TURBINE ARRANGEMENT

A turbine bypass valve comprising a valve member 241, operable to open or close an aperture 23 between the upstream and downstream sides of the turbine, and moved by a first actuator arm 25. A second actuator including a piston 31 connected to the gas upstream of the valve is forced by the pressure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MCEWEN, James Alexander, MORTON, Thomas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A turbine bypass valve comprising a valve member 241, operable to open or close an aperture 23 between the upstream and downstream sides of the turbine, and moved by a first actuator arm 25. A second actuator including a piston 31 connected to the gas upstream of the valve is forced by the pressure of the gas against the valve member, thereby urging the valve towards the closed position. The valve member is thereby balanced and may be closed with less force by the first actuator arm 25. The piston may be larger, smaller or the same size as the aperture such that the valve member is urged towards the closed position, the open position or there is no net force on the valve member. The piston may have a curved lower portion 312 abutting the valve and may be a sphere. The turbine may be a turbocharger for an internal combustion engine.