January 19, 1736 in Greenock, near Glasgow (Scotland), born James Watt (James Watt). Most peopl" />

 Who invented the "horsepower"?

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  Who invented the "horsepower"? January 19, 1736 in Greenock, near Glasgow (Scotland), born James Watt (James Watt).
Most people consider him the inventor of the steam engine, but it's not quite true.

Steam engines, built by D. Papen, T. Severi, Polzunov, T. Nyukomenom started working in the mines long before AD Watt. They differ structurally, but the main thing about them was that the motion of the piston was caused by alternate heating and cooling of the working cylinder. Because of this, they have been slow and consumed a lot of fuel.
Performing the entire series of deep research and experiments, Watt in 1769, proposed (and patented) to produce cooling steam in a separate tank - the condenser, communicating with a cylinder. This immediately reduced the fuel consumption in four times and speeding up the machine dozens of times.

In 1784 Watt patented the steam engine double acting. It pairs a spool acted alternately on one, then the other side of the piston. This is doubled power of the machine, and most importantly - allowed to convert translational motion of the piston into rotary motion flywheel. With his rotation was possible to transmit through the belt on various machines and mechanisms, which significantly expanded the scope of steam engines.

One of the important mechanisms in the steam engine was a double-action mechanical rotary knob, which ensures the stability of its rotation and allowed to regulate the number of revolutions.

  Who invented the "horsepower"? James Watt by the end of 80 years of the XVIII century design a steam engine, as a universal engine for industry and transport, was finalized in the next 100 years, was the main driving force behind the development of capitalist production.

Watt designed a number of devices connected to the steam engine: an open mercury manometer, a mercury vacuum in the condenser, water-glass in boilers, pressure indicator. Invented by copying ink (1780), established the composition of water (1781). Watt owned and such important inventions, the world's first steam-hammer, and steam heat. Designed a number he and a few adding machines, copiers presses. He was a member of the Royal Society (1785), the Paris Academy of Sciences (1814).

It is interesting that in his time as a unit of power Watt, suggested such a unit as "horsepower". This measure has survived to our days. But in England, where Watt's revered as a pioneer of the industrial revolution, decided otherwise. In 1882 the British Association of Engineers decided to give his name to one of power. Now the name of James Watt can be read on any light bulb. This was the first in the history of technology, case assignment own name, unit of measurement. In this case, and the tradition of assigning proper names, units of measurement.