The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 3
... piston - rod is fixed a crosshead with side - rods , s , attached at each end , which , passing down on either side of the cylinder , are connected to the ends , A , of a beam or side - lever , A B , oscillating on a fulcrum or gudgeon ...
... piston - rod is fixed a crosshead with side - rods , s , attached at each end , which , passing down on either side of the cylinder , are connected to the ends , A , of a beam or side - lever , A B , oscillating on a fulcrum or gudgeon ...
Página 4
... piston - rods from the two cylinders being connected to a single cross- head . In order to get sufficient length of connecting - rod , the cross- head was of peculiar form and passed down between the cylinders , having a journal at its ...
... piston - rods from the two cylinders being connected to a single cross- head . In order to get sufficient length of connecting - rod , the cross- head was of peculiar form and passed down between the cylinders , having a journal at its ...
Página 7
... piston speeds are as high as from 800 to 950 ft . per minute at the maximum power , while in the fast - running ... piston , and working through a steam - tight stuffing - box on the end of the cylinder , was substituted for the piston ...
... piston speeds are as high as from 800 to 950 ft . per minute at the maximum power , while in the fast - running ... piston , and working through a steam - tight stuffing - box on the end of the cylinder , was substituted for the piston ...
Página 10
... piston speeds were also considerably increased , especially in the larger ships in which a long stroke could be obtained . With this type of engine the mean piston speeds varied from 500 to 665 ft . per minute . To promote economy of ...
... piston speeds were also considerably increased , especially in the larger ships in which a long stroke could be obtained . With this type of engine the mean piston speeds varied from 500 to 665 ft . per minute . To promote economy of ...
Página 29
... piston , the weights added , and the atmospheric pressure . This pressure is represented by P pounds per square inch on the piston . In Fig . 13 three stages in the process of applying heat to the bottom of the cylinder are shown ...
... piston , the weights added , and the atmospheric pressure . This pressure is represented by P pounds per square inch on the piston . In Fig . 13 three stages in the process of applying heat to the bottom of the cylinder are shown ...
Términos y frases comunes
action air-pump amount angle arrangement auxiliary Belleville boiler bilge blades boilers bolts bottom cause cent centre coal cock combustion chamber compound engines compression condenser connected considerable crank crank-shaft Crown 8vo curve diameter 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 hydrometer Illustrations increased indicator diagram jacket length lever low-pressure cylinder main engines manganese bronze mean effective pressure motion necessary obtained ordinary orifice paddle-wheel piston plates ports position practice prevent propeller pump quantity rate of expansion reduced revolutions per minute riveted Royal Navy screw sea-water shaft ship shown in Fig side slide-valve space speed square inch steam pipes steam pressure steel stokehold stroke suction sufficient surface condensers temperature triple expansion engines tubes vertical vessels volume water-tube boilers weight zinc
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Página 144 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it ; first, by enclosing it in a case of wood, or any other materials that transmit heat slowly ; secondly, by surrounding it with steam, or other heated bodies ; and, thirdly, by suffering neither water, nor any other substance colder than the steam, to enter or touch it during that time...
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