 | Edward Spon, Oliver Byrne, Ernest Spon, Francis N. Spon - 1874 - 396 pagina’s
...the cylinder by throttling, or by the insufficient area of the ports, proper allowance being made fur the difference of pressure necessary to give the required...the steam in the pipe ; whilst the space between the lino of counl erpressure and the line of perfect vacuum shows the amouut of resistance to the motion... | |
 | Thomas Liddell Ainsley - 1880 - 866 pagina’s
...remainder is the total attainable vacuum at that pretturc. The space between the steam line Ь to с and the line of boiler pressure shows how much the...necessary to give the required motion to the steam, and that between the line of counter pressure e to /, and the line of perfect vacuum, shows the amount... | |
 | Charles Talbot Porter - 1880 - 220 pagina’s
...the steam line and the line of boiler pressure shows how much the pressure is reduced in the*ylinder by throttling, or by the insufficient area of the...for the difference of pressure necessary to give the rapid motion to the steam, and that between the line of counter-pressure and the line of perfect vacuum... | |
 | William Barnet Le Van - 1889 - 524 pagina’s
...measurement is, to measure the pressure of steam from the line of perfect vacuum, when the line of 15 pounds pressure will come a little above the atmospheric...amount of resistance to the motion of the piston. On diagrams for non-condensing engines, the line of boiler pressure should also be drawn at the top,... | |
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... pressure will come a little above the atmospheric line, but it is more convenient, and answers all the purposes of the diagram better, to measure each way from the latter. The space above the steam line and between this and the line of boiler pressure... 