Browse Publications Technical Papers 2007-01-3445
2007-08-05

Performance Characteristics of Motor-Driven Cylinder Lubricator Using the Electronically Controlled Quill System with an Accumulating Distributor in a Large Two-Stroke Diesel Engine 2007-01-3445

Minimizing the cylinder wear and the consumption rate of cylinder oil in a large two-stroke diesel engine is of great economic importance. A motor-driven cylinder lubricator for Sulzer RT-flex large two-stroke diesel engines developed by authors is in need of mounting a quill system to lubricate cylinder parts for smoother operation. In order to apply a common-rail lubricating system to the developed cylinder lubricator as the second research step, the mechanical quill system with a progressively quantitative distributor is improved in the electronically controlled quill system with an accumulating distributor. In this study, the effects of lubricator motor speed, plunger stroke and cylinder back pressure on oil feed rate, maximum discharge and delivery pressures are experimentally investigated by using the electronically controlled quill system with an accumulating distributor in the developed cylinder lubricator. It is found that the oil feed rate of the electronically controlled quill system with an accumulating distributor is larger than that of the mechanical quill system with a progressively quantitative distributor owing to the increase of delivery velocity and volume by changing the emplacement of accumulator in the same experimental conditions.

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