Device for adjusting the pressure in a hydraulic jack
AssigneeGoodrich Actuation Systems Limited
InventorAlain Roy
Life of this patent
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Abstract
The invention relates to a device for adjusting the pressure in the chambers of a hydraulic jack comprising a hollow valve seat extending substantially longitudinally between two end sections, the body of the valve seat being connected to a source of pressurised fluid, each of the end sections of the valve seat being linked to a chamber of the hydraulic jack and adapted to receive a valve allowing to control the refilling with hydraulic fluid of said chamber of the jack, characterised in that a valve return spring is placed inside said valve seat and in that each of the ends of said valve return spring is attached to one of said valves.
Claims9
Device for adjusting the pressure in the chambers of a hydraulic jack comprising a hollow valve seat (5) extending substantially longitudinally between two end sections, the body of the valve seat (5) being connected to a source of pressurised fluid (18), each of the end sections of the valve seat (5) being linked to a chamber of the hydraulic jack and adapted to receive a valve (7a, 7b) allowing to control the refilling with hydraulic fluid of said chamber of the jack, characterised in that a valve return spring (6) is placed inside said valve seat (5) and in that each of the ends of said valve return spring (6) is attached to one of said valves (7a, 7b).
Dependencies are inferred from the claim text.