Reduction gearbox for ships
(for emergency propulsion) A Friedr Flender

Generator gearboxes for the generation of inexpensive on-board current are built as separate gearboxes in connection with low-speed diesel engines, and are arranged in the propeller shaft line or on the main engine face. The most varied systems are available.

Flender has also built such systems as two-speed generator gearboxes for PTO/PTI operation.

On the one hand they are used for generating on-board current in PTO operation; on the other hand they can be used in PTI/PTH operation in emergency cases to ensure redundant propulsion capability, the generator becoming a motor and the diesel engine being disconnected by means of a clutch.

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