Lubrication of cylinders of large diesel engines, such as marine engines
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United States of America Patent
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Aug 26, 2014
Grant Date -
May 17, 2012
app pub date -
Jun 18, 2010
filing date -
Jun 23, 2009
priority date (Note) -
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Abstract
There is disclosed a method for cylinder lubrication of large diesel engines, such as marine engines. Injection of lubricating oil is performed via a number of injection units that correspond to a multiple of the cylinder number in the engine. There is desired an efficient distribution of the lubricating oil, not only across the periphery of the cylinder, but also across the travel of the piston in the cylinder in order thereby to reduce the consumption of lubricating oil. This is achieved in that lubricating oil is supplied by a combination of injection of a first part of the lubricating oil directly on a ring area of the cylinder wall before the passage of the piston and an injection of a second part of the lubricating oil directly onto the piston during its passage.
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