RENK tunnel gearbox, SHH type
The RENK tunnel gearboxes mounted in the propeller shaft – as free-standing, independent units – reduce the speed of the electric motor to the propeller speed in the electric operating state and accelerate the speed of the drive machine to match that of the PTO generator in the PTO (power take-off) operating state. RENK tunnel gearboxes – supplemented with an extremely flexible coupling – have already proven their durability and reliability in more than one hundred systems. The tunnel gearbox therefore enables increased efficiency in the PTO operating state at a low propeller speed (at approx. 60% of the nominal speed).
During maintenance, the system can be easily disengaged via a flexible coupling so that the propeller can be freely operated with the drive machine. Our gear units stand out for their compact and efficient design.
Features
- Generation of electrical energy via drive machine with low speed
- Reduced fuel costs thanks to efficient use of the drive machine
- Shutdown of the diesel generator at sea
- Savings on costs for maintenance and spare parts
- Use of a standard high-speed generator
- Installation of the tunnel gearbox behind the flywheel of the drive machine
- Free-standing, independent gear unit system with integrated oil system
- Flexible coupling protects the generator and the gearbox against torsional vibrations
- Available with a horizontal offset, offset at an angle of 45° to the horizontal line, or with a vertical offset
Downloads
- MARHY - Maritime hybrid drive (1.4 MB)
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