초록 ▼

A variable area jet nozzle construction capable of blocking flow in favor of another nozzle in a vertical or short take-off aircraft utilizes a balanced two-dimensional flap that is pivotable about rollers and movable, along curved tracks cooperable with the rollers, to assume a plurality of nozzle

A variable area jet nozzle construction capable of blocking flow in favor of another nozzle in a vertical or short take-off aircraft utilizes a balanced two-dimensional flap that is pivotable about rollers and movable, along curved tracks cooperable with the rollers, to assume a plurality of nozzle area varying or blocking positions under the influence of linear hydraulic actuators.

대표청구항 ▼

A variable, jet nozzle throttling apparatus in combination with the airframe of a V/STOL jet aircraft including a duct that is defined in part by parallel first and second walls and by converging third and fourth walls to define a jet nozzle zone, said apparatus comprising: a blocker-flap comprising

A variable, jet nozzle throttling apparatus in combination with the airframe of a V/STOL jet aircraft including a duct that is defined in part by parallel first and second walls and by converging third and fourth walls to define a jet nozzle zone, said apparatus comprising: a blocker-flap comprising a generally triangular truss-work having a base side and an apex opposite said base side, wheel means mounted at said apex for rollingly and pivotally supporting said blocker flap, and a flap plate mounted on said base side and presenting a substantially two-dimensional blocking surface; curved track means, mounted on said airframe at opposite sides of said duct, for cooperation with said wheels; and linear actuator means, mounted on said airframe adjacent said third wall and coupled to one end of said blocker-flap, for moving said blocker-flap in translation and tilt along said track means between open positions wherein said blocking surface defines a nozzle zone wall and a closed position wherein said blocking surface obturates said duct.