Dictionary of automotive terms. 2015.
hydrodynamic lubrication system — A type of lubrication system in which the surfaces to be lubricated are separated by a substantial quantity of oil. The oil has the effect of keeping the two surfaces apart. Also called fluid film lubrication. Hydrometer measuring density of a… … Aviation dictionary
dry sump (lubrication) system — An engine lubrication system in which the lubricating oil is carried in an external tank and not internally in a sump. The sump is kept relatively free from oil by scavenging pumps, which return the oil to the tank after cooling. The opposite of… … Aviation dictionary
expendable lubrication system — The expendable, or total loss, lubrication system is the one in which the oil is spilled overboard after it has lubricated the engine … Aviation dictionary
hot-tank lubrication system — A lubrication system of gas turbine engines in which hot oil from the engine is returned to the tank without cooling … Aviation dictionary
system — An orderly, interconnected, complex arrangement of parts. See accumulator system air filtration system air injection reaction system air system alarm system anti dive system anti lock brake system anti noise system … Dictionary of automotive terms
oil jet lubrication system — A method of cooling and lubricating the main bearings, in which jets of oil are placed close to the bearings and directed into the clearance spaces … Aviation dictionary
lubrication — See lubricate. * * * Introduction of any of various substances between sliding surfaces to reduce wear and friction. Lubricants may secondarily control corrosion, regulate temperature, electrically insulate, remove contaminants, or damp shock.… … Universalium
pressure lubrication — [1] Forced feed lubrication. [2] Lubrication system with crankcase scavenging. Fresh oil is supplied from a separate container and lubricates the engine components as it passes through the crankcase. The oil is ignited along with the air/fuel… … Dictionary of automotive terms
cold tank system — A lubrication system in which the oil cooler is located in the scavenge oil subsystem. The oil passes through the cooler and returns to the tank cooled. A typical turbojet cold tank (dry sump) lubrication system … Aviation dictionary
wet sump lubrication — The usual engine lubrication system in which the oil is carried in a pan below the crankshaft. Such a system relies on gravity draining the circulated oil and needs no return pump … Dictionary of automotive terms
