzheng WANG
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Publication number: 20160230737Abstract: 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 ? 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 ?.Type: ApplicationFiled: July 23, 2014Publication date: August 11, 2016Inventors: Zhuping GU, Lei HUANG, Huifeng DING, Jiaju WU, Fengliang ZHENG, Lei ZHONG, Guogang SHI, Lei CHEN
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Publication number: 20160185464Abstract: The present invention relates to a system for monitoring the wing anti-icing valve, comprising: time record device configured to record the time for opening or closing the anti-icing valve; data acquisition device configured to obtain the time for opening or closing the anti-icing valve recorded by the time record device; and message generation device configured to generate the anti-icing valve performance message according to the time for opening or closing the anti-icing valve obtained by the data acquisition device.Type: ApplicationFiled: July 23, 2014Publication date: June 30, 2016Inventors: Fengliang Zheng, Zhuping Gu, Jiaju Wu, Lei Huang, Yi Zhu, Minjie Tang, Yi Shu
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Publication number: 20150203211Abstract: The present invention relates to a system and method for detecting an aircraft jitter. The aircraft jitter detection system comprises: a jitter detection apparatus, which detects accelerations of pitch and yaw of the aircraft; a data acquisition apparatus, which obtains accelerations in two directions detected by the jitter detection apparatus; and a jitter determination apparatus, which extracts frequency spectrum and energy information of the jitter according to the accelerations in two directions obtained by the data acquisition apparatus, and determines whether the aircraft jitters.Type: ApplicationFiled: July 23, 2014Publication date: July 23, 2015Inventors: Jiaju Wu, Zhuping Gu, Lei Huang, Huifeng Ding, Fengliang Zheng, Qifeng Ren, Yanfeng Zhang
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Patent number: 9014878Abstract: The present invention relates to a method for detecting the performance of the aircraft comprising: collecting data reflecting operation status of the aircraft; generating the customized message based on the collected data, wherein, the customized message is configured to include one or more main parameters related to the operation status of the aircraft; storing or transmitting the customized message; and detecting the performance of the aircraft based on the customized message.Type: GrantFiled: July 26, 2012Date of Patent: April 21, 2015Assignee: Air China LimitedInventors: Zhuping Gu, Jiaju Wu, Fengliang Zheng, Lei Huang, Minjie Tang
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Publication number: 20150068293Abstract: The present invention relates to a method and device for monitoring APU turbine vane fracture and rotor shaft jam. The method for monitoring APU turbine vane fracture and rotor shaft jam comprises: acquiring APU messages at multiple time points within a period; obtaining the operation parameters of the APU according to the APU messages, the operation parameters including at least the start time STA; calculating the average value AVG and the deviation index ? of the start time STA within the period; and determining the circumstance of the turbine vane fracture and rotation shaft jam of APU is in stable phase, decline phase or malfunction phase according to the deviation index ?.Type: ApplicationFiled: July 23, 2014Publication date: March 12, 2015Inventors: Huifeng Ding, Zhuping Gu, Qihe Yue, Lei Chen, Jiaju Wu, Hailong Zhang, Fengliang Zheng, Lei Huang
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Publication number: 20150073648Abstract: The present invention relates to a method for detecting addition of engine lubricant, comprising: determining whether the difference value between the lubricant quantity at a first timing and that at a second timing is greater than a first threshold value; delaying a period and determining whether the difference value between the lubricant quantity at a third timing and that at a fourth timing is greater than a second threshold value in response to that the difference value between the lubricant quantity at the first timing and that at the second timing is greater than the first threshold value; and detecting the lubricant increment in response to that the difference value between the lubricant quantity at the third timing and that at the fourth timing is greater than the second threshold value.Type: ApplicationFiled: July 23, 2014Publication date: March 12, 2015Inventors: Zhuping Gu, Huifeng Ding, Jiaju Wu, Fengliang Zheng, Lei Huang, Bingzheng Wang, Hongtao Ma, Lei Chen, Rong Wang
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Patent number: 8798848Abstract: The present application discloses a method for detecting whether performance of an aircraft component is in a decline period, comprising: obtaining one or more detection parameters reflecting operation status of the aircraft component; comparing data of the one or more detection parameters with respective desired values; and determining whether the performance of the aircraft component is in the decline period based on a comparison result.Type: GrantFiled: July 6, 2012Date of Patent: August 5, 2014Assignee: Air China LimitedInventors: Zhuping Gu, Huifeng Ding, Fengliang Zheng, Yubin Wu, Jiaju Wu, Yi Zhu, Bingzheng Wang, Hongtao Ma, Lei Huang
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Publication number: 20130197721Abstract: The present invention relates to a method for detecting the performance of the aircraft comprising: collecting data reflecting operation status of the aircraft; generating the customized message based on the collected data, wherein, the customized message is configured to include one or more main parameters related to the operation status of the aircraft; storing or transmitting the customized message; and detecting the performance of the aircraft based on the customized message.Type: ApplicationFiled: July 26, 2012Publication date: August 1, 2013Applicant: AIR CHINA LIMITEDInventors: Zhuping GU, Jiaju WU, Fengliang ZHENG, Lei HUANG, Minjie TANG
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Publication number: 20130179028Abstract: The present application discloses a method for detecting whether performance of an aircraft component is in a decline period, comprising: obtaining one or more detection parameters reflecting operation status of the aircraft component; comparing data of the one or more detection parameters with respective desired values; and determining whether the performance of the aircraft component is in the decline period based on a comparison result.Type: ApplicationFiled: July 6, 2012Publication date: July 11, 2013Applicant: AIR CHINA LIMITEDInventors: Zhuping GU, Huifeng DING, Fengliang ZHENG, Yubin WU, Jiaju WU, Yi ZHU, Bingzheng WANG, Hongtao MA, Lei HUNAG
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Publication number: 20130013222Abstract: The present application discloses a method for detecting performance of an APU, comprising: obtaining EGT (Exhaust Gas Temperature), LCIT (Load Compressor Inlet Temperature), STA (Starting Time), TSR and PT, comparing respectively a difference of EGT and LCIT (i.e., EGT-LCIT), STA, TSR and PT with respective threshold value; assigning a weights to comparison results between the EGT-LCIT, STA, TSR and PT and the respective threshold value; and determining the performance of the APU based on the comparison results considering the weight between the EGT-LCIT, STA, TSR and PT and the respective threshold value.Type: ApplicationFiled: July 6, 2012Publication date: January 10, 2013Applicant: AIR CHINA LIMITEDInventors: Zhuping GU, Bingzheng WANG, Fengliang ZHENG, Hongtao MA, Lei HUANG, Haoquan MAO