Hybrid propulsion systems for motor vehicles with predominantly intermittent modes of operation [PDF]
A small delivery vehicle was equipped with a flywheel-hybrid drive and compared in test stand and driving tests with a conventional drive vehicle.
Bartsch, H., Helling, J., Schreck, H.
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Design study of a continuously variable roller cone traction CVT for electric vehicles [PDF]
Continuously variable ratio transmissions (CVT) featuring cone and roller traction elements and computerized controls are studied. The CVT meets or exceeds all requirements set forth in the design criteria.
Mccoin, D. K., Walker, R. D.
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Analysis of the Cause of Clearance Deviation of Planetary Gear Pair in Wind Turbine Gearbox
Jixie chuandong, 2019 As wind power transmission gear key parts， because of irregular under strong wind and Martin shock loads， so that its work reliability decides the reliability of the wind turbine gearbox.
Yutian Zeng +4 more
doaj
Traceability and Spectral Analysis of Transmission Error in Rotary Vector Planetary Gear Reducers [PDF]
Xinping Zhu +3 more
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Impacts of a Profile Failure of the Cycloidal Drive of a Planetary Gear on Transmission Gear [PDF]
, 2021 Attila Csobán
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The NASA Lewis Research Center and the U.S. Army Aviation Systems Command share an interest in advancing the technology for helicopter propulsion systems.
Coy, John J.
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Angular Misalignment of Toothed Coupling in Planetary Gear Transmission
Jixie chuandong, 2015 The new calculation methods for the maximum radial deviation of sun pinion in operating and the minimal length of a toothed coupling are given. And the maximum radial deviation of sun pinion in operating are consisted of four parts: the total radial composite deviation of sun pinion plus the total radial composite deviation of planetary gear,the half ...
openaire +1 more source
Low-noise, high-strength, spiral-bevel gears for helicopter transmissions [PDF]
Improvements in spiral-bevel gear design were investigated to support the Army/NASA Advanced Rotorcraft Transmission program. Program objectives were to reduce weight by 25 percent, reduce noise by 10 dB, and increase life to 5000 hr mean-time-between ...
Handschuh, Robert F. +3 more
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Control of Gear Shift for Planetary Transmission Based on Pressure Estimation of Shifting Actuators [PDF]
, 2015 Erlie Wang
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Advanced transmission studies [PDF]
The NASA Lewis Research Center and the U.S. Army Aviation Systems Command share an interest in advancing the technology for helicopter propulsion systems.
Bill, Robert C., Coy, John J.
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