positive pressure lubrication

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• Oil pressure — is an important factor in the longevity of most internal combustion engines. With a forced lubrication system (invented by Frederick Lanchester), oil is picked up by a positive displacement oil pump and forced through oil galleries (passageways)… …   Wikipedia

• Lincoln Industrial Corporation — (Lincoln) is a manufacturer of automated lubrication systems, manual lubrication equipment and industrial pumping systems. Founded in 1910, the company has been responsible for many of the inventions that established modern lubrication practices… …   Wikipedia

• Dry sump — A dry sump is a lubricating motor oil management method for four stroke and large two stroke piston internal combustion engines that uses external pumps and a secondary external reservoir for oil, as compared to a conventional wet sump system.… …   Wikipedia

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• oil tank pressurizing valve — A check valve in the oil tank vent system that maintains an air pressure normally between 3 and 6 psi on the oil. This ensures that oil is supplied to the engine driven oil pump under positive pressure at all altitudes. A typical dry sump… …   Aviation dictionary

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