초록 ▼

The present invention relates to a thrust reverser system for a turbofan-type turbojet engine having thrust reverser doors with movable deflectors. The deflectors are movably attached to an upstream edge of the thrust reversing doors and are movable between retracted and extended positions. When the

The present invention relates to a thrust reverser system for a turbofan-type turbojet engine having thrust reverser doors with movable deflectors. The deflectors are movably attached to an upstream edge of the thrust reversing doors and are movable between retracted and extended positions. When the thrust reversing door is closed and the turbojet engine operates in its normal thrust mode, the deflectors are retracted thereby enabling the difference between the inner surface of the thrust reversing door and the theoretical aerodynamic flow line to be reduced or eliminated. When the thrust reversing door is in the thrust reversing position, the deflector is extended so as to protrude beyond the inner surface of the door so as to direct the air flow in a more forward direction to increase the thrust reversing capabilities of the system. The deflectors are mounted on the thrust reversing door such that they are automatically extended when the thrust reversing door moves to the thrust reversing position.

대표청구항 ▼

In a turbofan-type turbojet engine having an annular wall defining an exhaust passage substantially coaxial with the longitudinal axis of the engine for air driven by the turbofan in an upstream-to-downstream direction, the annular wall defining at least one generally laterally facing opening, an ou

In a turbofan-type turbojet engine having an annular wall defining an exhaust passage substantially coaxial with the longitudinal axis of the engine for air driven by the turbofan in an upstream-to-downstream direction, the annular wall defining at least one generally laterally facing opening, an outer air flow surface and an inner air flow surface, the improved thrust reversing device comprising: (a) at least one thrust reversing door having an upstream edge, a downstream edge, an outer surface and an inner surface; (b) means for pivotally attaching the thrust reversing door to the annular wall such that it pivots about a first pivot axis; (c) actuating means for moving the thrust reversing door between a first position wherein it covers the at least one laterally facing opening such that the outer surface is substantially flush with the outer air flow surface of the annular wall and air flow through the exhaust passage is unimpeded, and a second position wherein the laterally facing opening is uncovered and the thrust reversing door directs air outwardly through the opening so as to have an upstream acting component; (d) deflector means having a distal edge; and, (e) attaching means for movably attaching the deflector means to the thrust reversing door adjacent to the upstream edge such that it is movable between a retracted position wherein the distal edge does not extend beyond the inner surface of the thrust reversing door when the door is in the first position thereby allowing the inner surface of the thrust reversing door to be generally flush with the inner air flow surface of the annular duct, and an extended position wherein the distal edge extends substantially beyond the inner surface when the door is in the second position so as to direct the air emanating from the lateral opening in a generally upstream direction.