History and Progress of the Steam Engine: With a Practical Investigation of Its Structure and ApplicationThomas Kelly, 1839 - 859 σελίδες |
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Σελίδα 41
... closed , another passage was opened between the boiler and cylinder s ; the elasticity of the steam forces the piston d upwards , and depresses the plunger at the end of the rod l , and impels the water , in the barrel p under it , up ...
... closed , another passage was opened between the boiler and cylinder s ; the elasticity of the steam forces the piston d upwards , and depresses the plunger at the end of the rod l , and impels the water , in the barrel p under it , up ...
Σελίδα 66
... closed by a valve ; but if the engine descends so low as to strike on the spring beam , a catch pin on the beam strikes a small lever , and by a wire of communica- tion opens the valve , and lets the steam into the lower part of the ...
... closed by a valve ; but if the engine descends so low as to strike on the spring beam , a catch pin on the beam strikes a small lever , and by a wire of communica- tion opens the valve , and lets the steam into the lower part of the ...
Σελίδα 67
... closed by a valve ; but if the engine descends so low as to strike on the spring beam , a catch pin on the beam strikes a small lever , and by a wire of communica- tion opens the valve , and lets the steam into the lower part of the ...
... closed by a valve ; but if the engine descends so low as to strike on the spring beam , a catch pin on the beam strikes a small lever , and by a wire of communica- tion opens the valve , and lets the steam into the lower part of the ...
Σελίδα 89
... closed , and that the steam has alternate communication with the cylinder above and below the piston , just contrary to that of Newcomen . " To detail the true nature of all this , would be tire- some to your lordship ; and , as Mr ...
... closed , and that the steam has alternate communication with the cylinder above and below the piston , just contrary to that of Newcomen . " To detail the true nature of all this , would be tire- some to your lordship ; and , as Mr ...
Σελίδα 122
... closed , and vice versa . These valves are balanced and held in trunnions , so that , in every situation of the dia- phragms , they may uniformly obey the impulse by whic they are opened and shut ; the manner in which that is effected ...
... closed , and vice versa . These valves are balanced and held in trunnions , so that , in every situation of the dia- phragms , they may uniformly obey the impulse by whic they are opened and shut ; the manner in which that is effected ...
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admitted aperture apparatus applied atmosphere attached axis axle bars beam boiler bottom cause centre chimney circular cistern coal cock communication condenser connected connecting rod construction crank cylinder descend described diameter eduction effect elastic equal escape expansion experiments feet fire fixed flue fluid fly-wheel force friction frustrum fuel furnace groove heat hole hollow horizontal improvements inch inches of mercury inclined plane injection invention iron Jacob Perkins lever Liverpool London lower machine machinery means metal motion moving packing paddle-wheel paddles pass patent piston rod placed plate pounds pressure prevent produced propelling pump purpose quantity rail rail-way represents revolving ring rotary engine rotatory round screwed shaft shut side sliders sliding smoke steam boats steam carriage steam engine steam pipe stroke stuffing box supply surface temperature tion tube turn upper vacuum valve vapour velocity vertical Watt weight wheel