The most efficient method of lubricating the cylinders of steam engines is to employ an atomizer in the steam flow, situated a little distance before it enters the steam cylinders, and thus inject the oil in the form of a spray so that the steam carries it to the cylinder walls and valves. In other words, the steam is made to act as a lubricant. In this way there should be no part that comes into contact with oil that is unlubricated and, furthermore, this is not only the most efficient method of lubricating a steam engine, it is also the most economical, since only small quantities are required of the finely atomized oil. It is possible to lubricate a number of pumps or several high and low pressure steam cylinders from a single feed lubricator in this way.
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