HYDRAULICALLY-ACTUATED SYSTEM HAVING A VARIABLE DELIVERY FIXED DISPLACEMENT PUMP

A hydraulically-actuated system includes a fixed displacement pump with a plurality of parallel disposed pistons that reciprocate in a pump housing that defines a high pressure area and a low pressure area. A control valve is attached to the pump housing and moveable between a first position in whic...

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Bibliographische Detailangaben
Hauptverfasser:	ANDERSON, MICHAEL, D, FRIEDE, MATTHEW, D, GIBSON, DENNIS, H
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A hydraulically-actuated system includes a fixed displacement pump with a plurality of parallel disposed pistons that reciprocate in a pump housing that defines a high pressure area and a low pressure area. A control valve is attached to the pump housing and moveable between a first position in which the pistons displace fluid in a first proportion between the high pressure area and the low pressure area, and a second position in which the pistons displace fluid in a second proportion between the high pressure area and the low pressure area. A high pressure common rail is connected to the high pressure area of the pump. At least one hydraulically-actuated device is connected to the high pressure rail. A source of low pressure fluid is connected to the low pressure area of the pump. An electronic control module is in communication with and capable of controlling the position of the control valve.