公开(公告)号：US20220290632A1

公开(公告)日：2022-09-15

申请号：US17632755

申请日：2020-07-31

Applicant: SAFRAN NACELLES

Inventor： Fabien CHARLIAC ,  Benjamin BREBION ,  Thomas MARLAY ,  Antoine CORDIEZ

IPC: F02K1/76

Abstract: A thrust reverser for an aircraft propulsion unit, of the type having a mobile cowl able to move between a closed position that allows the propulsion unit to generate thrust and an open position that allows the propulsion unit to generate a reverse-thrust for slowing the aircraft. The reverser includes braking elements such as a slot and a peg respectively integral with a fixed part of the reverser and with the mobile cowl. These braking elements are configured to cooperate with one another by sliding, with friction, when the mobile cowl effects an overtravel, beyond the open position, so as to generate a braking force that opposes this movement. In one preferred embodiment, the slot for this purpose includes a restriction in section along the direction of travel of the mobile cowl.

公开(公告)号：US20210079871A1

公开(公告)日：2021-03-18

申请号：US16914782

申请日：2020-06-29

Applicant: Safran Nacelles

Inventor： Loïc GRALL ,  Alexis HEAU ,  Benjamin BREBION ,  Sébastien Michel Thierry GUILLEMANT ,  Mélody SERISET ,  Patrick BOILEAU

IPC: F02K1/70

Abstract: A grid-type thrust reverser for a turbojet engine includes a moving O-shaped thrust reverser body that is generally cylindrical in shape around a longitudinal central axis (A) and includes an inner wall configured to delimit a cold air stream, with an inner structure that surrounds the turbojet engine, the movable thrust reverser body being mounted so as to be able to slide along the longitudinal central axis (A) between a direct jet position in which the outer cowl covers the thrust reverser grids, and a thrust-reversal position in which the outer cowl uncovers the thrust reverser grids. The movable thrust reverser body includes a first half-portion and a second half-portion that are mounted so as to each pivot about a longitudinal pivot axis (B), between a closed position and an open gullwing position for removing the turbojet engine, via the cradle.

公开(公告)号：US20220290633A1

公开(公告)日：2022-09-15

申请号：US17632761

申请日：2020-07-31

Applicant: SAFRAN NACELLES

Inventor： Pierre Charles CARUEL ,  Fabien CHARLIAC ,  Benjamin BREBION ,  Thomas MARLAY ,  Fabien BRAVIN

IPC: F02K1/76 ,  F02K1/70

Abstract: A thrust reverser for an aircraft propulsion unit, this reverser including a fixed structure and a mobile external structure able to move between a closed position and an open position so as to cause the reverser to transition respectively between a direct-jet configuration and a reverse-jet configuration. The reverser includes, on the one hand, one or more actuators configured to move the mobile external structure between the closed position and the open position. The reverser includes, on the other hand, at least one initiator configured to apply to the mobile external structure a force that initiates a closure travel in which the mobile external structure is moved from the open position towards the closed position.

公开(公告)号：US20200317355A1

公开(公告)日：2020-10-08

申请号：US16907346

申请日：2020-06-22

Applicant: Safran Nacelles

Inventor： Loïc GRALL ,  Mélody SERISET ,  Alexis HEAU ,  Benjamin BREBION ,  Olivier KERBLER

IPC: B64D29/00 ,  F02K1/70 ,  F02K1/09

Abstract: A nacelle of an aircraft turbofan engine including an air inlet upstream from the engine, a median section configured to surround a fan of the engine and delimited on the outside by a fan cowl supported by a fan housing to which it is attached at the upstream portion, a downstream section delimiting an annular flow path in which the air is configured to flow and housing thrust reversal devices, the thrust reversal approach including a movable cowl associated with at least one actuator for moving the movable cowl between a direct jet position, in which it provides the aerodynamic continuity of the nacelle and an indirect jet position in which it opens up a passage in the nacelle by uncovering cascade vanes arranged around this flow path that receive the cold air flow to return it towards the outside and forwards, the cascade vanes being attached to the movable cowl.