Fluid working machine and method of operating a fluid working machine

A fluid working machine comprises a working chamber of cyclically varying volume, a high pressure manifold, and an actuated high pressure valve (1) for regulating the flow of fluid between the working chamber and the high pressure manifold. The actuated high pressure valve (1) comprises a moveable v...

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Bibliographische Detailangaben
Hauptverfasser:	Laird, Stephen Michael, Fielding, Michael Richard, Caldwell, Niall James, Dumnov, Daniil Sergeevich
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A fluid working machine comprises a working chamber of cyclically varying volume, a high pressure manifold, and an actuated high pressure valve (1) for regulating the flow of fluid between the working chamber and the high pressure manifold. The actuated high pressure valve (1) comprises a moveable valve member (10), operable between a closed position and at least one open position. A controllable opening mechanism (6,46) provides an active urging force to urge the moveable valve member (10) from the said closed position towards at least one said open position, the volume of the working chamber varying between a maximum volume and a minimum volume. The controllable opening mechanism (6,46) provides the active urging force more than once while the volume of the working chamber volume is intermediate the maximum of chamber volume and the minimum of chamber volume.