Thomas Savery
Thomas Savery (towards 1650 - 1715) was an English mechanic, manufacturer of steam engines
In 1698, Thomas Savery deposits a Brevet on a pump intended for the Mining, running on the vapor, directly inspired by work of Edward Somerset: it is about the first steam engine which really functioned.
The principle in is simple and based on a container with two Soupape S. the Vapeur drives out the water of this container to the top, then the Vide created by the Condensation makes it possible to aspire the water which comes from bottom. It is thus about a machine without Piston, intended for only one use: the Pumping out of the water of the mines. It is probably after having seen this machine that Denis Papin, in 1707, had taken up its ideas and reintroduces the piston.
This machine was used to pump in the mines of Cornouailles. Although simplistic and greedy in Coal, it saved many mines of the ruin and opened the way with Denis Papin and especially with Thomas Newcomen towards a mechanization even more powerful.
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