Modular lightweight components for peripheral e-mobility solutions [PDF]
, 2013 Based on a comprehensive prototype, the researchers at the Otto von Guericke University systematically investigate components and system solutions within a project regarding the interplay of electric vehicles and range extenders.
Gerd, Wagenhaus +2 more
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Design study of Self-Alining Bearingless Planetary (SABP) gear [PDF]
The feasibility of using the self alining, bearingless planetary (SABP) transmission in an uprated version of the OH-58 helicopter was evaluated, specific performance comparisons of this new transmission with contemporary helicopter transmission systems ...
Folenta, D. J.
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Preliminary power train design for a state-of-the-art electric vehicle [PDF]
Power train designs which can be implemented within the current state-of-the-art were identified by means of a review of existing electric vehicles and suitable off-the-shelf components.
Hahn, W. F., Mighdoll, P.
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A high torque capacity eddy current damper used as a rate limiting device for a large solar array deployment mechanism is discussed. The eddy current damper eliminates the problems associated with the outgassing or leaking of damping fluids.
Ellis, R. C., Fink, R. A., Rich, R. W.
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Engineering analysis and test results of the pre-stage planetary gear trains for wrist rotation and pitch assembly and azimuth and elevation assembly of the extendable stiff arm manipulator kit assembly [PDF]
In order to improve the performance capability of the Extendable Stiff Arm Manipulator (ESAM) it was necessary to increase the overall gear ratio by a factor of approximately four.
Morris, R. N.
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Transmission research activities at NASA Lewis Research Center [PDF]
A joint research program, to advance the technology of rotorcraft transmissions, consists of analytical and experimental efforts to achieve the overall goals of reducing transmission weight and noise, while increasing life and reliability.
Lewicki, D. G.
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Keeping the LEDs on and the Electric Motors Running: Clean Tech in Court After Ebay [PDF]
, 2010 The recent rise of non-practicing patentees (NPPs) in the clean technology space comes at a time when the international community is debating the role of intellectual property rights in the deployment and implementation of technologies to combat climate ...
Lane, Eric
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Gear tooth stress measurements on the UH-60A helicopter transmission [PDF]
The U.S. Army UH-60A (Black Hawk) 2200-kW (3000-hp) class twin-engine helicopter transmission was tested at the NASA Lewis Research Center. Results from these experimental (strain-gage) stress tests will enhance the data base for gear stress levels in ...
Oswald, Fred B.
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Study on nonlinear dynamics characteristics of dual speed dual clutch transmission system based on bond graph. [PDF]
Heliyon, 2023 Wu J, Yan H, Liu S, Ni.
europepmc +1 more source
Advanced gearbox technology [PDF]
An advanced 13,000 HP, counterrotating (CR) gearbox was designed and successfully tested to provide a technology base for future designs of geared propfan propulsion systems for both commercial and military aircraft.
Anderson, N. E. +3 more
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