AERODROME HYDRAULIC UNIT FOR SERVICING FLYING VEHICLES Russian patent published in 1996 - IPC

FIELD: aeronautical engineering; hydraulic units for ground servicing of flying vehicles. SUBSTANCE: aerodrome hydraulic unit has variable-capacity pumps 1 and 2 with reduction gears 5 and 6 mounted on their control shafts 3 and 4. Reduction gears 5 and 6 are kinematically linked with actuating mechanisms 7 and 8 connected in their turn with pointer indicators 9 and 10, hand pump 11 and tank 12. Hydraulic unit is provided with safety valve 13, one three- position four-line hydraulic distributor 14 and at least two two-position two- line hydraulic distributors 15 and 16. Actuating mechanisms are made in form of two-rod cylinders 18 and 19. EFFECT: simplified construction and extended range of functional capabilities. 2 cl, 3 dwg