DBpedia 2016-04

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Expansion_valve_(steam_engine) abstract "An expansion valve is a device in steam engine valve gear that improves engine efficiency. It operates by closing off the supply of steam early, before the piston has travelled through its full stroke. This cut-off allows the steam to then expand within the cylinder. This expanding steam is still sufficient to drive the piston, even though its pressure decreases as it expands. As less steam is supplied in the shorter time for which the valve is open, use of the expansion valve reduces the steam consumed and thus the fuel required. The engine (on 1875 figures) may deliver two-thirds of the work, for only one-third of the steam.An expansion valve is a secondary valve within a steam engine. They represent an intermediate step between steam engines with non-expansive working and later valve gears that could provide for expansion by controlling the motion of a single valve.Expansion valves were used for stationary engines and marine engines. They were not used for locomotives, although expansive working was achieved by the use of the later variable expansion valve gears.".
Expansion_valve_(steam_engine) thumbnail Cross_compound_engine,_plan_section_(Heat_Engines,_1913).jpg?width=300.
Expansion_valve_(steam_engine) wikiPageID "19451462".
Expansion_valve_(steam_engine) wikiPageLength "14649".
Expansion_valve_(steam_engine) wikiPageOutDegree "49".
Expansion_valve_(steam_engine) wikiPageRevisionID "671464840".
Expansion_valve_(steam_engine) wikiPageWikiLink Boyles_law.
Expansion_valve_(steam_engine) wikiPageWikiLink Bronze.
Expansion_valve_(steam_engine) wikiPageWikiLink Cam.
Expansion_valve_(steam_engine) wikiPageWikiLink Cam_valve_gear.
Expansion_valve_(steam_engine) wikiPageWikiLink Cast_iron.
Expansion_valve_(steam_engine) wikiPageWikiLink Category:Engine_valves.
Expansion_valve_(steam_engine) wikiPageWikiLink Category:Steam_engine_technology.
Expansion_valve_(steam_engine) wikiPageWikiLink Centrifugal_governor.
Expansion_valve_(steam_engine) wikiPageWikiLink Coleham_Pumping_Station.
Expansion_valve_(steam_engine) wikiPageWikiLink Compound_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink Compound_steam_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink Cutoff_(steam_engine).
Expansion_valve_(steam_engine) wikiPageWikiLink Desmodromic_valve.
Expansion_valve_(steam_engine) wikiPageWikiLink Eccentric_(mechanism).
Expansion_valve_(steam_engine) wikiPageWikiLink Eccentric_valve_gear.
Expansion_valve_(steam_engine) wikiPageWikiLink Ferranti.
Expansion_valve_(steam_engine) wikiPageWikiLink Ferranti_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink High-speed_steam_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink James_Watt.
Expansion_valve_(steam_engine) wikiPageWikiLink Jean-Jacques_Meyer.
Expansion_valve_(steam_engine) wikiPageWikiLink List_of_traction_engine_manufacturers.
Expansion_valve_(steam_engine) wikiPageWikiLink Marine_steam_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink McIntosh_&_Seymour.
Expansion_valve_(steam_engine) wikiPageWikiLink Midland_Railway_Paget_locomotive.
Expansion_valve_(steam_engine) wikiPageWikiLink Operating_temperature.
Expansion_valve_(steam_engine) wikiPageWikiLink Piston_valve_(steam_engine).
Expansion_valve_(steam_engine) wikiPageWikiLink Poppet_valve.
Expansion_valve_(steam_engine) wikiPageWikiLink Richard_Trevithick.
Expansion_valve_(steam_engine) wikiPageWikiLink Rolling_(metalworking).
Expansion_valve_(steam_engine) wikiPageWikiLink Samuel_Homfray.
Expansion_valve_(steam_engine) wikiPageWikiLink Slide_valve.
Expansion_valve_(steam_engine) wikiPageWikiLink Snibston.
