US 11,718,409 B2
Nacelle with independent opening thrust reverser section
Radhakrishna Chilukuri, San Diego, CA (US); Jihad Ramlaoui, Chula Vista, CA (US); and Timothy Gormley, Bonita, CA (US)
Assigned to Rohr, Inc., Chula Vista, CA (US)
Filed by Rohr, Inc., Chula Vista, CA (US)
Filed on Apr. 7, 2021, as Appl. No. 17/224,787.
Claims priority of provisional application 63/006,421, filed on Apr. 7, 2020.
Prior Publication US 2021/0310440 A1, Oct. 7, 2021
Int. Cl. B64D 29/06 (2006.01); B64D 29/08 (2006.01); F02K 1/72 (2006.01)
CPC B64D 29/08 (2013.01) [B64D 29/06 (2013.01); F02K 1/72 (2013.01); F05D 2220/323 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An assembly for an aircraft propulsion system, comprising:
a fixed structure;
a fan case comprising a first groove; and
a nacelle covering the fan case, the nacelle including a first fan cowl and a first thrust reverser section adjacent the first fan cowl;
the first fan cowl movably attached to and arranged on a first side of the fixed structure, the first fan cowl configured to move between a first fan cowl closed position and a first fan cowl second position, and the first fan cowl spaced axially forward from the first groove;
the first thrust reverser section movably attached to and arranged on the first side of the fixed structure, the first thrust reverser section configured to move between a first thrust reverser section closed position and a first thrust reverser section open position when the first fan cowl is in the first fan cowl closed position, and the first thrust reverser section comprising a first protrusion that projects radially into the first groove when the first thrust reverser section is in the first thrust reverser section closed position;
the nacelle further including a second fan cowl and a second thrust reverser section;
the second fan cowl movably attached to and arranged on a second side of the fixed structure, and the second fan cowl configured to move between a second fan cowl closed position and a second fan cowl open position;
the second thrust reverser section movably attached to and arranged on the second side of the fixed structure, and the second thrust reverser section configured to move between a second thrust reverser section closed position and a second thrust reverser section open position when the second fan cowl is in the second fan cowl open position;
the first fan cowl extending circumferentially from a first fan cowl first edge adjacent the fixed structure to a first fan cowl second edge, and the first fan cowl having a first axial length at the first fan cowl second edge; and
the second fan cowl extending circumferentially from a second fan cowl first edge adjacent the fixed structure to a second fan cowl second edge adjacent the first fan cowl second edge, and the second fan cowl having a second axial length at the second fan cowl second edge;
wherein the first axial length is less than the second axial length.