Actuating system for a cascade type thrust reverser
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United States of America Patent
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-
Dec 14, 1999
Grant Date -
N/A
app pub date -
Jan 7, 1998
filing date -
Jan 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thrust reverser is disclosed for a turbojet engine having a cowling with a longitudinal axis, the cowling having an inner surface forming an outer boundary of a gas flow duct and a reverse thrust opening. The thrust reverser has a panel movable with respect to the cowling, the panel being movable between a forward thrust position in which it covers the reverse thrust opening in the cowling and reverse thrust position wherein the opening is uncovered. Thrust reversing cascades are located in the reverse thrust opening of the cowling to direct gases passing through the opening in a reverse thrust direction. A cowling frame is connected through the cowling by a flange engaging a groove on the cowling structure, the flange and the groove having mutually engaging surfaces. A linear actuator is connected to the thrust reverser panel at a first connection and to the cowling frame at a second connection such that the linear force axis when the actuator moves the thrust reverser panel between the forward and reverse thrust positions passes through the first and second connections, as well as the engagement surfaces between the flange and the groove.
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