The Slide-valve and Its Functions: With Special Reference to Modern Practice in the United States; with Ninety Diagrams and Illustrations |
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Page 4
... equal halves , each of which will take care of the steam on one side of the piston ; and in order to place the back pressure in its proper relation to the forward stroke , it is only necessary to consider the exhaust- action in reversed ...
... equal halves , each of which will take care of the steam on one side of the piston ; and in order to place the back pressure in its proper relation to the forward stroke , it is only necessary to consider the exhaust- action in reversed ...
Page 7
... equal to the distance L. Thus the length of the period during which steam is admitted depends on the amount of lap , for the valve must move from its middle position a distance equal to the lap before it uncovers the steam - port , and ...
... equal to the distance L. Thus the length of the period during which steam is admitted depends on the amount of lap , for the valve must move from its middle position a distance equal to the lap before it uncovers the steam - port , and ...
Page 9
... equals half travel of valve . THE VALVE - MOTION IN RELATION TO THE PISTON - MOTION . The main object of the discussion so far has been to es- tablish a clear conception of the simple relationship which exists between laps and periods ...
... equals half travel of valve . THE VALVE - MOTION IN RELATION TO THE PISTON - MOTION . The main object of the discussion so far has been to es- tablish a clear conception of the simple relationship which exists between laps and periods ...
Page 14
... equal to the angular advance of the eccentric , without disturbing the crank , all the points in the circumference will be placed in the same position relative to 4 Lead Angle of Crank Exh . Steam Steam Lap Opening Lap Increased Port ...
... equal to the angular advance of the eccentric , without disturbing the crank , all the points in the circumference will be placed in the same position relative to 4 Lead Angle of Crank Exh . Steam Steam Lap Opening Lap Increased Port ...
Page 19
... equal to one - tenth of the piston area ; but occasional experiences indicate that , if the pas- sages are short , a ... equals 3,000 times the cube root of the diameter in inches . For an 8 - inch cylinder this would make the mean ...
... equal to one - tenth of the piston area ; but occasional experiences indicate that , if the pas- sages are short , a ... equals 3,000 times the cube root of the diameter in inches . For an 8 - inch cylinder this would make the mean ...
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Common terms and phrases
2d edition 4th edition admit steam central position chest-piston circle compression Construction Corliss Corliss valves crank crank-end cut-off eccentric cut-off port cut-off valve D. K. Clark dead center diameter Drawing early cut-off eccen eccentric-rod Engines and Boilers equal exhaust closure exhaust opening exhaust period exhaust-lap exhaust-port exhaust-valve high-pressure cylinder Illustrated indicator diagram latest cut-off lead live steam Locomotive London low-pressure cylinder Machinists main eccentric main port main valve Mechanical movable seat move negative lap opening and closing opposite period of admission piston piston-stroke piston-valve plates point of cut-off port edges port is closed port-opening Practical pressure pressure-plate pump range of cut-off release represents revolutions per minute ring rocker shown in Fig side slide slide-valve stationary steam and exhaust Steam Boilers Steam Engine steam is admitted steam is cut steam-chest steam-passages steam-port steam-pressure Straight-Line stroke throw tion Treatise valve diagram Valve Gear valve-faces valve-gear valve-motion valve-seat York