AIRCRAFT HYDRAULIC SYSTEM Russian patent published in 1997 - IPC

FIELD: aeronautical engineering; landing gear extension/retraction hydraulic systems. SUBSTANCE: hydraulic system includes electrically-driven constant-capacity pumping station which is connected with hydraulic tank by means of suction line through pipe union and with delivery line. Besides that, system is provided with hydraulic distributor mounted in delivery line and connected with chambers of power cylinders used for retraction/extension of landing gear; it is also connected with manifold which is connected in its turn with hydraulic tank through check valve and with extension chambers of all power extension/retraction cylinders. EFFECT: enhanced efficiency. 1 dwg