NASA NTRS · 19800000244
High-performance, multiroller traction drive
Abstract
Fixed-speed-ratio traction drive (NASVYTRAC) has been developed that can transmit high power across large speed ratio using compact cluster of rollers. Traction drive transmits power without gear teeth, through shear forces on thin lubricant film that separates drive rollers. Automatic loading mechanism regulates normal load between rollers so sufficient normal load is present to transmit required torque without slip or overloading.
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Lowenthal, S., Rohn, D. A., Zaretsky, E., Anderson, N. E., Nasvytis, A.. 1980-09-01. High-performance, multiroller traction drive. https://ntrs.nasa.gov/citations/19800000244
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