US 12,085,042 B2
Position sensor for aircraft nacelle thrust reverser door
Alexis Loncle, Moissy Cramayel (FR); and Laurent Georges Valleroy, Moissy Cramayel (FR)
Assigned to Safran Nacelles, Gonfreville l'Orcher (FR)
Filed by Safran Nacelles, Gonfreville l'Orcher (FR)
Filed on Feb. 7, 2022, as Appl. No. 17/666,244.
Application 17/666,244 is a continuation of application No. PCT/FR2020/051435, filed on Aug. 4, 2020.
Claims priority of application No. 19/09044 (FR), filed on Aug. 7, 2019.
Prior Publication US 2022/0333550 A1, Oct. 20, 2022
Int. Cl. F02K 1/76 (2006.01); F02K 1/62 (2006.01); F02K 1/70 (2006.01)
CPC F02K 1/766 (2013.01) [F02K 1/62 (2013.01); F02K 1/70 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A nacelle for an aircraft turbojet engine, the nacelle having a longitudinal axis and comprising a fixed structure and a thrust reverser, the thrust reverser comprising:
a fixed structure; and
at least one door movable in rotation about an axis transverse to the longitudinal axis of the nacelle, between a closed position in which the at least one door provides aerodynamic continuity with the fixed structure of the nacelle during operation of the nacelle in direct jet and an open position in which the at least one door opens a passage intended for circulation of a secondary air flow diverted during operation of the nacelle in reverse jet,
wherein the nacelle comprises at least one position sensor, the position sensor comprising:
a target intended to be detected and including a flexible blade;
a detector having a detection range, wherein the detector includes a detection head configured to detect the target when the flexible blade of the target enters the detection range; and
a target guide including a base and a pair of branches extending from the base and defining a groove between the pair of branches, the detection head being fixed to the base and extending through the base in a first direction, the flexible blade being movable and insertable into the groove in a second direction perpendicular to the first direction,
wherein the groove has rounded leading edges configured to guide introduction of the flexible blade, the target being positioned on the door whose position is to be detected, the detector and the target guide being positioned on the fixed structure of the thrust reverser.