Valmet Introduces New Coupling To Improve Safety

Valmet Power Transmission Inc. has introduced a new coupling solution which it said will increase machinery related safety and operation economy, allowing for a possible boost to the total propulsive power. The new concept features a combination of multi-disc clutch and a gear coupling which have been built together with a Valmet gearbox (see diagram). It forms a versatile system that functions reliably in the following operation modes: normal drive; shaft generator drive in port; emergency operation; and booster drive.

In normal drive at sea, when the entire propulsion system is operative, both of the couplings are engaged. The CP propeller is driven by the main diesel engine and part of the engine power can be supplied to the shaft generator to produce electricity. When the ship calls at a port and additional electrical power is needed for loading or unloading of cargo, shipboard power can be engaging the gear coupling. With the multi-disc clutch disengaged the propeller does not run.

For m o r e i n f o r m a t i o n on V a l m et Circle 1 5 2 o n Reader Service C a rd