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Engines for the same period has increased about 39 579 h.p. To 61 586 h.p. [A. J.
Taylor, "Concentration and Specialisation in the Lancashire Cotton Industry,
1825 - 1850 ", Economic History Review 1, 2:115].
The steam engine
Steam engine Njukomena have started to use in England since 1725 for
- waters from mines and for some other purposes. Its main detail was
The piston moving in the big vertical cylinder. Pressure of steam,
Submitted to the cylinder from a copper, lifted the piston. Injection of cold water
Besieged steam and created in the cylinder vacuum. Atmospheric pressure lowered
The piston downwards, and the engine was ready to new injection of steam.
Though the atmospheric engine has appeared the first, it is considered to be the inventor
James Uatta's steam engine. Really, he has managed - through fifty
Years after introduction in engine Njukomena operation - so to change
Design that coal consumption was reduced to two thirds. Efficiency
Has raised at the expense of use of the separate cylinder for steam condensation.
The vacuum sucked away steam from the main cylinder in that point of a cycle, when in the engine
- water for steam cooling there moved. Thanks to it in
Engine Uatta the main cylinder remained constantly hot and submitted there
Steam in ready smaller degree was spent for a repeated warming up of the cylinder.
- has entered a number of other changes and improvements into the steam engine, in that
Number: use of pressure of steam for piston giving in both directions
(Two-stroke engine); fast injection of steam in the main cylinder that
Allowed to push the piston with force of expansion of steam; a centrifugal regulator for
Managements of steam injection at different loadings; creation of the mechanism for
Transformations of back and forth motion of the piston to the rotary
Flywheel movement - just that was necessary for rotation of machine tools. To 1790
To year it has improved a design and has created widely applicable and useful
- did not believe in possibility of use of steam of a high pressure, as
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