Deflection Limiter Cascade Assembly Thrust Reverser

The deflection limiter is pre-configured in the cascade assembly before deployment, with the catch positioned to engage the arm at a predetermined location. This preliminary arrangement ensures that as soon as the cascade translates from stowed to deployed position, the deflection limiter is already in place to prevent excessive axial and radial deflections, thereby maintaining structural integrity while enabling reverse thrust generation.

The deflection limiter acts as an intermediary component between the cascade array and the fixed structure. The arm with catch mechanism serves as a mediator that transfers and controls the translation motion, allowing the cascade to move from stowed to deployed position while the deflection limiter prevents harmful deflections, thus resolving the contradiction between movement capability and structural stability.

The deflection limiter is segmented into distinct functional components: the arm, the catch with engaging surface, and the positioning features. This segmentation allows each component to be optimized independently for its specific function while maintaining overall simplicity. The load path is clearly defined through these segmented components, improving load transfer capability without requiring a completely complex redesign of the entire cascade assembly.

The deflection limiter is designed to be self-contained and self-activating. The catch automatically engages with the arm during the translation process without requiring external control systems or additional actuators. The positioning features on the arm and catch work together autonomously to establish the deflection limit, thereby improving load transfer capability while minimizing the increase in device complexity.