 | Dionysius Lardner - 1828 - 234 sivua
...assumes the position represented in fig. 52, so that the nil-am now passes from above the piston through the tube H into the chimney, while steam also passes...60 to 80 Ibs. on the square inch. As the boilers of high pressure engines are more liable to accidents from bursting than those in which steam of a lower... | |
 | Dionysius Lardner - 1828 - 222 sivua
...the position represented in fig. 52, so that the steam now passes from above the piston through 148 the tube H into the chimney, while steam also passes...This valve is frequently loaded with from 60 to 80 lbs. on the square inch. As the boilers of high pressure engines are more liable to accidents from... | |
 | Richard Dennis Hoblyn - 1842 - 332 sivua
...of this power is necessarily expended in merely balancing the pressure of the atmosphere ; and it is the excess of the pressure of the steam above that of the atmosphere which constitutes its power to produce motion. On the other hand, the condenser, the air-pump, the... | |
 | Dionysius Lardner - 1848 - 138 sivua
...indicator, by opening the stop-cock d such steam will press the piston upwards, and compress the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the... | |
 | Thomas Baker - 1852 - 260 sivua
...indicator, by opening the stop-cock d, such steam will press the piston upwards, and compress the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the... | |
 | Thomas Baker - 1852 - 260 sivua
...indicator, by opening the stop-cock d, such steam will press the piston upwards, and compress the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the... | |
 | Thomas Baker - 1852 - 276 sivua
...indicator, by opening the stop-cock d, such steam will press the piston upwards, and compress the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the... | |
 | Dionysius Lardner - 1854 - 150 sivua
...indicator, by opening the stop-cock d such steam will press the piston upwards, and compress the spring with a force equal to the excess of the pressure of the steam above that of the Fig. 1. Fig. 1 atmosphere. "When, on the other hand, a vacuum is produced in the cylinder by the condensation... | |
 | 1862 - 966 sivua
...indicator, by opening the stop-cock d, such steam will press the piston upwards, and cempress the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the... | |
 | Aide-mémoire - 1862 - 506 sivua
...opening the stop-cock d, such steam will press the piston upwards, and cempress the spring with a foree equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum ia produced in the eylinder by the condensation of the steam, the... | |
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... the spring with a force equal to the excess of the pressure of the steam above that of the atmosphere. When, on the other hand, a vacuum is produced in the cylinder by the condensation of the steam, the same vacuum will be produced under the piston... 