High power hydrostatic transmission for luxury car, bus and truck
Client / Market
- City bus, SUV, mid-large commercial vehicle and agricultural machinery
Necessity of this Technology
- Comparison of hydrostatic transmission by type
| Performance/Transmission |
Hydraulic |
Toroidal |
Belt |
Chain |
| Torque |
High |
High |
Low |
High |
| Complexity |
High |
Moderate |
Moderate |
Moderate |
| Weight |
High |
Medium |
Medium |
Medium |
| Efficiency High |
High |
High |
High |
High |
Technical Differentiation
- Improve convenience of driver of agriculture machines and mid, large-sized
vehicles with poor driving condition
- Developed a continuously variable transmission for bus and truck
- Maximum power: 380 horsepower
- Maximum torque: 140 kgf·m
- Maximum speed: 2,700 rpm
- Power delivery efficiency: Over 80% in the key performance section
- Noise: Below 90 dB
- Target durability: 200,000 km
- Weight: 130 kg
- A fuel saving approximately by 10 to 25%; outstanding mobility at a low speed, barely
any transmission shock; achieves enhanced fuel efficiency and reduced exhaust gas
by linking the driving condition with the optimal fuel range of the engine
Excellence of Technology
- Equipped with a hydrostatic device-related technology
- Variable displacement hydraulic pump technology
- Regulator technology for a variable displacement hydraulic pump
- Fixed displacement hydraulic motor technology
- Hydraulic pressure control valve technology
CURRENT INTELLECTUAL PROPERTY RIGHT STATUS
PATENT
- Bent Axis Type Hydrostatic Transmission (KR1289308)
- Axial Piston Pump (KR1388001)
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