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 26
... motion . This he called a " scogger . " With this addition , Newcomen's engine approached very nearly to a self - acting one ; but still the turning of cocks and filling of reservoirs was obliged to be in part left to careless men , and ...
... motion . This he called a " scogger . " With this addition , Newcomen's engine approached very nearly to a self - acting one ; but still the turning of cocks and filling of reservoirs was obliged to be in part left to careless men , and ...
Σελίδα 30
... motion of the working beam . h , the handle of the steam cock , or regulator . It is fixed to the regulator by a spindle , which comes through the top of the receiver . The regulator itself is a sectorial plate of brass , shaped like a ...
... motion of the working beam . h , the handle of the steam cock , or regulator . It is fixed to the regulator by a spindle , which comes through the top of the receiver . The regulator itself is a sectorial plate of brass , shaped like a ...
Σελίδα 39
... motion differs greatly from the descent ; it can hardly be supposed to accelerate it , even if the steam were supplied to the cylinder in ever such quantity ; for the resistance to the descent of the pump bucket is the same with the ...
... motion differs greatly from the descent ; it can hardly be supposed to accelerate it , even if the steam were supplied to the cylinder in ever such quantity ; for the resistance to the descent of the pump bucket is the same with the ...
Σελίδα 44
... motion to machinery ; Savery , indeed , says his machine might be applied " to mills of various kinds and forms , according to the different genius and abilities of the millwright ; " and that " it may be brought to work by a steady ...
... motion to machinery ; Savery , indeed , says his machine might be applied " to mills of various kinds and forms , according to the different genius and abilities of the millwright ; " and that " it may be brought to work by a steady ...
Σελίδα 46
... motion may be obtained from a rectilineal one , by employing a combination of large toothed wheels , and of smaller ratchet wheels , worked by teeth upon the arch or sector of the beam , one of these ratchet wheels being put in motion ...
... motion may be obtained from a rectilineal one , by employing a combination of large toothed wheels , and of smaller ratchet wheels , worked by teeth upon the arch or sector of the beam , one of these ratchet wheels being put in motion ...
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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