Integral Brushless Motor – US Patent 8,016, 893 Gear-Bearing ...

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Graduate Category: Engineering and Technology Degree Level: MS in Mechanical Engineering Abstract ID# 950 Abstract: The Gear Bearing Drive Actuator Our team has developed a new motor technology that substantially reduces the size, weight, and cost of gear-motors beyond the capabilities of existing products.

Elias Brassitos Nicholas Candelino Brian Weinberg Nader Jalili

Two-Stage Differential Gearbox

Back-to-Back Bearing Arrangement

State-of-the art measurement system developed to characterize the new motor technology Bodine gearmotor with 266 rpm, 2.37 Nm GBD prototype with 263 rpm 3.42 Nm

Technology Description: Our device replaces traditional motor gear train assemblies with a single compact mechanism saving significant weight and space and cost. The technology allow unlimited gear ratios and torque densities higher than 130 Nm/kg • •

3 Patent Applications 1 Patent Granted

Gear-Bearing Technology

Integral Brushless Motor – US Patent 8,016, 893 Commercial Applications: Our actuator technology is now applied at NASA’s Jet Propulsion Laboratory to develop the robotic joints onboard the future Mars Rover. Applications include: Transportation (automotive, aerospace, marine, rail) Robotics (medical, MRI, manipulation) Power Tools, Industrial Machinery, Toys

Acknowledgements We thank the NASA Space Technology Research Fellowship program and NSF for funding this project. Dedicated in Memory of Professor Constantinos Mavroidis.