The Slide Valve Practically ConsideredE. & F.N. Spon, 1865 - 76 sider |
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Side 10
... facts must be considered : -ratio of supply to exhaust , width of bar , and outside lap of the valve . The first is determined from the speed of the piston and pressure of the steam ; the second from the thickness of the metal of the ...
... facts must be considered : -ratio of supply to exhaust , width of bar , and outside lap of the valve . The first is determined from the speed of the piston and pressure of the steam ; the second from the thickness of the metal of the ...
Side 15
... fact . Yet , withal , there is , per- haps , an atmosphere of mystery pervading the region alluded to , only to be dispelled by prac- tice and thought . It may as well be added that the two proportions last mentioned will be re- verted ...
... fact . Yet , withal , there is , per- haps , an atmosphere of mystery pervading the region alluded to , only to be dispelled by prac- tice and thought . It may as well be added that the two proportions last mentioned will be re- verted ...
Side 36
... fact which rendered clear the cause of the incapacity of the engine . On adding to 2 the length of the valve the result was quite satisfactory . Not long since a similar result was attained by reducing or plugging the width of the ports ...
... fact which rendered clear the cause of the incapacity of the engine . On adding to 2 the length of the valve the result was quite satisfactory . Not long since a similar result was attained by reducing or plugging the width of the ports ...
Side 41
... fact , is the most important feature of the formula . This is , of course , correct when the widths of the ports are not known , and the travel of the valve is assumed . Now the ports are generally deter- mined before the valve and gear ...
... fact , is the most important feature of the formula . This is , of course , correct when the widths of the ports are not known , and the travel of the valve is assumed . Now the ports are generally deter- mined before the valve and gear ...
Side 42
... fact is the only sound basis for a correct mathematical pro- blem or diagram that can give the required result . Now , let it be required to find the lap of valve to cut off at one - sixth of the stroke of the piston ; first , find the ...
... fact is the only sound basis for a correct mathematical pro- blem or diagram that can give the required result . Now , let it be required to find the lap of valve to cut off at one - sixth of the stroke of the piston ; first , find the ...
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Vanlige uttrykk og setninger
action alluded angle arcs passed arrangement Arthur Phillips attained Bashforth Boilers BUCKLERSBURY centre line chord circle cloth connecting rod constant number correct crank pin diagram diameter dimensions engravings equal example exhaust port exhaust side exhaust space F. N. SPON foot formula friction full stroke gine given grade of expansion half stroke half travel hence inch indicator diagram Institute Civil Engineers intersection Jonathan Hulls Joseph Gibbs LAND AND MARINE large bar lead length MARINE ENGINES minus inside lap morocco motion N. P. BURGH opening caused piston plane line plates port supply pressure presumed proportion Railway ratio readily understood reduced result royal 8vo Scale 1-in Screw Screw Propeller sewed shaft sion space in valve Steam Engine steam port stuffing box SUGAR MACHINERY supply port supply steam Surface Condensation tion U.S. Navy valve and ports valve facing valve width versed sine Width of exhaust width of opening Zerah Colburn