Results 1 to 10 of about 10,936 (144)
Applied Sciences, 2023 The concentric face gear split-torque transmission system (CFGSTTS) has the advantages of a large reduction ratio and high power density. The CFGSTTS has considerable potential to be applied in helicopter main reducers.
Fei Gong, Rupeng Zhu, Qibo Wang
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Applied Sciences, 2022 The concentric face gear split-torque transmission system (CFGSTTS) is a new form of drive that is primarily used in helicopter transmission systems. Its load-sharing performance among different branches and tooth contact characteristics have a great ...
Fei Gong +3 more
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Frontiers in PhysicsIntroductionPlanetary-face gears combine the advantages of both planetary and face gears, offering potential value for wind power applications. During the gear meshing process, a large amount of heat is generated, and tooth wear also occurs, which ...
Bi Xincheng, Wang Jungang, Mo Ruina
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Jixie chuandong, 2021 Based on the lumped mass method， bending and torsion coupled dynamics model of the concentric face gear transmission system is established. The calculation method of floating quantity of input pinion is studied， the system dynamic equation is modified ...
Laiyang Shan +2 more
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Study on Load Sharing Behavior of the Concentric Torque-split Face Gear Transmission for Helicopter
Jixie chuandong, 2020 The application of the concentric torque-split face gear transmission on the main gearbox of helicopter is analyzed. Based on the definition of equivalent displacement and equivalent stiffness, the mechanism of the uneven load sharing of the concentric ...
Ning Zhao +3 more
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Returning to Performance After ACL Injury in Competitive Alpine Skiing: A Scoping Review and Evidence- and Expert-Informed Practice Recommendations. [PDF]
Scand J Med Sci SportsABSTRACT Anterior cruciate ligament (ACL) injuries are common in competitive alpine skiing and pose significant challenges for return‐to‐performance (RTP) pathways. The aim of this scoping review was to map the current state of research, identify key factors for recovery, highlight knowledge gaps and synthesize evidence‐ and expert‐informed practice ...
Spörri J +10 more
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Study on power split characteristics of planetary multistage face gear transmission device and its effect to drive efficiency under variable speed working condition [PDF]
Mechanical Sciences, 2020 The planetary gear system consists of several concentric single stage face gears symmetrically meshing with multiple cylindrical gears that as the core component of planetary multistage face gears transmission device (PMFGTD), which is the key to ...
X. Chen +10 more
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Mathematical Problems in Engineering, 2022 The concentric face-gear split-torque transmission system (CFGSTTS) is a new type of transmission that has significant applications in helicopter main gearboxes. To study the influence of various parameters on the dynamic characteristics of the CFGSTTS, a 23-degree-of-freedom translation-torsion nonlinear dynamic model was established based on the ...
Fei Gong +3 more
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Quasistatic Load Sharing Behaviours of Concentric Torque-Split Face Gear Transmission with Flexible Face Gear [PDF]
Mathematical Problems in Engineering, 2018 The concentric torque-split face gear transmission is mainly developed for the rotorcraft which demands high power density and large speed reduction ratio. This paper aims at predicting the load sharing behaviours among paths. An original quasistatic load sharing analysis model, which is a hybrid finite element/lumped parameter quasistatic gear model ...
Ning Zhao +5 more
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Predictions of input pinion floating on concentric face gear transmission static load sharing [PDF]
Vibroengineering Procedia, 2019 A static load sharing analysis model of concentric face gear transmission associated with the input pinion floating is constructed, and the calculation method of static load sharing is proposed. The influence of the input pinion floating on static load sharing is predicted.
Si Li +4 more
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