Pneumatically controlled hydraulic drive for aircraft or space vehicle - uses pneumatic charges for two piston-cylinder devices triggered alternately

The hydraulic drive is supplied via at least two piston/cylinder devices (1,4) operating in alternation. Each has a piston (2,5) acted on at one side by a pneumatic control press. and feeding the hydraulic fluid to at least one load (9). The pneumatic pressure is provided by individual charges (3a,3...

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Bibliographische Detailangaben
Hauptverfasser:	ECK,GERHARD, KOERNER,LOTHAR, GUENTERT,ALBERT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The hydraulic drive is supplied via at least two piston/cylinder devices (1,4) operating in alternation. Each has a piston (2,5) acted on at one side by a pneumatic control press. and feeding the hydraulic fluid to at least one load (9). The pneumatic pressure is provided by individual charges (3a,3b,3c..6a,6b,6c) lying in front of the piston (2,5) inside or outside of the cylinder. The charges are triggered one after the other in dependence on the minimum or required pressure of the hydraulic system in alternation for the two piston/cylinder devices (1,4). Pref. the two piston/cylinder devices (1,4) are connected in series relative to the hydraulic flow.