Archive for Watt

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1712 – atmospheric engine

In 1712, Thomas Newcomen improved on Savery’s miner’s friend by adding a piston driven by a rod, which was probably designed early by Dennis Papin. Newcomen applied Papin’s design into a working industrial engine which he called the “atmospheric engine”. PRECURSOR: miner’s friend CONCURRENT: Papin SUBSEQUENT: Watt

1698 – miner’s friend

In 1698 Thomas Savery patented a steam powered pump which he called “the miner’s friend” because it was intended to help pump water out of mines. He may have copied the design from a previously published book by Edward Somerset. The device had no piston and almost no moving parts, working through the expansion and […]

1769 – steam engine

The first primitive steam engines were invented by Thomas Savery and Thomas Newcomen and used to pump water from mines. In 1769, James Watt filed a patent for his improvements to the design of the steam engine which included; oil lubrication, insulation of the cylinder, and a separate condensing chamber. These improvements greatly increased the […]