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Revision as of 00:05, 27 July 2001 by Mike Dill~enwiki (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)A device that converts the potential energy that exists as pressure in steam, and converts that to mechanical force. Early examples were the steam locomotive trains, and steam ships that relied on thses engines for movement.
The first steam device was invented by the Greeks before 300BC, but never utilized as anything other than a toy. Steam engines are of various types but most are recipirical piston or turbine devices.