VERTICAL TAKEOFF PROPULSOR Russian patent published in 2000 - IPC

FIELD: heavier-than air flying vehicles. SUBSTANCE: propulsor has cylindrical housing inside which reduction gear is arranged; reduction gear is mounted on brackets in center portion of housing. Driven shaft of reduction gear is mounted vertically and is secured in bearings. Upper and lower disks secured on driven shaft have clearance with housing. Each disk has blind passages in lower portion of round or square section; they are located over concentric circles in even number; longitudinal axis of each of them has direction of rotation of disk at angle relative to plane passing through center of rotation; lateral opposite surfaces of each passage are equal in longitudinal and transversal planes; plane of bottom of each passage is parallel to upper surface of disk. EFFECT: improved operational properties of propulsor. 10 dwg