Device for reducing pressure pulsations in hydraulic manifolds

The invention relates to a device for reducing pressure pulsations caused in a hydraulic system, especially by a pump. Said device comprises a compensation volume (41) with a displaceable wall or membrane (39) that is located in said volume and that shuts off the volume. On one side, said wall or me...

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Bibliographische Detailangaben
1. Verfasser:	KURR, KLAUS, JUERGEN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOWOF GASES OR LIQUIDS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR DAMPING VIBRATION MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES PISTONS SEALINGS SHOCK-ABSORBERS SPRINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a device for reducing pressure pulsations caused in a hydraulic system, especially by a pump. Said device comprises a compensation volume (41) with a displaceable wall or membrane (39) that is located in said volume and that shuts off the volume. On one side, said wall or membrane is impinged upon with pulsations and on the opposite side with a counter-pressure which corresponds to at least approximately the average pressure of the hydraulic system. The pressure compensation volume (43) that is applied on the opposite side of the wall or membrane (39) is linked with the hydraulic system via a compensation manifold (51), said manifold (51) opening into the hydraulic system downstream of the compensation volume (41) in the direction of propagation of the pulsations.