Mike Penso 1

RMI Traction Drive Design• Simplistic Design• Two-Ball Design• Ball Bearings Lubricated for Life• Utilizes Pure Rolling Friction• Minimal Amount of Moving Parts Allows for Maximum Energy

Transfer Efficiency • Operates on 12° Angle Between Input and Output Shafts

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What Makes RMI Different• New Technology • Reliable • Long Operating Life•Minimal Moving Parts • Utilizes Rolling Motion • Reduced Waste Heat Generation• High Efficiency at any Load/Speed

Combination• Built in One-Way Clutch • Smooth and Quiet Operation 3

NEMA Series •Commercial NEMA Series • Standard Steel Ball Unit • Lubricated for Life• One-way Built in Slip Clutch

•Precision NEMA Series• Upgraded Ceramic Balls• Coated Finger Assist• Lubricated for Life• Greater rpm and Load Capacity over Commercial Series• Precision Angular Contact Bearings• Available: Bi-Direction with Low Backlash

•High Performance NEMA Series• Includes Precision Series Upgrades • High rpm capabilities – 6000+• Hybrid Angular Contact Bearings

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NEMA Series Specifications

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Current Technological Issues and RMI Solutions

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Power Transmission Current Issue RMI Traction Drive Solutions

Current Traction Drive

Technology

Complex Designs Simple DesignChallenging to Manufacture Easy to Manufacture and Assemble

Expensive - Cost Prohibitive for Several Markets Low Cost Alternative – Allows for More Applications

Large Bulky Designs Streamlined Design

Gearboxes

Noisy Quiet OperationInefficient High Efficiency- 97%+

Produce Noticeable Vibration Low Vibration Utilizing Rolling Motion

Steep Load/Speed Curves Minimal Load/Speed Curve

Generates High Levels of Waste Heat Low Amounts of Waste Energy Produced.

Belts

Require Periodic Adjustments No Adjustments - Lubricated for Life

Large Amount of Maintenance Superior Reliability w/Long Operating Life

Inefficient High Efficiency - 97%+

Direct Drive

Requires Oversized Motors Utilizes Smaller Motor

Doesn’t Allow for Peak Motor Efficiency Motors Can Operate at OptimalEfficiency

Initial Cost is High for Larger Equipment Cost Effective Alternative – Smaller Motor and Inexpensive Traction Drive

Project Photos

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RMI Golf Cart Transmission MD-II Traction Drive on Windmill

First Prototype NEMA Series Testing Golf Cart Transmission Internal View

RMI Golf Cart• Replaced Standard Cart Transmission with RMI Traction Drive Unit

• Test One Results – Constant Throttle Position• RMI Transmission used 14.66 W/mi – Original used 17.29 W/mi• 15.2% Increase in Overall Efficiency with 33% Less Mechanical Advantage

• Test Two Results – Constant Wheel RPM (130rpm)• RMI Transmission used 2.644 Amps – Original used 2.755 Amps• Increased Efficiency by 4.03% with 33% Less Mechanical Advantage

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Potential Markets Interested in RMI• Applications• Motorized vehicles: Golf Carts, ZEV’s, LSV’s, Electric Cars• Medical: Dialysis Machines, Hospital Beds, Mobility

Scooters• Motion Control: Pick and Place Systems, Telescopes,

Conveyor Systems, 3D Printers• HVAC and Pump: Building and Home Air Conditioning,

Hydraulic and Water Pumps, Air Compressors, Ventilation • Energy Creation: Windmills, Hydroelectric, Solar Panel

Positioning • Explosion Proof: Petroleum, Gasoline, Flour/Feed Mills,

Grain Elevators• Multi Faceted Product that can be used in Various

Industries9