Patents by Inventor Huifeng DING
Huifeng DING 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: 9790826Abstract: The present invention relates to a system and method for monitoring lubricant of an engine. The system for monitoring lubricant of an engine comprises: a lubricant sensor, which measures lubricant quantity of the engine; a data acquisition unit, which collects the lubricant quantity of the engine from the lubricant sensor at a fixed time interval; and a message generation unit, which generates lubricant quantity monitoring messages according to the lubricant quantity of the engine collected by the data acquisition unit.Type: GrantFiled: July 23, 2014Date of Patent: October 17, 2017Assignee: Air China LimitedInventors: Dechao Zhong, Zhuping Gu, Huifeng Ding, Jiaju Wu, Lei Huang, Bingzheng Wang, Hongtao Ma, Lei Chen, Yi Zhu
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Patent number: 9696239Abstract: The present invention relates to a method and device for monitoring performance of an auxiliary power unit (APU) turbine efficiency of an aircraft. The method comprises: obtaining APU messages at multiple time points within a period; obtaining APU startup parameters including at least a rotation speed at a peak of EGT according to the APU messages; calculating a percentage NPA of the rotation speed when the exhausting gas temperature EGT reaches its peak at the APU startup stage relative to the rotation speed in the APU normal operation; calculating the average of the NPA within the period; and determining which of the stable, decline and failure phases the APU turbine efficiency is in according to the average of the NPA.Type: GrantFiled: July 23, 2014Date of Patent: July 4, 2017Assignee: Air China LimitedInventors: Zhuping Gu, Chi Zhang, Lei Huang, Huifeng Ding, Jiaju Wu, Yanfeng Zhang, Hongtao Ma, Lei Chen
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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: 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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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: 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: 20160195455Abstract: The present invention relates to a method and device for monitoring performance of an auxiliary power unit (APU) turbine efficiency of an aircraft. The method comprises: obtaining APU messages at multiple time points within a period; obtaining APU startup parameters including at least a rotation speed at a peak of EGT according to the APU messages; calculating a percentage NPA of the rotation speed when the exhausting gas temperature EGT reaches its peak at the APU startup stage relative to the rotation speed in the APU normal operation; calculating the average of the NPA within the period; and determining which of the stable, decline and failure phases the APU turbine efficiency is in according to the average of the NPA.Type: ApplicationFiled: July 23, 2014Publication date: July 7, 2016Inventors: Zhuping GU, Chi ZHANG, Lei HUANG, Huifeng DING, Jiaju WU, Yanfeng ZHANG, Hongtao MA, Lei CHEN
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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: 9026280Abstract: Provided herein is a method for detecting landing quality of an aircraft. Method steps include using an aircraft data system to determine whether a vertical speed rate is greater than a first preset value when the aircraft lands; determine whether a vertical acceleration is greater than a second preset value if the vertical speed rate is not greater than the first preset value when the aircraft lands; collect landing data; generate a landing message based on the collected landing data; store or transmit the landing message; and determine the landing quality based on the landing data in the landing message.Type: GrantFiled: July 26, 2012Date of Patent: May 5, 2015Assignee: Air China LimitedInventors: Huifeng Ding, Jiaju Wu, Yubin Wu, Yi Zhu, Minjie Tang, Zhiping Huang, Lei Chen, Jiang Yuan
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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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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: 20150068289Abstract: The present invention relates to a system and method for monitoring lubricant of an engine. The system for monitoring lubricant of an engine comprises: a lubricant sensor, which measures lubricant quantity of the engine; a data acquisition unit, which collects the lubricant quantity of the engine from the lubricant sensor at a fixed time interval; and a message generation unit, which generates lubricant quantity monitoring messages according to the lubricant quantity of the engine collected by the data acquisition unit.Type: ApplicationFiled: July 23, 2014Publication date: March 12, 2015Inventors: Dechao Zhong, Zhuping Gu, Huifeng Ding, Jiaju Wu, Lei Huang, Bingzheng Wang, Hongtao Ma, Lei Chen, Yi Zhu
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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: 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: 20130030614Abstract: The present invention relates to a method for detecting landing quality of an aircraft, comprising: determining whether a vertical speed rate is greater than a first preset value or a vertical acceleration is greater than a second value when the aircraft landing; collecting landing data; generating a landing message based on collected landing data in response to that the vertical speed rate is greater than the first preset value or the vertical acceleration is greater than the second value when the aircraft landing; storing or transmitting the landing message; and determining the landing quality of the aircraft based on the landing data in the landing message.Type: ApplicationFiled: July 26, 2012Publication date: January 31, 2013Applicant: AIR CHINA LIMITEDInventors: Huifeng DING, Jiaju WU, Yubin WU, Yi ZHU, Minjie TANG, Zhiping HUANG, Lei CHEN, Jiang YUAN
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Publication number: 20130019865Abstract: The present invention relates to a method and a system for detecting the performance of a crew oxygen system. The method comprising: obtaining an oxygen pressure of an oxygen cylinder of the crew oxygen system, an ambient air temperature and a cockpit temperature; generating crew oxygen messages from obtained oxygen cylinder of the crew oxygen system, the ambient air temperature and the cockpit temperature; receiving the crew oxygen messages, and determining an oxygen pressure of the oxygen cylinder under standard temperature; and determining performance of the crew oxygen system.Type: ApplicationFiled: June 20, 2012Publication date: January 24, 2013Applicant: AIR CHINA LIMITEDInventors: Zhuping GU, Huifeng DING, Lei HUANG, Jianjiang WANG, Zhenqiang XIE, Yi ZHU, Rong WANG