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公开(公告)号：US10269188B2
公开(公告)日：2019-04-23
申请号：US15642098
申请日：2017-07-05
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne M. Reber
IPC: G07C5/00 , F16F9/06 , F16F9/32 , F16F9/48 , G07C5/08 , F16F15/02 , F16F15/023 , F16F9/342 , B64C25/60
Abstract: A monitoring system for a dual-stage, separated gas/fluid shock strut may comprise a controller and a tangible, non-transitory memory configured to communicate with the controller. The tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform various operations. Said operations may include determining, by the controller, a shock strut stroke at which a secondary chamber of the shock strut is activated, calculating, by the controller, a volume of oil in an oil chamber of the shock strut, calculating, by the controller, a volume of gas in a primary chamber of the shock strut, and calculating, by the controller, a volume of oil leaked into the primary chamber of the shock strut.
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公开(公告)号：US10266256B2
公开(公告)日：2019-04-23
申请号：US15642058
申请日：2017-07-05
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne M. Reber
IPC: B64C25/60 , F16F9/06 , F16F9/32 , F16F9/48 , G01M17/04 , B64F5/60 , F16F15/02 , F16F15/023 , F16F9/342
Abstract: A monitoring system for a dual-stage, pressure-activated, mixed fluid gas shock strut, may comprise a controller, and a tangible, non-transitory memory configured to communicate with the controller, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising receiving, by the controller, a primary chamber temperature sensor reading, receiving, by the controller, a primary chamber pressure sensor reading, receiving, by the controller, a shock strut stroke sensor reading, and calculating, by the controller, an oil volume in a primary chamber of the shock strut. The instructions may cause the controller to perform further operations comprising calculating, by the controller, a number of moles of gas in a primary chamber of the shock strut and calculating, by the controller, a number of moles of gas in a secondary chamber of the shock strut.
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33.发明申请公开(公告)号：US20190012849A1
公开(公告)日：2019-01-10
申请号：US15642129
申请日：2017-07-05
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne M. Reber
Abstract: A monitoring system for a dual-stage, separated gas/fluid shock strut may comprise a controller and a tangible, non-transitory memory configured to communicate with the controller. The tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform various operations. Said operations may include calculating, by the controller, a secondary chamber nominal pressure, determining, by the controller, a shock strut stroke associated with the secondary chamber nominal pressure, calculating, by the controller, a volume of oil in an oil chamber of the shock strut, calculating, by the controller, a volume of gas in a primary chamber of the shock strut, calculating, by the controller, a secondary chamber inflation pressure, and calculating, by the controller, a volume of oil leaked into the primary chamber of the shock strut.
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34.发明申请公开(公告)号：US20190012848A1
公开(公告)日：2019-01-10
申请号：US15642098
申请日：2017-07-05
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne M. Reber
Abstract: A monitoring system for a dual-stage, separated gas/fluid shock strut may comprise a controller and a tangible, non-transitory memory configured to communicate with the controller. The tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform various operations. Said operations may include determining, by the controller, a shock strut stroke at which a secondary chamber of the shock strut is activated, calculating, by the controller, a volume of oil in an oil chamber of the shock strut, calculating, by the controller, a volume of gas in a primary chamber of the shock strut, and calculating, by the controller, a volume of oil leaked into the primary chamber of the shock strut.
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公开(公告)号：US20180293807A1
公开(公告)日：2018-10-11
申请号：US16006322
申请日：2018-06-12
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic
Abstract: System and methods for servicing and monitoring shock struts are provided. A shock strut servicing assistance system may comprise: a controller in electronic communication with a display; and a tangible, non-transitory memory configured to communicate with the controller, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising: calculating, by the controller, a dead volume of a shock strut and determining, by the controller, a first decision, the first decision being whether or not the dead volume of the shock strut is negative. A shock strut servicing assistance system may be for servicing a shock strut having a negative dead volume.
