The Marine Steam Engine ...Longmans, 1899 - 519 páginas |
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Página 4
... allow the necessary oscillation to suit the motion of the crank . The trunnions are hollow , and the steam is admitted to and exhausted from the cylinders through them . In this type of engine space and weight have been economised as ...
... allow the necessary oscillation to suit the motion of the crank . The trunnions are hollow , and the steam is admitted to and exhausted from the cylinders through them . In this type of engine space and weight have been economised as ...
Página 6
... Before long , however , such improvements in workmanship and mechanical details were effected , that the speeds both of piston and of revolution could be sufficiently increased to allow direct engines 6 THE MARINE STEAM - ENGINE.
... Before long , however , such improvements in workmanship and mechanical details were effected , that the speeds both of piston and of revolution could be sufficiently increased to allow direct engines 6 THE MARINE STEAM - ENGINE.
Página 7
Richard Sennett, H. J. Oram. of revolution could be sufficiently increased to allow direct engines to be fitted . In these the gearing is left out , and the crank - shaft con- nected direct to the screw shafting . In many marine engines ...
Richard Sennett, H. J. Oram. of revolution could be sufficiently increased to allow direct engines to be fitted . In these the gearing is left out , and the crank - shaft con- nected direct to the screw shafting . In many marine engines ...
Página 10
... allow for considerable expansion at full power , and the boilers were fitted with superheaters . The average weight of the machinery of this type , including the water in boilers . and condensers , was about 3 cwts . per I.H.P. Compound ...
... allow for considerable expansion at full power , and the boilers were fitted with superheaters . The average weight of the machinery of this type , including the water in boilers . and condensers , was about 3 cwts . per I.H.P. Compound ...
Página 17
... allowed , but this is not now recommended . From this brief sketch a general idea may be formed of the pro- gress that has been made in marine engineering . The machinery of the Salamander , ' built in 1832 , weighed 275 tons ...
... allowed , but this is not now recommended . From this brief sketch a general idea may be formed of the pro- gress that has been made in marine engineering . The machinery of the Salamander , ' built in 1832 , weighed 275 tons ...
Otras ediciones - Ver todas
The Marine Steam Engine: A Treatise for Engineering Students, Young ... Richard Sennett Sin vista previa disponible - 2018 |
The Marine Steam Engine: A Treatise for Engineering Students, Young ... Richard Sennett Sin vista previa disponible - 2016 |
Términos y frases comunes
action air-pump amount angle arrangement auxiliary Belleville boiler bilge blades boilers bottom cause cent centre coal cock combustion chamber compound engines compression condenser connected considerable crank crank-shaft Crown 8vo curve diameter drain draught eccentric efficiency evaporation exhaust expansion engines Fahr feed-water fire fitted friction funnel furnace gases gauge gear gunmetal heating surface high-pressure cylinder holes horizontal Illustrations increased indicator diagram initial pressure jacket lever low-pressure cylinder manganese bronze marine engines mean effective pressure motion necessary obtained orifice paddle-wheel piston plates ports position practice prevent propeller pump quantity rate of expansion reduced revolutions per minute riveted Royal Navy safety valves screw sea-water shaft ship shown in Fig side slide-valve space speed square inch steam pipes steam pressure steel stokehold stroke suction surface condensers temperature triple expansion engines tubes vertical vessels volume water-tube boilers weight
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Página 142 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner as the pressure of the atmosphere is now employed in common...