Development Milestones
- 43+ years of collective experience in designing and developing power transmission devices and gear systems
- Development of power pesticide sprayers, seeders, and tractor transmissions
- Development of 1-ton fork shift and axle parts for Hyundai Motor Company
- Development of Korea’s first Hemming Machine
- Development of Hyundai Heavy Industries Power Transmission, electric work vehicles, e-wheelchairs, and agricultural machinery
- Development of general industrial machinery
- Development of power transmissions for electric vehicles with patent registrations
List of Patents Owned
- Gear orifice system with free zone
- Viscosity damper in elliptical housing with planetary gear systems for emergency escape stairs
- Drive unit of the electric switch gear
- Power transmission of an electric vehicle
- Reducer systems
- Compound planetary gear system of the No-Back-Device
- Limit-powertrain of the dual-axis electric switch gear
- Differential gear and reduction gear installation structure for electric vehicles
- Automatic opening and closing device for a greenhouse with ball ramp brake
- Automatic opening and closing device of positive and negative rotation type with ball ramp brake
- Powertrain housing installation structure for electric vehicle
- Active two-stage reduction device
- 2-stage variable speed rotary transmission device
- Planetary gear system
- Trans axle for electric vehicles equiped with hollow-shaft type motor
- Reduction device to prevent rotational backflow
- Limit adjust device using planetary gear
- Intergrated accelerator viscous fluid damper for emergency escape stair
- Free fall control using viscous fluid and mechanical self-locking reducer for emergency escape stair
- 2-stage variable electric actuator
- One-way or two-way No-Back-System
- Air balance hoist
- Cycloid reducer
Power transmission systems for EVs
Features- The only patented product globally
- Functions quietly and reliably, thanks to the planetary reducer
- Exceptional durability
- Quickly adapts to variations in motor output and gear reduction ratio
- Ideal for maintaining vehicle weight balance with a symmetrical design on either side
- Motor output range: 5 kW ~ 15 kW
- Reduction ratio application range: 1/5 ~ 1/15
- Applicable electric vehicles: 3-wheel, 4-wheel type cargo and passenger vehicles, E-rickshaw
- Track type moving device: Agricultural track car, and industrial track car
- Special-purpose electric vehicles: Vacuum cleaner robot, Golf Car, and Leisure vehicle

Pre-assembly product image

Onboard view of the powertrain assembly to a 3-wheeler EV

Frontal image after assembly work as a powertrain is done
Automatic 2-Speed Transmission: 2-speed variable reducer development project
Field of Application- Electric Actuator
- Automatic Switch for Variable Power
- Electric Work Vehicle
- Power Lift
- Industries or fields where productivity enhancement and energy efficiency are simultaneously imperative
Mechanical No-Slip Systems
Field of Application- Winch
- Automatic Opener for Smart Farm
- Step Mill
- One-way and two-way gravity anti-slip device
- Anti-slip devices for electric commercial vehicles, designed for a single wheel.