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Patent Agency Ranking
公开(公告)号：US20170130796A1
公开(公告)日：2017-05-11
申请号：US14934741
申请日：2015-11-06
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne Reber
CPC classification number: F16F9/3271 , B64C25/58 , B64C25/60 , B64F5/0081 , B64F5/40 , F16F9/06 , F16F2230/46
Abstract: Methods for servicing shock struts are provided. In various embodiments, a method for servicing a shock strut may comprise deflating the shock strut; compressing the shock strut until the shock strut is in a fully compressed position; and charging the shock strut with a liquid until a pressure of the liquid decreases a volume of a residual air located inside of the shock strut. In various embodiments, charging the shock strut with liquid under pressure may reduce the volume of trapped air inside of the shock strut to a negligible volume, eliminating the servicing variations.
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公开(公告)号：US11905033B2
公开(公告)日：2024-02-20
申请号：US17127348
申请日：2020-12-18
Applicant: GOODRICH CORPORATION
Inventor： Adnan Cepic , Ebenezer Kielstra , Amir Fazeli
CPC classification number: B64D45/0005 , B64C25/60 , G01D21/02 , B64D2045/008
Abstract: A method of determining whether a landing event of an aircraft is hard may comprise: receiving, by a controller via a stroke position sensor, a stroke profile as a function of time for a shock strut; receiving, by the controller via a gas pressure sensor, a gas pressure in a gas chamber of the shock strut; receiving, by the controller via a wheel speed sensor, a wheel speed of a tire in a landing gear assembly; calculating, by the controller, multiple time dependent functions based on the stroke profile of the shock strut, based on the gas pressure, a shock strut temperature, and the wheel speed; and comparing, by the controller, the multiple time dependent functions to respective predetermined thresholds to determine whether the landing event is hard.
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公开(公告)号：US11746850B2
公开(公告)日：2023-09-05
申请号：US17032564
申请日：2020-09-25
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Adnan Cepic , Susanne Reber
CPC classification number: F16F9/3271 , B64C25/60 , B64F5/40 , B64F5/50 , B64F5/60 , G01M17/04 , F16F2230/46
Abstract: A shock strut servicing assistance system may comprise a controller including a display, and a tangible, non-transitory memory configured to communicate with the controller. The tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising calculating, by the controller, a first fluid level, generating, by the controller, a first datum corresponding to the first fluid level, receiving, by the shock strut, a fluid in response to the first datum, calculating, by the controller, a second fluid level, generating, by the controller, a second datum, and storing, by the controller, a final fluid level.
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公开(公告)号：US11498666B2
公开(公告)日：2022-11-15
申请号：US17124266
申请日：2020-12-16
Applicant: Goodrich Corporation
Inventor： Amir Fazeli , Susanne M. Reber
Abstract: A shock strut assembly for a landing gear may comprise a strut cylinder, a strut piston configured to telescope relative to the strut cylinder, and a locking system. The locking system may be configured to restrict rotation of the strut piston relative to the strut cylinder in response to compression of the shock strut assembly.
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公开(公告)号：US20220194624A1
公开(公告)日：2022-06-23
申请号：US17127348
申请日：2020-12-18
Applicant: GOODRICH CORPORATION
Inventor： Adnan Cepic , Ebenezer Kielstra , Amir Fazeli
Abstract: A method of determining whether a landing event of an aircraft is hard may comprise: receiving, by a controller via a stroke position sensor, a stroke profile as a function of time for a shock strut; receiving, by the controller via a gas pressure sensor, a gas pressure in a gas chamber of the shock strut; receiving, by the controller via a wheel speed sensor, a wheel speed of a tire in a landing gear assembly; calculating, by the controller, multiple time dependent functions based on the stroke profile of the shock strut, based on the gas pressure, a shock strut temperature, and the wheel speed; and comparing, by the controller, the multiple time dependent functions to respective predetermined thresholds to determine whether the landing event is hard.
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