Expansion_valve_(steam_engine) wikiPageWikiLink Stationary_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink Stationary_steam_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink Steam_engine.
Expansion_valve_(steam_engine) wikiPageWikiLink Steam_locomotive.
Expansion_valve_(steam_engine) wikiPageWikiLink Stephenson_valve_gear.
Expansion_valve_(steam_engine) wikiPageWikiLink Superheater.
Expansion_valve_(steam_engine) wikiPageWikiLink Tredegar_Iron_and_Coal_Company.
Expansion_valve_(steam_engine) wikiPageWikiLink Trip_valve_gear.
Expansion_valve_(steam_engine) wikiPageWikiLink Valve_gear.
Expansion_valve_(steam_engine) wikiPageWikiLink Wire-drawing_(steam_engine).
Expansion_valve_(steam_engine) wikiPageWikiLink File:Cross_compound_engine,_plan_section_(Heat_Engines,_1913).jpg.
Expansion_valve_(steam_engine) wikiPageWikiLink File:Expansion_valve,_Gimson_beam_engine,_Snibston.jpg.
Expansion_valve_(steam_engine) wikiPageWikiLink File:Expansion_valve_(Steam_and_the_Steam_Engine,_Evers).jpg.
Expansion_valve_(steam_engine) wikiPageWikiLink File:Indicator_diagram_steam_admission.svg.
Expansion_valve_(steam_engine) wikiPageWikiLink File:Working_of_Expansion_Valve_(Steam_and_the_Steam_Engine,_Evers).jpg.
Expansion_valve_(steam_engine) wikiPageWikiLinkText "Expansion valve (steam engine)".
Expansion_valve_(steam_engine) wikiPageWikiLinkText "Expansion valve (steam engine)#Meyer expansion valve".
Expansion_valve_(steam_engine) wikiPageWikiLinkText "Expansion valve".
Expansion_valve_(steam_engine) wikiPageWikiLinkText "expansion gear".
Expansion_valve_(steam_engine) wikiPageWikiLinkText "expansion valve".
Expansion_valve_(steam_engine) wikiPageWikiLinkText "valve".
Expansion_valve_(steam_engine) wikiPageUsesTemplate Template:Commons_category.
Expansion_valve_(steam_engine) wikiPageUsesTemplate Template:Efn-lr.
Expansion_valve_(steam_engine) wikiPageUsesTemplate Template:Notelist-lr.
Expansion_valve_(steam_engine) wikiPageUsesTemplate Template:Reflist.
Expansion_valve_(steam_engine) wikiPageUsesTemplate Template:Steam_engine_configurations.
Expansion_valve_(steam_engine) subject Category:Engine_valves.
Expansion_valve_(steam_engine) subject Category:Steam_engine_technology.
Expansion_valve_(steam_engine) hypernym Device.
Expansion_valve_(steam_engine) type Device.
Expansion_valve_(steam_engine) type Redirect.
Expansion_valve_(steam_engine) comment "An expansion valve is a device in steam engine valve gear that improves engine efficiency. It operates by closing off the supply of steam early, before the piston has travelled through its full stroke. This cut-off allows the steam to then expand within the cylinder. This expanding steam is still sufficient to drive the piston, even though its pressure decreases as it expands.".
Expansion_valve_(steam_engine) label "Expansion valve (steam engine)".
Expansion_valve_(steam_engine) sameAs Q5420796.
Expansion_valve_(steam_engine) sameAs m.064rbwq.
Expansion_valve_(steam_engine) sameAs Genleşme_vanası.
Expansion_valve_(steam_engine) sameAs Q5420796.
Expansion_valve_(steam_engine) wasDerivedFrom Expansion_valve_(steam_engine)?oldid=671464840.
Expansion_valve_(steam_engine) depiction Cross_compound_engine,_plan_section_(Heat_Engines,_1913).jpg.
Expansion_valve_(steam_engine) isPrimaryTopicOf Expansion_valve_(steam_engine).